Graphics & Digital Media Quiz

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| By Garciagisselle45
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Quizzes Created: 2 | Total Attempts: 395
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Graphics & Digital Media Quiz - Quiz


Graphics and digital media have together completely changed the world of communication today. Using technology, this sphere of computer science has evolved and keeps doing so as technology changes. Are you in one way or the other related to graphics and digital media? If so, how good are you? Take up the quiz below and find out.


Questions and Answers
  • 1. 

    3-D graphics are based on vectors as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form?

    • A.

      A bitmap graphic

    • B.

      A zipped file

    • C.

      A wireframe

    • D.

      All of the above

    Correct Answer
    C. A wireframe
    Explanation
    3-D graphics are based on vectors, which are used to describe the coordinates for lines and shapes in a three-dimensional space. These vectors form a wireframe, which is a skeletal representation of the object or scene being depicted. A wireframe consists of lines and curves that connect the different points in the 3-D space, creating the basic structure of the object or scene. Therefore, the correct answer is a wireframe.

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  • 2. 

    In the context of bitmap graphics editing, what techique employs algorithims that pull pixels from one area of a image and then apply them to another area?

    • A.

      Inpainting

    • B.

      Cloning

    • C.

      Noise reduction

    • D.

      Image enhancement

    Correct Answer
    B. Cloning
    Explanation
    Cloning is the technique in bitmap graphics editing that employs algorithms to pull pixels from one area of an image and apply them to another area. This technique allows for the duplication of specific elements or patterns within an image, resulting in a seamless and realistic replication. It is commonly used for removing unwanted objects or blemishes, as well as for creating symmetrical compositions or filling in missing parts of an image.

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  • 3. 

    ---- data consists of numbers that can be used in arithmetic operations

    • A.

      Text

    • B.

      Digital

    • C.

      Numeric

    • D.

      Binary

    Correct Answer
    C. Numeric
    Explanation
    The given answer, "numeric," is the most suitable choice because the statement mentions that the data consists of numbers that can be used in arithmetic operations. "Numeric" refers to data that is numerical in nature and can be used for mathematical calculations. This term encompasses a wide range of numbers, including integers, decimals, and fractions, making it the appropriate option in this context.

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  • 4. 

    Which of the following is not a factor in the quality of digital video

    • A.

      Frame rate and resolution

    • B.

      Color and bit depth

    • C.

      Compression technique

    • D.

      Memory technology in your camera

    Correct Answer
    D. Memory technology in your camera
    Explanation
    The quality of digital video is determined by various factors such as frame rate, resolution, color depth, and compression technique. However, the memory technology in the camera is not directly related to the quality of the video. The memory technology affects the storage capacity and transfer speed of the camera, but it does not impact the visual quality of the video itself.

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  • 5. 

    Unicode uses -----bits and provides codes fro 65,000 charecters

    • A.

      Seven

    • B.

      Eight

    • C.

      Ten

    • D.

      Sixteen

    Correct Answer
    D. Sixteen
    Explanation
    Unicode uses sixteen bits and provides codes for 65,000 characters.

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  • 6. 

    Which of the following is not a format that is used for digital audio

    • A.

      MP3

    • B.

      DOC

    • C.

      WAV

    • D.

      Ogg

    Correct Answer
    B. DOC
    Explanation
    The correct answer is DOC because DOC is a file format used for documents, specifically for text-based documents created in Microsoft Word. It is not a format used for digital audio. MP3, WAV, and Ogg are all formats commonly used for digital audio storage and playback.

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  • 7. 

    A group of 8 bits is called a

    • A.

      Byte

    • B.

      Megabit

    • C.

      Binary

    • D.

      Numeric data

    Correct Answer
    A. Byte
    Explanation
    A group of 8 bits is called a byte. In computer systems, a byte is the basic unit of storage and represents a single character of data. It is commonly used to measure the size or capacity of memory and storage devices. Each byte consists of 8 binary digits (bits), which can represent a combination of 256 different values ranging from 0 to 255. Bytes are widely used in computer programming and data processing to store and manipulate information.

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  • 8. 

    Digital video is core technology for which of the following 

    • A.

      Digital television

    • B.

      Videoconferencing sytems

    • C.

      Video messaging

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Digital video is considered as the core technology for all of the mentioned options: digital television, videoconferencing systems, and video messaging. Digital video technology is used in digital television to transmit and display high-quality video content. It is also utilized in videoconferencing systems to enable real-time video communication between participants in different locations. Additionally, video messaging relies on digital video technology to record, send, and receive video messages. Therefore, all of the options mentioned benefit from the core technology of digital video.

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  • 9. 

    The number of colors available in a graphic is referred to as color

    • A.

      Depth

    • B.

      Range

    • C.

      RGB

    • D.

      PNG

    Correct Answer
    A. Depth
    Explanation
    The number of colors available in a graphic is referred to as "color depth." Color depth determines the range of colors that can be displayed in an image. It is measured in bits and determines the number of unique colors that can be represented. The higher the color depth, the more colors can be displayed, resulting in a more vibrant and detailed image.

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  • 10. 

    Compressed files usually have---at the end of the file name

    • A.

      .exe

    • B.

      .zip

    • C.

      .txt

    • D.

      None of the above

    Correct Answer
    B. .zip
    Explanation
    Compressed files usually have ".zip" at the end of the file name because ".zip" is a common file extension used for compressed files. This extension indicates that the file has been compressed using the ZIP file format, which is widely supported and can be opened by various software programs. The ".zip" extension helps users identify and differentiate compressed files from other file types.

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  • 11. 

    The ---number system allows digital devices to represent virtuallyany number by using 0s  and 1s

    • A.

      Digital

    • B.

      Text

    • C.

      Numeric

    • D.

      Binary

    Correct Answer
    D. Binary
    Explanation
    Binary is the correct answer because the question states that the number system allows digital devices to represent virtually any number using 0s and 1s. Binary is a number system that uses only two digits, 0 and 1, to represent numbers. Digital devices, such as computers, use binary code to process and store information. Each digit in a binary number represents a power of 2, allowing for efficient representation of numbers in digital systems. Therefore, binary is the number system that allows digital devices to represent numbers using 0s and 1s.

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  • 12. 

    Which of the following is the tecnique for adding light and shadows to a 3-D image

    • A.

      Rendering

    • B.

      Ray tracing

    • C.

      Wireframe

    • D.

      Rasterize

    Correct Answer
    B. Ray tracing
    Explanation
    Ray tracing is the technique used to add light and shadows to a 3-D image. It works by simulating the path of light rays as they interact with objects in the scene, calculating how they bounce off surfaces and are affected by materials and light sources. This process allows for the creation of realistic lighting and shadow effects in the final rendered image.

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  • 13. 

    Which of the following is not a type of bitmap format

    • A.

      TIFF

    • B.

      RAW

    • C.

      PNG

    • D.

      ZIP

    Correct Answer
    D. ZIP
    Explanation
    ZIP is not a type of bitmap format. Bitmap formats are image file formats that store graphical data in the form of a grid of pixels, such as TIFF, RAW, and PNG. ZIP, on the other hand, is a file compression format used to compress and archive multiple files into a single file. It is not specifically designed to store bitmap images.

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  • 14. 

    Which of gthe following options are well suited for using vector graphics

    • A.

      Line art

    • B.

      Logos

    • C.

      Diagrams

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Vector graphics are well suited for all of the options mentioned (line art, logos, and diagrams) because they are created using mathematical equations and geometric shapes. Unlike raster images, vector graphics can be scaled up or down without losing quality, making them ideal for creating sharp and crisp visuals. Line art, logos, and diagrams often require precise and clean lines, which can be easily achieved with vector graphics. Additionally, vector graphics have smaller file sizes compared to raster images, making them more suitable for web and digital applications.

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  • 15. 

    The numbr of frames per second are displayed per second are measured in

    • A.

      Compression

    • B.

      Fps

    • C.

      Color depth

    • D.

      Bps

    Correct Answer
    B. Fps
    Explanation
    The correct answer is "fps" which stands for frames per second. Frames per second is a unit used to measure the number of frames displayed or processed in a video or animation per second. It indicates the smoothness and quality of the motion in the visual content. Higher fps values result in smoother and more fluid motion, while lower fps values may lead to choppy or less realistic visuals.

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  • 16. 

    What is another term for the vector graphics software

    • A.

      Drawing software

    • B.

      Photo editing software

    • C.

      Digital compositing

    • D.

      All of the above

    Correct Answer
    A. Drawing software
    Explanation
    The correct answer is "drawing software" because vector graphics software is primarily used for creating drawings and illustrations. It allows users to create and manipulate shapes, lines, and curves using mathematical equations, resulting in high-quality and scalable images. While photo editing software and digital compositing can also involve manipulating images, they are not specific to vector graphics and may have different functionalities. Therefore, "drawing software" is the most appropriate term to describe vector graphics software.

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  • 17. 

    ASCII requires ---- bits for each charecter

    • A.

      2

    • B.

      6

    • C.

      7

    • D.

      10

    Correct Answer
    C. 7
    Explanation
    ASCII requires 7 bits for each character. ASCII (American Standard Code for Information Interchange) is a character encoding standard that represents text in computers and other devices. It uses 7 bits to encode each character, allowing for a total of 128 different characters to be represented. This includes uppercase and lowercase letters, numbers, punctuation marks, and control characters. Therefore, the correct answer is 7.

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  • 18. 

    Which of the following file extensions in not a vector graphic

    • A.

      .svg

    • B.

      .eps

    • C.

      .tif

    • D.

      .ai

    Correct Answer
    C. .tif
    Explanation
    The file extension ".tif" is not a vector graphic format. TIFF (Tagged Image File Format) is a raster image format, which means it is made up of a grid of pixels. Unlike vector graphics, raster images cannot be scaled without losing quality as they do not contain mathematical equations to define the shapes and lines. Vector graphics, on the other hand, are made up of mathematical equations that allow for scalability without loss of quality. Therefore, ".tif" is not a vector graphic file extension.

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  • 19. 

    Most graphics software uses a process called pixel----to create new pixels by averaging the colors of nearby pixels

    • A.

      Polarization

    • B.

      Interpolation

    • C.

      Compression

    • D.

      Resolution

    Correct Answer
    B. Interpolation
    Explanation
    Interpolation is the correct answer because it is a process used in graphics software to create new pixels by averaging the colors of nearby pixels. This technique helps to smooth out images and fill in missing details, making the overall image appear more cohesive and realistic. By calculating the average color values from neighboring pixels, interpolation helps to create a seamless transition between pixels, resulting in a smoother and more visually appealing image.

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  • 20. 

    A----is the software that compresses a video stream when a video when a video is stored, and decompresses the file when the video is played

    • A.

      Compression

    • B.

      Codec

    • C.

      Bitmap

    • D.

      Resolution

    Correct Answer
    B. Codec
    Explanation
    A codec is the software that compresses a video stream when it is stored and decompresses the file when the video is played. Codecs are essential for reducing the file size of videos without sacrificing quality, allowing for efficient storage and transmission of video files. They use various algorithms to compress and decompress the video data, ensuring that the video can be played smoothly and accurately.

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  • 21. 

    ----enables people to control software with spoken commands, as well as dictate text into a word processing document

    • A.

      MIDI

    • B.

      Speech synthesis

    • C.

      Speech recognition

    • D.

      Phonemes

    Correct Answer
    C. Speech recognition
    Explanation
    Speech recognition enables people to control software with spoken commands, as well as dictate text into a word processing document. This technology allows the computer to understand and interpret spoken words, converting them into text or executing specific commands. It eliminates the need for manual input through keyboards or other input devices, providing a more convenient and accessible way to interact with software. Speech recognition has various applications, such as voice-controlled virtual assistants, transcription services, and accessibility tools for individuals with disabilities.

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  • 22. 

    Todays color display devices represent color using the ---- color model

    • A.

      RGB

    • B.

      PNG

    • C.

      BMP

    • D.

      None of the above

    Correct Answer
    A. RGB
    Explanation
    Color display devices represent color using the RGB (Red, Green, Blue) color model. In this model, different intensities of red, green, and blue light are combined to create a wide range of colors. By varying the intensity of each primary color, millions of different shades and hues can be achieved, allowing for the accurate representation of color on screens such as televisions, computer monitors, and smartphones. The RGB color model is widely used in digital imaging and is the standard for most color display devices.

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  • 23. 

    Most music for portable media players is stored in ----audio file formats

    • A.

      Uncompressed

    • B.

      Compressed

    • C.

      Lossless

    • D.

      Zipped

    Correct Answer
    B. Compressed
    Explanation
    The correct answer is "compressed" because most music for portable media players is stored in compressed audio file formats. Compressed audio files use various algorithms to reduce the file size while maintaining acceptable audio quality. This allows users to store more music on their portable devices without sacrificing too much storage space.

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  • 24. 

    Which of the following tools would be found in 3d grphics software

    • A.

      Rendering tools

    • B.

      Ray tracing tools

    • C.

      Surface texture tools

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the above tools would be found in 3D graphics software. Rendering tools are used to generate the final image by simulating the interaction of light with objects in the scene. Ray tracing tools are a specific type of rendering technique that calculates the path of light rays to create realistic lighting and reflections. Surface texture tools allow users to apply and manipulate textures on the surfaces of 3D objects, adding detail and realism to the scene. Therefore, all three tools are commonly found in 3D graphics software.

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  • 25. 

    Todays widescreen devices such as laptops and smartphones are designed for the 16:9 

    • A.

      Resolution

    • B.

      Aspect ratio

    • C.

      Frame rate

    • D.

      All of the above

    Correct Answer
    B. Aspect ratio
    Explanation
    The correct answer is "aspect ratio." Todays widescreen devices such as laptops and smartphones are designed to have a 16:9 aspect ratio. This means that the width of the screen is 16 units and the height is 9 units, resulting in a rectangular shape. The aspect ratio determines the shape of the screen and the proportions of the image displayed on it.

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  • 26. 

    ----is music speechand other sounds represented in binary format for use in digital devices

    • A.

      MIDI

    • B.

      Speech recognition

    • C.

      Speech synthesis

    • D.

      Digital audio

    Correct Answer
    D. Digital audio
    Explanation
    Digital audio refers to the representation of music, speech, and other sounds in binary format for use in digital devices. It involves converting analog sound waves into digital data, which can be stored, manipulated, and reproduced by digital systems. MIDI, speech recognition, and speech synthesis are all related to sound processing, but they do not specifically involve the conversion of sound into binary format. Therefore, the correct answer is digital audio.

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  • 27. 

    Transmission speeds are expressed in ----- whereas storage space is expressed in -----

    • A.

      Bits, bytes

    • B.

      Bytes, bits

    • C.

      Binary, numeric

    • D.

      None of the above

    Correct Answer
    A. Bits, bytes
    Explanation
    Transmission speeds are expressed in bits because they represent the rate at which data is transmitted over a network or communication channel. On the other hand, storage space is expressed in bytes because it measures the amount of data that can be stored on a storage device or memory. Bytes are made up of multiple bits, so it is the appropriate unit for measuring storage capacity. Therefore, the correct answer is bits, bytes.

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  • 28. 

    ----is the number of bits that are processed during a specific unit of time, usually during one second. 

    • A.

      Bit rate

    • B.

      Bit depth

    • C.

      Color depth

    • D.

      None of the above

    Correct Answer
    A. Bit rate
    Explanation
    Bit rate refers to the number of bits that are processed or transmitted in a specific unit of time, typically within one second. It is a measure of the speed or rate at which data is transferred. Bit rate is commonly used to describe the bandwidth or capacity of a network or communication channel, indicating how much data can be transmitted per unit of time. Therefore, the given correct answer is bit rate.

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  • 29. 

    Which of the following is not a typeof digital video container file

    • A.

      MP4

    • B.

      AVI

    • C.

      VOB

    • D.

      PNG

    Correct Answer
    D. PNG
    Explanation
    PNG is not a type of digital video container file. It is a file format for storing static images with lossless compression. MP4, AVI, and VOB are all examples of digital video container file formats commonly used for storing video and audio data.

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  • 30. 

    Sampling---refers to the number of times per second that a sound is measured during the recording process

    • A.

      Rate

    • B.

      Compression

    • C.

      Depth

    • D.

      Sound

    Correct Answer
    A. Rate
    Explanation
    The term "sampling rate" refers to the number of times per second that a sound is measured during the recording process. It determines the level of detail and accuracy in capturing the sound. A higher sampling rate means more samples are taken per second, resulting in a higher quality and more accurate representation of the original sound. Therefore, the correct answer is "rate" because it directly relates to the concept of sampling and its impact on the recording process.

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  • 31. 

    The process of converting info such as text numbers photos or music into digital data that can be manipulated by electroninc devices is called

    • A.

      Binary

    • B.

      Digitization

    • C.

      Representation

    • D.

      None of the above

    Correct Answer
    B. Digitization
    Explanation
    Digitization refers to the process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices. This involves converting analog signals into digital form, typically represented by binary digits (bits). It allows for easier storage, transmission, and manipulation of data using electronic devices.

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  • 32. 

    Digital data can be ---- that have been converted into discrete digits such as 0s and 1s

    • A.

      Text

    • B.

      Numbers

    • C.

      Graphics, sound, and video

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Digital data refers to any type of information that is represented using discrete digits, typically in the form of 0s and 1s. This means that any form of data can be converted into digital format, including text, numbers, graphics, sound, and video. Therefore, the correct answer is "all of the above" as all of these forms can be represented using digital data.

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  • 33. 

    What is the term used to describe altering the pixel colors where the edges of the objects and the background meet so that the object appears to merge with the background

    • A.

      Alpha blending

    • B.

      Clipping path

    • C.

      Cloning

    • D.

      Inpainting

    Correct Answer
    A. Alpha blending
    Explanation
    Alpha blending is the term used to describe altering the pixel colors where the edges of the objects and the background meet so that the object appears to merge with the background. This technique involves combining the transparency of the object with the background color to create a smooth transition between the two. It is commonly used in computer graphics and image editing to achieve seamless integration of objects into different backgrounds.

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  • 34. 

    Digital audio is stored in a varitety of file formats including

    • A.

      WMA

    • B.

      WAV

    • C.

      MP3

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Digital audio can be stored in different file formats such as WMA, WAV, and MP3. These formats are commonly used for storing and playing audio files. WMA (Windows Media Audio) is a compressed audio format developed by Microsoft, WAV (Waveform Audio File Format) is an uncompressed audio format commonly used for high-quality audio, and MP3 (MPEG-1 Audio Layer 3) is a popular compressed audio format that allows for high-quality audio with smaller file sizes. Therefore, the correct answer is "all of the above" as all three formats are used for storing digital audio.

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  • 35. 

    An -----contains a collection of instructions for actions that the circruitry in a microprocessor can preform

    • A.

      ALU

    • B.

      ARM

    • C.

      Microprocessor

    • D.

      Instruction set

    Correct Answer
    D. Instruction set
    Explanation
    An instruction set is a collection of instructions that provide a set of actions that the circuitry in a microprocessor can perform. It is a set of commands that the microprocessor understands and can execute. These instructions define the operations that the microprocessor can carry out, such as arithmetic, logical, and data transfer operations. The instruction set serves as a guide for the microprocessor, allowing it to execute various tasks and perform calculations based on the given instructions.

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  • 36. 

    The primary purpose of -----software is to help the computer system monitor itself in order to function efficiently

    • A.

      System

    • B.

      Application

    • C.

      Input

    • D.

      Memory

    Correct Answer
    A. System
    Explanation
    System software is designed to help the computer system monitor itself and ensure efficient functioning. It includes operating systems, device drivers, and utility programs that manage and control the hardware and software resources of the computer. System software is responsible for tasks such as memory management, process management, and file system management, which are essential for the overall performance and stability of the computer system.

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  • 37. 

    At its time of construction one of the fastest computers in the world is referred to as an

    • A.

      Mainframe

    • B.

      Supercomputer

    • C.

      Minicomputer

    • D.

      All of the above

    Correct Answer
    B. Supercomputer
    Explanation
    The correct answer is "supercomputer" because it states that at the time of its construction, the computer was one of the fastest in the world. Supercomputers are known for their exceptional processing power and speed, making them ideal for complex calculations and simulations. Mainframes and minicomputers may also be fast, but the term "one of the fastest in the world" specifically suggests a supercomputer. Therefore, the answer "supercomputer" is the most appropriate choice.

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  • 38. 

    An----is software that helps a peripheral device establish communication with its host device

    • A.

      Device hub

    • B.

      Device driver

    • C.

      Hot-plug

    • D.

      Data bus

    Correct Answer
    B. Device driver
    Explanation
    A device driver is software that helps a peripheral device establish communication with its host device. It acts as a translator between the device and the operating system, allowing the device to send and receive data effectively. Without a device driver, the host device would not be able to recognize or interact with the peripheral device properly. Therefore, a device driver plays a crucial role in enabling seamless communication between the two devices.

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  • 39. 

    The electronic components of most digital devices are mounted on a circuit board called a 

    • A.

      System board

    • B.

      Motherboard

    • C.

      Main board

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "all of the above" because the terms "system board," "motherboard," and "main board" are all used interchangeably to refer to the circuit board on which the electronic components of most digital devices are mounted.

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  • 40. 

    ------is a temporary holding area for data and programs

    • A.

      CISC

    • B.

      RAM

    • C.

      ROM

    • D.

      RISC

    Correct Answer
    B. RAM
    Explanation
    RAM (Random Access Memory) is a temporary holding area for data and programs. It is a type of computer memory that allows data to be read from and written to by the processor. Unlike ROM (Read-Only Memory), RAM is volatile, meaning that its contents are lost when the computer is powered off or restarted. RAM is used to store data that is actively being used by the computer, providing fast and temporary storage for programs and data during the execution of tasks. Therefore, RAM is the correct answer as it fits the description of being a temporary holding area for data and programs.

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  • 41. 

    The advantages of LCD screens include display clarity, low radiation emission portability and compactness

    • A.

      Display clarity

    • B.

      Low radiation emission

    • C.

      Portability

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "all of the above" because the advantages mentioned, including display clarity, low radiation emission, and portability, are all benefits of LCD screens. LCD screens are known for their clear and sharp display, which makes them ideal for various applications. They also emit less radiation compared to other types of screens, making them safer for prolonged use. Additionally, LCD screens are lightweight and compact, making them easy to carry and suitable for use in portable devices.

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  • 42. 

    Which of the following is an example of why hard disk drives are so popular

    • A.

      They are not susceptible to a head crash

    • B.

      Relatively low cost for lots of storage

    • C.

      They are volitle

    • D.

      All of the above

    Correct Answer
    B. Relatively low cost for lots of storage
    Explanation
    The correct answer is "relatively low cost for lots of storage." This is an example of why hard disk drives are popular because they provide a large amount of storage space at a relatively affordable price. This makes them a cost-effective solution for individuals and businesses that require significant storage capacity for their data.

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  • 43. 

    ----is data that is entered into a computer.-----is the result produced by a computer

    • A.

      Output, input

    • B.

      Input, output

    • C.

      Information, binary data

    • D.

      None of the above

    Correct Answer
    B. Input, output
    Explanation
    Input refers to the data that is entered into a computer, while output refers to the result produced by a computer. Input can be in various forms such as text, numbers, or commands given by a user, which the computer processes and produces an output. The output can be in the form of text, images, sounds, or any other form of data that is generated by the computer based on the input received. Therefore, the correct answer is "input, output".

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  • 44. 

    Originally called microcomputers, ----are designed to meet the computing needs of individuals 

    • A.

      Mainframes

    • B.

      Personal computers

    • C.

      Microcomputers

    • D.

      Severs

    Correct Answer
    B. Personal computers
    Explanation
    Personal computers, originally called microcomputers, are designed to meet the computing needs of individuals. They are smaller in size and less powerful compared to mainframes. Personal computers are commonly used for tasks such as word processing, internet browsing, and multimedia entertainment. They are designed to be user-friendly and affordable for personal use, making them accessible to a wide range of individuals.

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  • 45. 

    Modern refridgeerators washing machines and other appliances are controlled by integrated circuits called ------that combine sensors with processing circitry

    • A.

      Microcontrollers

    • B.

      Microcomputers

    • C.

      Severs

    • D.

      Microdevices

    Correct Answer
    A. Microcontrollers
    Explanation
    Modern refrigerators, washing machines, and other appliances are controlled by integrated circuits called microcontrollers. These microcontrollers combine sensors with processing circuitry to efficiently control and monitor the various functions of these appliances. They are small, low-power devices that can handle tasks such as temperature regulation, timing, and user interface control. By integrating all these functions into a single chip, microcontrollers provide a cost-effective and space-saving solution for appliance control.

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  • 46. 

    -----is the amount of data a storage device can move per second from the storage medium to RAM

    • A.

      Access time

    • B.

      Data transfer rate

    • C.

      Bitrate

    • D.

      RPM

    Correct Answer
    B. Data transfer rate
    Explanation
    The data transfer rate refers to the amount of data that a storage device can move per second from the storage medium to RAM. It represents the speed at which data can be transferred between these two components. Access time, on the other hand, is the time it takes for the storage device to locate and retrieve data. Bitrate is the number of bits that are transmitted per unit of time, typically used in the context of data transmission over a network. RPM stands for revolutions per minute and refers to the rotational speed of a storage device such as a hard disk drive.

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  • 47. 

    Which of the following is an important consideration when evaluating storage options for digital devices

    • A.

      Durability

    • B.

      Dependability

    • C.

      Capacity

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    When evaluating storage options for digital devices, it is important to consider durability, dependability, and capacity. Durability ensures that the storage medium can withstand physical shocks and environmental factors without getting damaged. Dependability refers to the reliability and consistency of the storage option in terms of data retrieval and performance. Capacity is crucial as it determines the amount of data that can be stored. Therefore, considering all these factors is essential to ensure the suitability and effectiveness of the storage option for digital devices.

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  • 48. 

    What type of computer should you consider purchasing if you want a portable system that is great for consuming content. such as ebooks music and videos but not so great for creating content and multitasking

    • A.

      Tablet

    • B.

      Smartphone

    • C.

      Desktop

    • D.

      Laptop

    Correct Answer
    A. Tablet
    Explanation
    A tablet would be the best choice for someone who wants a portable system that is great for consuming content such as ebooks, music, and videos, but not so great for creating content and multitasking. Tablets are lightweight, compact, and have a touchscreen interface, making them perfect for media consumption. They are not as powerful as laptops or desktops, which makes them less suitable for multitasking or resource-intensive tasks. However, for content consumption purposes, tablets offer a convenient and user-friendly experience.

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  • 49. 

    Which of the following is an example of a computer that is a small lightweight personal computer that is designed like a clam shell

    • A.

      Desktop computer

    • B.

      Laptop computer

    • C.

      Server

    • D.

      Tablet

    Correct Answer
    B. Laptop computer
    Explanation
    A laptop computer is an example of a small lightweight personal computer that is designed like a clamshell. Laptops are portable and convenient, with a hinged screen that can be closed to protect the keyboard and easily carried around. They are designed for personal use and offer the functionality of a desktop computer in a compact form factor.

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  • 50. 

    In a microprocessor the ----fetches instructions

    • A.

      ALU

    • B.

      Registar

    • C.

      CPU

    • D.

      Control unit

    Correct Answer
    D. Control unit
    Explanation
    The control unit in a microprocessor is responsible for fetching instructions. It coordinates and controls the activities of all the other components in the microprocessor, including the ALU, register, and CPU. It retrieves instructions from memory and sends them to the appropriate components for execution.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 15, 2016
    Quiz Created by
    Garciagisselle45
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