Doeacc CCC Computer Fundamental Practice Test By Jobs Institute Of Technology

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    What is the full form of CD ?

    • Clean disk
    • Compact disk
    • Condensed disk
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About This Quiz

Doeacc CCC O Level Windows & O/S Test By JOBS Institute of TechnologyHelpful For All IT Exam, Doeacc Exam and Bank ,P. ODuration- 60 Minutefor More Information Dial +91-9454159594E-Mail- jobschahaniya@gmail. Comhttps://www. Jobsgroup. Co. In. ***No one can Move mountains only work & exiting work can Move the Mountain**

Doeacc CCC Computer Fundamental Practice Test By Jobs Institute Of Technology - Quiz

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  • 2. 

    A tool used to produce manipulated sound.

    • Projector

    • Plotter

    • Voice synthesizer

    Correct Answer
    A. Voice synthesizer
    Explanation
    A voice synthesizer is a tool that is used to produce manipulated sound. It is designed to generate artificial human speech or other vocal sounds by combining different elements such as tones, pitch, and articulation. This tool is commonly used in music production, film, and animation industries to create unique and altered vocal effects. It allows users to modify and manipulate voices in various ways, providing a wide range of creative possibilities for sound design and audio production.

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  • 3. 

    The ______________ is an output device which produces output on paper.

    • Monitor

    • Keyboard

    • Printer

    • Mouse

    Correct Answer
    A. Printer
    Explanation
    A printer is an output device that produces output on paper. It is used to print documents, images, and other types of files. Unlike a monitor, keyboard, or mouse, which are input devices, a printer is specifically designed to create hard copies of digital information. It uses ink or toner to transfer the digital content onto paper, allowing users to have physical copies of their digital files.

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  • 4. 

    Computers can only be used for work.

    • TRUE

    • FALSE

    Correct Answer
    A. FALSE
    Explanation
    This statement is false because computers can be used for a wide range of activities, not just work. They can be used for entertainment purposes such as gaming, watching movies, or listening to music. Additionally, computers are used for communication, research, creative pursuits like graphic design or video editing, and many other non-work related activities. Therefore, the statement that computers can only be used for work is incorrect.

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  • 5. 

    A collection of eight bits is called.    

    • Byte

    • Word

    • Record

    • File

    Correct Answer
    A. Byte
    Explanation
    A collection of eight bits is called a byte. A byte is the basic unit of storage in computer systems and is typically used to represent characters or numbers. It is composed of eight bits, each of which can be either a 0 or a 1. Bytes are commonly used in computer programming and data storage, and they are often used to measure the size or capacity of computer memory or storage devices.

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  • 6. 

    A tool used to produce manipulated sound.

    • Projector

    • Plotter

    • Voice synthesizer

    Correct Answer
    A. Voice synthesizer
    Explanation
    A voice synthesizer is a tool that is used to produce manipulated sound. It is specifically designed to generate artificial voices or imitate human speech. It can manipulate various aspects of sound such as pitch, tone, and timbre to create different vocal effects. This tool is commonly used in music production, film industry, and even in assistive technology for individuals with speech impairments. It allows users to create unique and customized sounds by manipulating and synthesizing different vocal elements.

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  • 7. 

    The brain of any computer system is

    • ALU

    • Memory

    • CPU

    • Control unit

    Correct Answer
    A. CPU
    Explanation
    The CPU, or Central Processing Unit, is considered the brain of a computer system. It is responsible for executing instructions, performing calculations, and coordinating the activities of all the other hardware components. The CPU contains the control unit, which manages the flow of data and instructions within the system, as well as the ALU (Arithmetic Logic Unit), which performs mathematical and logical operations. Memory is a separate component that stores data and instructions for the CPU to access and process. Therefore, the CPU is the correct answer as it encompasses all the other options and is essential for the functioning of a computer system.

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  • 8. 

    Large format printer that can print very large sheets for billboards, maps and posters.

    • Projector

    • Plotter

    • Voice synthesizer

    Correct Answer
    A. Plotter
    Explanation
    A plotter is a large format printer that is specifically designed to print very large sheets for billboards, maps, and posters. Unlike regular printers, which use a moving print head, plotters use a stationary pen or marker that moves across the paper to create precise and detailed prints. This makes them ideal for producing high-quality, large-scale graphics and designs. A projector, on the other hand, is a device that projects images or videos onto a screen or surface. A voice synthesizer is a tool that generates artificial speech or vocal sounds.

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  • 9. 

    The term _______ refers to the computer's physical components, such as the monitor, keyboard, memory chips, and hard drive.

    • Software

    • Hardware

    • Firmware

    • Output

    Correct Answer
    A. Hardware
    Explanation
    The term "hardware" refers to the computer's physical components, such as the monitor, keyboard, memory chips, and hard drive. These are tangible parts that can be seen and touched. Software, on the other hand, refers to the programs and instructions that tell the hardware what to do. Firmware is a type of software that is permanently stored in a computer's hardware, providing low-level control over its functions. Output refers to the information or data that is produced by a computer system.

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  • 10. 

    A ____________ is a pointing device used to move a pointer on the screen and to make selections.

    • Keyboard

    • Processor

    • Mouse

    • Monitor

    Correct Answer
    A. Mouse
    Explanation
    A mouse is a pointing device that allows users to move a pointer on the screen and make selections. It is commonly used to navigate graphical user interfaces and interact with various software applications. The mouse typically has one or more buttons that can be clicked to perform different actions, such as opening files or selecting text. By moving the mouse across a flat surface, the user can control the position of the pointer on the screen, making it an essential tool for computer navigation and input.

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  • 11. 

    Softcopy means output that you can see but cannot touch

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Softcopy refers to digital or electronic documents or files that can be viewed on a screen but cannot be physically touched or felt. This includes documents, images, videos, or any other form of media that is displayed on a computer, tablet, or smartphone. Softcopies are typically stored and accessed electronically, without the need for physical copies or prints. Therefore, the given statement that softcopy means output that you can see but cannot touch is true.

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  • 12. 

    Three kinds of printer

    • Laser Printer,Dot Matrix,Ink Jet Printer

    • Ink-jet Printer, Dot Matrix, Dot Jet Printer

    • Dot Matrix, LaserJet Printer, Jet Plane

    Correct Answer
    A. Laser Printer,Dot Matrix,Ink Jet Printer
    Explanation
    The correct answer is Laser Printer, Dot Matrix, Ink Jet Printer. This answer is correct because it lists the three kinds of printers mentioned in the given options in the correct order. The first kind is the Laser Printer, followed by the Dot Matrix printer, and finally the Ink Jet Printer.

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  • 13. 

    The ______________ is an output device which produces output on paper.

    • Monitor

    • Keyboard

    • Printer

    • Mouse

    Correct Answer
    A. Printer
    Explanation
    A printer is an output device that produces output on paper. It is used to create physical copies of digital documents or images. Printers can be connected to a computer or other devices and can produce text, graphics, or both. They are commonly used in offices, homes, and other settings where physical copies of documents are needed.

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  • 14. 

    The ___________ writes data and instructions in storage devices and performs calculations and other data processing.

    • CPU

    • Port

    • Monitor

    • RAM

    Correct Answer
    A. CPU
    Explanation
    The CPU, or Central Processing Unit, is responsible for writing data and instructions in storage devices and performing calculations and other data processing. It is the brain of the computer that carries out all the necessary tasks to execute programs and perform operations. The CPU interacts with other components of the computer system to ensure efficient data processing and execution of instructions.

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  • 15. 

    Maintaining a computer involves

    • Keeping it physically clean

    • Protecting it from malware

    • Backing up your important files

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Maintaining a computer involves keeping it physically clean to prevent dust and debris from damaging the hardware, protecting it from malware by using antivirus software and practicing safe browsing habits, and backing up important files to prevent data loss in case of hardware failure or other issues. All of these tasks are essential for the proper functioning and longevity of a computer system.

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  • 16. 

    One byte divided into

    • 8 bits

    • 8 kb

    • 8 binary

    Correct Answer
    A. 8 bits
    Explanation
    One byte is divided into 8 bits. Each bit represents a binary value, either a 0 or a 1. Therefore, when a byte is divided into 8 bits, it means that there are 8 binary values within that byte.

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  • 17. 

    It is like a television set that allows you to see what you are doing on the computer.

    • CPU

    • Keyboard

    • Monitor

    Correct Answer
    A. Monitor
    Explanation
    A monitor is a device that displays the output of a computer. It allows users to visually see what they are doing on the computer, similar to a television set. The CPU is the central processing unit of a computer, responsible for executing instructions and performing calculations. The keyboard is an input device used to enter data and commands into the computer. Therefore, the monitor is the correct answer as it aligns with the given description.

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  • 18. 

    It display the image on a wall screen.

    • Projector

    • Plotter

    • Voice synthesizer

    Correct Answer
    A. Projector
    Explanation
    The correct answer is projector because a projector is a device that displays images or videos on a wall screen. It uses a light source to project the image onto a surface, allowing for larger and clearer viewing compared to a regular screen. A projector is commonly used in presentations, movie theaters, and home entertainment systems.

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  • 19. 

    The computer has the ability to 

    • Store data

    • Retrieve data

    • Process data

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The computer has the ability to store data, retrieve data, and process data. This means that it can save information for future use, access previously stored information, and manipulate data to produce desired results. Therefore, the correct answer is "All of the above."

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  • 20. 

    A ____________ is the smallest unit of data in computer processing

    • Bytes

    • Megabytes

    • Bit

    • Gigabyte

    Correct Answer
    A. Bit
    Explanation
    A bit is the smallest unit of data in computer processing. It represents a binary digit, which can have a value of either 0 or 1. Bits are used to store and transmit information in computers and other digital systems. They are combined to form larger units of data, such as bytes, which consist of 8 bits.

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  • 21. 

    It uses laser heat and powdered ink to print on paper. the output from this printer is very good.

    • Dot Matrix

    • Ink Jet Printer

    • Laser Printer

    Correct Answer
    A. Laser Printer
    Explanation
    A laser printer uses laser heat and powdered ink to print on paper, resulting in high-quality output. This technology involves a laser beam that scans the surface of a drum, creating an electrostatic image. The powdered ink, also known as toner, is attracted to the charged areas on the drum and transferred onto the paper. The heat from the laser then fuses the toner onto the paper, creating a permanent image. This process allows for precise and detailed printing, making laser printers ideal for producing professional documents and images.

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  • 22. 

    It is a permanent storage device

    • Hard Disk

    • CD

    • Floppy

    Correct Answer
    A. Hard Disk
    Explanation
    A hard disk is a permanent storage device that is used to store data on a computer. It consists of one or more rigid platters coated with a magnetic material and rotating at high speeds. Data is written and read from the platters using magnetic heads that move across the surface. Unlike CDs or floppies, which are removable and can be easily damaged or lost, a hard disk is typically installed inside a computer and provides a large amount of storage capacity for long-term data storage.

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  • 23. 

    A ____________ is a pointing device used to move a pointer on the screen and to make selections.

    • Keyboard

    • Processor

    • Mouse

    • Monitor

    Correct Answer
    A. Mouse
    Explanation
    A mouse is a pointing device that allows users to move a pointer on the screen and make selections. It is commonly used in conjunction with a computer or laptop to navigate through graphical user interfaces and perform various tasks. The mouse typically has buttons that can be clicked to interact with objects on the screen, and it may also have a scroll wheel for scrolling through documents or web pages. Overall, the mouse is an essential tool for controlling and interacting with a computer system.

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  • 24. 

    Web cameras can undertake the following 

    • Record videos

    • Take pictures

    • Video conferencing

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "All of the above". Web cameras have the capability to record videos, take pictures, and enable video conferencing. They are versatile devices that can be used for various purposes, such as capturing moments, conducting online meetings, and creating video content. With their ability to perform all these functions, web cameras have become essential tools for communication, content creation, and multimedia applications.

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  • 25. 

    Sprays ink on paper through tiny nozzles.

    • Dot Matrix

    • Ink Jet Printer

    • Laser Printer

    Correct Answer
    A. Ink Jet Printer
    Explanation
    An inkjet printer is a type of printer that sprays ink onto paper through tiny nozzles. This process creates the desired text or image on the paper. Unlike dot matrix printers that use a series of dots to create characters, inkjet printers have the ability to produce high-quality prints with sharp and detailed images. Laser printers, on the other hand, use a different technology involving a laser beam to transfer toner onto the paper. Therefore, the correct answer is Ink Jet Printer.

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  • 26. 

    CPU reads the information from secondary memory

    • Directly

    • First, information is transferred to main memory and from there, the CPU reads

    • Through registers

    • None of these

    Correct Answer
    A. First, information is transferred to main memory and from there, the CPU reads
    Explanation
    In this scenario, the CPU does not directly read the information from secondary memory. Instead, the information is first transferred to the main memory, which acts as an intermediary between the CPU and the secondary memory. Once the information is in the main memory, the CPU can then read it and perform any necessary operations. This process is necessary because the CPU operates much faster than the secondary memory, so transferring the information to the main memory allows for quicker access and processing.

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  • 27. 

    Adding RAM is the easiest, fastest and cheapest way to improve computer performance.  

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Adding RAM (Random Access Memory) can indeed improve computer performance. RAM is responsible for temporarily storing data that is actively being used by the computer's processor. By increasing the amount of RAM, the computer can handle more data and programs simultaneously, leading to faster and smoother performance. Additionally, adding RAM is relatively easy and inexpensive compared to other hardware upgrades, such as upgrading the processor or storage. Therefore, it can be considered the easiest, fastest, and cheapest way to improve computer performance.

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  • 28. 

    Three kinds of printer

    • Laser Printer,Dot Matrix,Ink Jet Printer

    • Ink-jet Printer, Dot Matrix, Dot Jet Printer

    • Dot Matrix, LaserJet Printer, Jet Plane

    Correct Answer
    A. Laser Printer,Dot Matrix,Ink Jet Printer
    Explanation
    The correct answer is Laser Printer, Dot Matrix, Ink Jet Printer. This answer lists the three types of printers correctly, with Laser Printer being the first, Dot Matrix being the second, and Ink Jet Printer being the third.

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  • 29. 

    The term _______ refers to the computer's physical components, such as the monitor, keyboard, memory chips, and hard drive.

    • Software

    • Hardware

    • Firmware

    • Output

    Correct Answer
    A. Hardware
    Explanation
    Hardware refers to the physical components of a computer system. These components include the monitor, keyboard, memory chips, and hard drive. Software, on the other hand, refers to the programs and instructions that tell the hardware what to do. Firmware is a type of software that is permanently stored in hardware devices. Output refers to the information or data that is produced by a computer system. Therefore, the correct answer is hardware.

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  • 30. 

    Softcopy means output that you can see but cannot touch

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Softcopy refers to digital or electronic information that is displayed on a screen or monitor, such as a computer, tablet, or smartphone. It is called "soft" because it is intangible and cannot be physically touched or felt. This includes documents, images, videos, or any other form of data that is viewed electronically. Therefore, the statement "Softcopy means output that you can see but cannot touch" is true, as it accurately describes the nature of softcopy information.

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  • 31. 

    CD-ROM stands for

    • Compactable Read Only Memory

    • Compact Data Read Only Memory

    • Compactable Disk Read Only Memory

    • Compact Disk Read Only Memory

    Correct Answer
    A. Compact Disk Read Only Memory
    Explanation
    CD-ROM stands for Compact Disk Read Only Memory. It is a type of optical disk that is used to store data. The term "compact disk" refers to the physical format of the disk, which is a flat, circular disc that is typically 4.75 inches in diameter. The term "read only memory" indicates that the data on the disk is permanently stored and cannot be modified or erased. CD-ROMs are commonly used for distributing software, multimedia content, and other large files.

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  • 32. 

    It display the image on a wall screen.

    • Projector

    • Plotter

    • Voice synthesizer

    Correct Answer
    A. Projector
    Explanation
    The correct answer is Projector because a projector is a device that displays images or videos on a wall or screen. It uses a light source to project the image onto a surface, allowing it to be viewed by a larger audience. This explanation aligns with the given statement that mentions "It display the image on a wall screen." A plotter is a device used for printing graphics or drawings, and a voice synthesizer is a device that generates artificial speech.

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  • 33. 

    THE CPU is placed on a printed circuit board called

    • Chip

    • Electronic card

    • Motherboard

    Correct Answer
    A. Motherboard
    Explanation
    The CPU, or Central Processing Unit, is a key component of a computer system that performs most of the processing inside the computer. It is placed on a printed circuit board called the motherboard, which is the main circuit board that connects and allows communication between all the other components of the computer. The motherboard provides power and data connections to the CPU, as well as other essential components such as memory, storage, and expansion slots. Therefore, the correct answer is motherboard.

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  • 34. 

    It stores all data, programs and information in it.

    • Memory

    • ALU

    • CU

    Correct Answer
    A. Memory
    Explanation
    Memory is the correct answer because it is responsible for storing all data, programs, and information. It is a crucial component of a computer system that allows for the storage and retrieval of data. Without memory, a computer would not be able to retain any information or execute programs. Therefore, memory plays a vital role in the overall functioning of a computer system.

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  • 35. 

    It is like a television set that allows you to see what you are doing on the computer.

    • CPU

    • Keyboard

    • Monitor

    Correct Answer
    A. Monitor
    Explanation
    A monitor is a device that displays the output from a computer. It allows the user to visually see what they are doing on the computer. This is similar to a television set, which also displays visual content. The CPU is the central processing unit of a computer, responsible for executing instructions and performing calculations. The keyboard is an input device used to enter text and commands into the computer.

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  • 36. 

    The ___________ writes data and instructions in storage devices and performs calculations and other data processing.

    • CPU

    • Port

    • Monitor

    • RAM

    Correct Answer
    A. CPU
    Explanation
    The CPU, or Central Processing Unit, is responsible for writing data and instructions in storage devices and performing calculations and other data processing. It is the main component of a computer system that carries out the majority of the processing tasks, including executing instructions, performing arithmetic and logical operations, and managing data flow between different components of the system. The CPU acts as the brain of the computer, coordinating and controlling all the operations to ensure efficient and effective data processing.

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  • 37. 

    Large format printer that can print very large sheets for billboards, maps and posters.

    • Projector

    • Plotter

    • Voice synthesizer

    Correct Answer
    A. Plotter
    Explanation
    A plotter is a device that is specifically designed to print large format sheets for billboards, maps, and posters. Unlike a regular printer or projector, a plotter uses a pen or a marker to draw precise and detailed images onto the paper. It is commonly used in industries such as advertising, architecture, and engineering, where large-scale prints are required. Therefore, the correct answer for this question is plotter.

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  • 38. 

    Computers can only be used for work.

    • TRUE

    • FALSE

    Correct Answer
    A. FALSE
    Explanation
    This statement is false because computers can be used for a variety of purposes, not just work. They can be used for entertainment, communication, research, creativity, and many other activities. Computers have become an integral part of our daily lives and are used for a wide range of tasks beyond just work-related activities.

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  • 39. 

    DATA ENTERD INTO A COMPUTER IS CALLED

    • INPUT

    • OUTPUT

    • PROCESSING

    Correct Answer
    A. INPUT
    Explanation
    Data that is entered into a computer is referred to as input. Input can come from various sources such as a keyboard, mouse, microphone, or any other device that allows data to be entered into the computer system. Once the data is inputted, it can be processed and manipulated by the computer, and the result is then outputted in the form of information or actions. Therefore, the correct answer is "INPUT".

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  • 40. 

    All the arithmetic and logic operations are done by the ...

    • CPU

    • CU

    • ALU

    Correct Answer
    A. ALU
    Explanation
    The ALU, or Arithmetic Logic Unit, is responsible for performing all the arithmetic and logic operations in a computer. It is a component of the CPU (Central Processing Unit), which is the main processing unit of a computer. The ALU performs calculations such as addition, subtraction, multiplication, and division, as well as logical operations like AND, OR, and NOT. It is designed to execute these operations quickly and efficiently, making it a crucial part of the CPU's overall functionality.

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  • 41. 

    Sprays ink on paper through tiny nozzles.

    • Dot Matrix

    • Ink Jet Printer

    • Laser Printer

    Correct Answer
    A. Ink Jet Printer
    Explanation
    The correct answer is Ink Jet Printer. Ink jet printers work by spraying ink onto the paper through tiny nozzles. These nozzles release small droplets of ink onto the paper, creating the text or image. This technology allows for precise and detailed printing, making ink jet printers popular for home and office use.

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  • 42. 

    It uses laser heat and powdered ink to print on paper. the output from this printer is very good.

    • Dot Matrix

    • Ink Jet Printer

    • Laser Printer

    Correct Answer
    A. Laser Printer
    Explanation
    A laser printer is the correct answer because it uses laser heat and powdered ink to print on paper. This printing method results in a high-quality output.

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  • 43. 

    __________ is the process that occurs when you press the power button to turn your computer on

    • Start

    • Booting

    • Shutdown

    • Hibernate

    Correct Answer
    A. Booting
    Explanation
    Booting is the process that occurs when you press the power button to turn your computer on. During the booting process, the computer's hardware is initialized, the operating system is loaded into memory, and various system checks and configurations are performed. This allows the computer to start up and become ready for use.

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  • 44. 

    What is the speed of a processor measured in?

    • Bytes

    • Hertz

    • Inches

    • Bits

    Correct Answer
    A. Hertz
    Explanation
    The speed of a processor is measured in Hertz. Hertz is a unit of frequency that represents the number of cycles per second. In the context of a processor, it refers to the number of instructions or operations that the processor can execute in a second. A higher frequency or clock speed indicates a faster processor, as it can perform more operations in a given time period. Therefore, Hertz is the correct unit of measurement for processor speed.

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  • 45. 

    The best way to guard against malware is to install

    • Desktop application

    • Web apps

    • Antivirus

    • None of the above

    Correct Answer
    A. Antivirus
    Explanation
    Installing antivirus software is the best way to guard against malware. Antivirus programs are specifically designed to detect, prevent, and remove malware from a computer system. They continuously scan files and programs for any suspicious activity or known malware signatures. By regularly updating the antivirus software, users can ensure that their system is protected against the latest threats. Antivirus software provides a proactive defense against malware, offering real-time protection and preventing potential damage to the computer and its data. Therefore, choosing antivirus as the correct answer is logical and appropriate in the context of guarding against malware.

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  • 46. 

    The set of Raw fact are called information.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because raw facts are not called information. Raw facts are unprocessed data that have not been organized or analyzed. Information is the result of processing and organizing raw facts, making it meaningful and useful.

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  • 47. 

    Mobile devices designed mainly for reading e-books are called

    • E-devices

    • E-readers

    • E-mobiles

    • E-electronic

    Correct Answer
    A. E-readers
    Explanation
    Mobile devices that are specifically designed for reading e-books are commonly known as e-readers. These devices typically have features such as e-ink displays, long battery life, and a wide range of e-book compatibility. They are optimized for reading purposes, providing a comfortable reading experience with features like adjustable font size, backlighting, and bookmarking. Therefore, the correct answer is e-readers.

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  • 48. 

    What is 1 MB ?

    • 1024 Bytes

    • 1000 Kilo Bytes

    • 1024 Kilo Bytes

    • 10X24 Kilo Bytes

    Correct Answer
    A. 1024 Kilo Bytes
    Explanation
    1 MB is equivalent to 1024 Kilo Bytes. This is because in the binary system, 1 MB is equal to 2^10 KB, which is 1024 KB.

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  • 49. 

    A processor's speed is measured in __________ and __________

    • Megahertz and Gigahertz

    • Megabytes and Gigabytes

    • Bytes and Kilobytes

    • Bits and kilobits

    Correct Answer
    A. Megahertz and Gigahertz
    Explanation
    A processor's speed is measured in Megahertz (MHz) and Gigahertz (GHz). Megahertz and Gigahertz are units of frequency that measure the number of cycles per second. In the context of a processor, a higher frequency indicates a faster speed and better performance. Megabytes and Gigabytes are units of storage capacity, not speed. Bytes and Kilobytes are also units of storage capacity, not speed. Bits and kilobits are units of data transfer rate, not speed.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 12, 2014
    Quiz Created by
    Pkmauryamcse
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