CIS 13 Chapt 2

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    0s and 1s are called

    • Bits
    • Byte
    • Bitmap
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CIS 13 Chapt 2 - Quiz

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  • 2. 

    0 means negative and 1 means positive

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The answer "True" is correct because the statement "0 means negative and 1 means positive" is true. In this context, 0 is used to represent a negative value and 1 is used to represent a positive value.

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  • 3. 

    A___________ is a group of 8 bits

    Correct Answer
    byte
    Explanation
    A byte is a group of 8 bits. In computer systems, information is stored and transmitted in the form of bits, which are binary digits that can represent either a 0 or a 1. A byte consists of 8 bits, allowing it to represent 256 different values (2^8). Bytes are commonly used as the basic unit of storage in computer systems and are used to represent characters, numbers, and other types of data.

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  • 4. 

    ________ each place value in a decimal number represents 10 raised to the appropriate power

    Correct Answer
    decimal numbering system
    Explanation
    In the decimal numbering system, each place value represents 10 raised to the appropriate power. This means that the value of each digit in a decimal number is determined by its position relative to the decimal point. For example, in the number 123.45, the "1" represents 1 x 10^2, the "2" represents 2 x 10^1, and the "5" represents 5 x 10^(-1). This allows us to easily understand and calculate the value of a decimal number based on its place value.

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  • 5. 

    The smallest unit of data a digital computer can recognize

    Correct Answer
    bit
    Explanation
    A bit is the smallest unit of data that a digital computer can recognize. It represents a binary digit, which can have a value of either 0 or 1. Computers use bits to store and process information, with combinations of bits forming larger units of data such as bytes, kilobytes, and so on. The term "bit" is derived from "binary digit," highlighting its fundamental role in digital computing.

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  • 6. 

    The numbering system that represents all numbers using just two symbols 0 and 1

    Correct Answer
    binary numbering system
    Explanation
    The binary numbering system is a numbering system that represents all numbers using just two symbols, 0 and 1. In this system, each digit is a power of 2, and the value of each digit is determined by its position in the number. This system is widely used in computer science and digital electronics, as it can easily represent and manipulate data using binary digits, or bits. The binary numbering system is essential for understanding how computers store and process information.

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  • 7. 

    An international coding system that can be used to represent text- based data in any written language

    Correct Answer
    unicode
    Explanation
    Unicode is an international coding system that allows for the representation of text-based data in any written language. It provides a unique numerical value for each character, symbol, or script used in various languages, ensuring compatibility and consistency across different platforms and devices. Unicode eliminates the limitations of traditional character encoding systems and enables the seamless exchange and display of multilingual text.

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  • 8. 

    ___________ image is an image most common methods of storing graphics data is in this form

    Correct Answer
    bitmap
    Explanation
    Bitmap is the most common method of storing graphics data. A bitmap image is made up of individual pixels, each containing color information. This form of image storage allows for precise control over each pixel, making it suitable for detailed graphics and photographs. Other methods, such as vector graphics, store images as mathematical equations, which are better suited for simple shapes and line art. However, bitmap images can consume a large amount of storage space, especially for high-resolution images, due to the need to store color information for each individual pixel.

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  • 9. 

    An image comprised of small dots are called

    Correct Answer
    pixels
    Explanation
    Pixels are the smallest units that make up an image on a digital display. Each pixel represents a single point of color and together they form the complete image. The image is divided into a grid of small dots, with each dot being a pixel. These pixels are responsible for creating the visual representation on our screens, whether it's on a computer, smartphone, or any other digital device. So, an image comprised of small dots is called pixels.

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  • 10. 

    A binary- based language for representing computer programs that the computer can execute directly

    Correct Answer
    machine language
    Explanation
    Machine language is a binary-based language used to represent computer programs that can be executed directly by the computer. It consists of a series of instructions in binary code, which is the language that the computer's hardware understands. Each instruction corresponds to a specific operation that the computer can perform, such as arithmetic calculations or data manipulation. Machine language is the lowest level of programming language, as it directly interacts with the computer's hardware, and it requires a deep understanding of the computer's architecture and instruction set.

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  • 11. 

    The main circuit board of a computer, located inside the system unit, to which all computer system components connect.

    Correct Answer
    motherboard
    Explanation
    The motherboard is the main circuit board of a computer, located inside the system unit. It is responsible for connecting all computer system components together. It provides the electrical and logical connections for the CPU, RAM, storage devices, and other peripherals. The motherboard acts as a central hub, allowing data and power to flow between all the different components of the computer system.

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  • 12. 

    The chip located on the motherboard of a computer that performs the processing for a computer. Also called the processor/ microprocessor

    Correct Answer
    cpu
    Explanation
    The given answer "cpu" is correct because the CPU (Central Processing Unit) is the chip located on the motherboard of a computer that performs the processing for a computer. It is also known as the processor or microprocessor. The CPU is responsible for executing instructions, performing calculations, and managing data flow within the computer system. It is considered the brain of the computer and plays a vital role in determining the overall performance and speed of the system.

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  • 13. 

    A cpu that contains two separate processing cores

    Correct Answer
    dual core cpu
    Explanation
    A dual-core CPU refers to a central processing unit that consists of two separate processing cores. This means that the CPU can handle multiple tasks simultaneously, dividing the workload between the two cores. Each core can independently execute instructions, allowing for improved multitasking and increased performance compared to a single-core CPU. Having two cores also enables better utilization of resources and can enhance the overall speed and efficiency of the system.

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  • 14. 

    A group of fast memory circuity located on or near the cpu to help speed up processing

    Correct Answer
    cache memory
    Explanation
    Cache memory is a group of fast memory circuits that are located on or near the CPU. Its purpose is to help speed up processing by storing frequently accessed data and instructions closer to the CPU, reducing the time it takes to retrieve them from the main memory. By having this high-speed memory, the CPU can quickly access the most frequently used data, resulting in improved overall system performance.

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  • 15. 

    If the data or instructions are not found n cache memory the computer looks for them where?

    Correct Answer
    ram
    Explanation
    When the data or instructions are not found in the cache memory, the computer looks for them in the RAM (Random Access Memory). RAM is a type of computer memory that is used to store data and instructions that are currently being used by the computer. It is a temporary storage location that allows the computer to quickly access and retrieve data when needed. Therefore, if the data or instructions are not present in the cache memory, the computer will search for them in the RAM.

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  • 16. 

    An elctronic path over which data can travel

    Correct Answer
    bus
    Explanation
    A bus is an electronic path over which data can travel. In computer architecture, a bus refers to a communication system that allows different components of a computer system to transfer data between each other. It acts as a shared pathway for transmitting information, signals, and commands between various devices such as the CPU, memory, and input/output devices. The bus enables the transfer of data in parallel or serial fashion, depending on the type of bus. It is an essential component for the smooth functioning and coordination of different parts of a computer system.

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  • 17. 

    The amount of data that can be transferred in a given period of time also referred to as throughput

    Correct Answer
    bandwidth
    Explanation
    Bandwidth refers to the amount of data that can be transferred in a given period of time. It is commonly used to measure the capacity of a network or internet connection. Higher bandwidth allows for more data to be transmitted simultaneously, resulting in faster data transfer rates. Therefore, the given answer, bandwidth, accurately describes the concept of the amount of data that can be transferred in a given period of time.

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  • 18. 

    Chip based storage

    Correct Answer
    memory
    Explanation
    The term "chip-based storage" refers to a type of storage technology that uses integrated circuits (chips) to store data. This can include various forms of memory, such as RAM (Random Access Memory) or ROM (Read-Only Memory). Therefore, the correct answer for this question is "memory", as it encompasses the concept of chip-based storage.

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  • 19. 

    A characteristic of memory or storage in which data is not retained when the power to the computer is turned off.

    Correct Answer
    volatile
    Explanation
    Volatile is a characteristic of memory or storage where data is not retained when the power to the computer is turned off. This means that any information stored in volatile memory will be lost once the computer loses power. Volatile memory is commonly used for temporary storage and is faster to access compared to non-volatile memory. It is typically used for tasks that require quick data access but do not need to retain the information permanently.

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  • 20. 

    A characteristic of memory or storage in which data is retained even when the power to the computer is turned off.

    Correct Answer
    nonvolatile
    Explanation
    Nonvolatile refers to the characteristic of memory or storage where data is retained even when the power to the computer is turned off. This means that the information stored in nonvolatile memory remains intact even during power outages or system shutdowns. Nonvolatile memory is commonly used in devices such as solid-state drives (SSDs), flash drives, and memory cards, where data needs to be stored for long periods without the need for continuous power supply. Unlike volatile memory, which loses its data when power is disconnected, nonvolatile memory ensures that the stored information remains accessible and preserved.

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  • 21. 

    Chips connected to the motherboard that provide a temporary location for the computer to hold data and program instructions while they are needed.

    Correct Answer
    ram
    Explanation
    RAM stands for Random Access Memory. It is a type of computer memory that provides a temporary location for the computer to hold data and program instructions while they are needed. RAM allows the computer to quickly access and retrieve data, which helps in the smooth functioning of the computer. It is a volatile memory, meaning that its contents are lost when the computer is turned off or restarted. RAM is an essential component in any computer system as it directly affects the system's performance and multitasking capabilities.

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  • 22. 

    High speed memory built into the cpu that temporarily stores data during processing

    Correct Answer
    register
    Explanation
    A register is a high-speed memory built into the CPU that temporarily stores data during processing. It is used to store instructions, data, and intermediate results during the execution of a program. Registers are faster to access than main memory, which allows for faster processing and improved performance. They are an essential component of the CPU and play a crucial role in the execution of instructions and the overall functioning of the computer system.

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  • 23. 

    Nonvolatile chips located on the motherboard into which data or programs have been permanently stored

    Correct Answer
    read only memory
    Explanation
    The given correct answer is read-only memory (ROM). ROM refers to nonvolatile chips on the motherboard where data or programs are permanently stored. Unlike other types of memory, the data in ROM cannot be modified or erased, making it ideal for storing essential instructions and data that need to be preserved even when the computer is powered off. ROM is commonly used to store the computer's boot-up instructions and firmware.

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  • 24. 

    A location on the motherboard into which expansion cards are inserted.

    Correct Answer
    expansion slot
    Explanation
    An expansion slot refers to a specific location on the motherboard where expansion cards can be inserted. These expansion cards help to enhance the functionality and capabilities of the computer system by adding extra features such as graphics cards, sound cards, or network cards. The expansion slot provides a physical connection between the expansion card and the motherboard, allowing the card to communicate and interact with the rest of the system.

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  • 25. 

    A circuit board that can be inserted into an expansion slot location on a computer's motherboard to add additional functionality or to connect a peripheral device to that

    Correct Answer
    expansion card
    Explanation
    An expansion card is a circuit board that can be inserted into an expansion slot location on a computer's motherboard to add additional functionality or to connect a peripheral device to the computer. It allows users to expand the capabilities of their computer by adding features such as graphics cards, sound cards, network cards, or USB ports. These cards are designed to fit into specific expansion slots on the motherboard and are essential for upgrading or customizing a computer system.

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  • 26. 

    A module that can be inserted into a computers express card slot to add additional functionality or to connect a peripheral device to that computer; commonly used with notebook computers

    Correct Answer
    expresscard module
    Explanation
    An expresscard module is a device that can be inserted into a computer's express card slot to provide additional functionality or connect a peripheral device. This type of module is commonly used with notebook computers to expand their capabilities or connect external devices.

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  • 27. 

    A bus on the mother board used to connects peripheral devices

    Correct Answer
    expansion bus
    Explanation
    The given answer, "expansion bus," correctly explains that the bus on the motherboard is used to connect peripheral devices. An expansion bus is a type of bus that allows additional hardware components, such as graphics cards, sound cards, and network cards, to be connected to the motherboard. It provides a pathway for data and signals to be transferred between the motherboard and these peripheral devices, expanding the capabilities of the computer system.

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  • 28. 

    The bus that connects the cpu to the rest of the bus architecture

    Correct Answer
    frontside bus
    Explanation
    The frontside bus is the bus that connects the CPU to the rest of the bus architecture. It is responsible for transferring data and instructions between the CPU and other components such as memory and peripherals. The frontside bus plays a crucial role in determining the overall performance of the system, as it affects the speed at which data can be transferred.

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  • 29. 

    A universal bus used to connect up to 127 peripheral devices to a computer without requiring the use of additional expansion cards.

    Correct Answer
    universal serial bus
    Explanation
    The correct answer is "universal serial bus" because it is a widely used standard for connecting peripheral devices to a computer. It allows for the connection of up to 127 devices without the need for additional expansion cards, making it convenient and efficient. The universal serial bus, or USB, has become the standard for connecting devices such as keyboards, mice, printers, and external storage devices to computers.

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  • 30. 

    A high-speed bus standard often used to connect digital video cameras and others multimedia hardware to a computer

    Correct Answer
    firewire
    Explanation
    Firewire is a high-speed bus standard commonly used to connect digital video cameras and other multimedia hardware to a computer. It provides fast data transfer rates, making it ideal for transferring large files such as videos and images. Firewire also supports hot-swapping, allowing devices to be connected and disconnected without having to restart the computer. It is a popular choice for professionals in the media industry due to its reliability and efficient performance.

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  • 31. 

    A connector on the the exterior of a computer to which a device may be attached

    Correct Answer
    port
    Explanation
    A port refers to a connector on the exterior of a computer where a device can be attached. It is a physical interface that allows communication between the computer and external devices such as printers, monitors, or keyboards. Ports can come in different types, such as USB ports, HDMI ports, or Ethernet ports, each serving a specific purpose and supporting different types of connections.

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  • 32. 

    The part of a cpu core that performs decimal arithmetic

    Correct Answer
    floating point unit
    Explanation
    The floating point unit is the part of a CPU core that performs decimal arithmetic. It is responsible for executing complex mathematical operations involving decimal numbers, such as addition, subtraction, multiplication, and division. The floating point unit is designed to handle floating-point numbers, which are numbers with a fractional part. It performs these calculations with high precision and accuracy, making it essential for tasks that require extensive numerical computations, such as scientific simulations, engineering calculations, and computer graphics rendering.

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  • 33. 

    The part of a cpu core that coordinates its operations

    Correct Answer
    control unit
    Explanation
    The control unit is responsible for coordinating the operations of a CPU core. It acts as the brain of the CPU, directing the flow of data and instructions between different components. It fetches instructions from memory, decodes them, and controls the execution of these instructions by sending signals to the appropriate components. In this way, the control unit ensures that the CPU performs tasks in the correct order and synchronizes the actions of different parts of the core.

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  • 34. 

    The part of a cpu core that attempts to retrieve data and instructions before they are needed for processing in order to avoid delays

    Correct Answer
    prefetch unit
    Explanation
    A prefetch unit is a component of a CPU core that anticipates the data and instructions that will be needed for processing and retrieves them in advance. By doing so, it helps to prevent delays in the processing of tasks by ensuring that the necessary data is readily available when required. This proactive approach improves the overall efficiency and speed of the CPU core.

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  • 35. 

    The part of a cpu core that translates instructions into a form that can be processed by the alu and fpu

    Correct Answer
    decode unit
    Explanation
    The decode unit is responsible for translating instructions into a format that can be understood and executed by the Arithmetic Logic Unit (ALU) and Floating Point Unit (FPU) in a CPU core. It takes the instructions from the instruction cache and decodes them into micro-operations that can be processed by the ALU and FPU. This allows the CPU to understand and perform the necessary calculations and operations specified by the instructions.

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  • 36. 

    The timing mechanism within the computer system that synchronizes the computers operations

    Correct Answer
    system clocks
    Explanation
    System clocks are the timing mechanisms within a computer system that synchronize the operations of the computer. These clocks ensure that different components of the computer, such as the processor, memory, and input/output devices, work together in a coordinated manner. System clocks provide a consistent and reliable timing reference for the computer's operations, ensuring that tasks are executed at the correct times and in the correct order. They help maintain the overall performance and efficiency of the computer system.

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  • 37. 

    The series of operations involved in the execution of a single machine level instruction

    Correct Answer
    machine cycle
    Explanation
    A machine cycle refers to the series of operations that are performed in order to execute a single machine level instruction. It involves fetching the instruction from memory, decoding it, executing the instruction, and storing the result back in memory if necessary. This cycle is repeated for each instruction that needs to be executed by the computer's processor.

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  • 38. 

    The capability to use multiple processors or multiple processing cores in a single computer, usually to process multiple jobs at one time faster than could be performed with a single processor

    Correct Answer
    multiprocessing
    Explanation
    Multiprocessing refers to the ability of a computer to utilize multiple processors or processing cores simultaneously. This allows the computer to handle multiple tasks or jobs at the same time, resulting in faster processing speeds compared to a single processor system. By dividing the workload among multiple processors, multiprocessing improves overall efficiency and enhances the computer's performance.

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  • 39. 

    A processing  technique that uses multiple processors or multiple processing cores simultaneously, usually to process a single job as fast as possible.

    Correct Answer
    parallel processing
    Explanation
    Parallel processing is a technique that involves using multiple processors or processing cores simultaneously to complete a single task as quickly as possible. This approach allows for the division of a complex job into smaller tasks that can be executed concurrently, resulting in faster processing times. By distributing the workload across multiple processors or cores, parallel processing maximizes efficiency and can significantly reduce the time required to complete a task.

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  • 40. 

    The science of creating tiny computers and components by working at the individual atomic and molecular levels

    Correct Answer
    nanotechnology
    Explanation
    Nanotechnology refers to the science of manipulating and creating computers and components on an extremely small scale, at the atomic and molecular levels. It involves working with materials and structures that are nanometers in size, allowing for the development of innovative applications in various fields such as electronics, medicine, and energy. Nanotechnology enables scientists to engineer materials with unique properties and functionalities, leading to advancements in areas like nanoelectronics, nanomedicine, and nanomaterials.

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  • 41. 

    Tiny, hollow tubes made of carbon atoms

    Correct Answer
    carbon nanotubes
    Explanation
    Carbon nanotubes are tiny, hollow structures composed of carbon atoms arranged in a cylindrical shape. These nanotubes have a high aspect ratio, meaning their length is much greater than their diameter. Due to their unique structure and properties, carbon nanotubes have numerous applications in various fields such as electronics, materials science, and medicine. They possess exceptional strength, thermal conductivity, and electrical properties, making them highly desirable for use in nanotechnology and nanomaterials.

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  • 42. 

    A technology that applies the principle of quantum physics and quantum mechanics to computers to direct atoms or nuclei to wok as quantum bits(qubits), which function simultaneously as the computer's processor memory

    Correct Answer
    quantum computing
    Explanation
    Quantum computing is a technology that utilizes the principles of quantum physics and quantum mechanics to manipulate atoms or nuclei as quantum bits (qubits). These qubits function simultaneously as both the processor and memory of a computer. By harnessing the unique properties of quantum mechanics, such as superposition and entanglement, quantum computing has the potential to perform complex calculations and solve problems that are currently infeasible for classical computers.

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  • 43. 

    A computer uses light, such as from laser beams or infrared beams, to perform digital computations

    Correct Answer
    optical computer
    Explanation
    An optical computer is a type of computer that uses light, specifically laser beams or infrared beams, to perform digital computations. Unlike traditional computers that use electrical signals, optical computers utilize photons to process and transmit data. This technology has the potential to greatly increase computing speed and efficiency, as light can travel much faster than electrical signals. By harnessing the power of light, optical computers offer the promise of faster processing, higher bandwidth, and lower energy consumption compared to traditional computers.

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  • 44. 

     ram is slower than cache memory

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement "ram is slower than cache memory" is true. Cache memory is a type of high-speed memory that is closer to the CPU, allowing for faster access to data. On the other hand, RAM (Random Access Memory) is a type of main memory that is slower compared to cache memory. This is because cache memory stores frequently used data and instructions, enabling the CPU to access them quickly, while RAM stores data and instructions that are currently being used by the CPU but at a slower speed.

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  • 45. 

    Most digital computers are binary computers that can only recognize nubers 1,2,0

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because most digital computers are not limited to recognizing only the numbers 1, 2, and 0. In fact, digital computers are designed to work with binary code, which consists of only two digits (0 and 1). However, these binary digits can be used to represent any number or character through encoding schemes like ASCII or Unicode. Therefore, digital computers can recognize and process a wide range of numbers, symbols, and characters beyond just 1, 2, and 0.

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  • 46. 

    Kb killa bytes is

    • 1 million

    • 1 billion

    • 1 thousand

    Correct Answer
    A. 1 thousand
    Explanation
    The given answer, "1 thousand," suggests that "kb" stands for kilobytes, which is a unit of digital information storage. In this context, "k" represents the prefix "kilo," which denotes a factor of 1000. Therefore, "kb" would refer to 1000 bytes.

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  • 47. 

    Consist of still images such as photographs or drawings

    • Graphics data

    • Pixels

    • Bitmap image

    Correct Answer
    A. Graphics data
    Explanation
    Graphics data refers to any type of data that is used to create or display visual images. It can include various forms of media such as photographs, drawings, or any other visual elements. In this context, the given answer suggests that graphics data consists of still images like photographs or drawings. It implies that graphics data is used to create or represent bitmap images, which are composed of pixels.

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  • 48. 

    A cpu that contains the processing components or core of moe than one processor in a single cpu is a multi- core cpu.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A multi-core CPU refers to a central processing unit that incorporates multiple processing cores within a single physical chip. Each core can independently execute tasks, allowing for increased efficiency and performance. This means that a multi-core CPU can handle multiple instructions simultaneously, leading to faster processing speeds and improved multitasking capabilities. Therefore, the given statement is true.

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  • 49. 

    Most cpu's today are

    • 32 bit processors

    • 64 bit processors

    • 48 bit processors

    Correct Answer
    A. 64 bit processors
    Explanation
    Most CPUs today are 64-bit processors because they offer several advantages over 32-bit processors. A 64-bit processor has a larger memory address space, allowing it to access more RAM and handle larger amounts of data. It also supports 64-bit software, which can take advantage of the increased processing power and perform more complex calculations. Additionally, 64-bit processors are backward compatible with 32-bit software, ensuring compatibility with older programs. Therefore, the prevalence of 64-bit processors in modern CPUs is due to their improved performance and expanded capabilities.

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