This category covers multiple-choice questions (MCQs) related to various aspects of computer science and technology – including fundamental concepts, hardware, software, operating systems, networking, programming and data structures . Understanding computer fundamentals is crucial in today’s digital world – understanding core principles and applications is important – this section is useful for students, professionals and anyone seeking to improve their knowledge of computer science and technology – practice strengthens knowledge and prepares for examinations or professional certifications .
What is the role of a ‘firmware’ in a computer.
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A. Runs applicationsB. Stores user dataC. Initializes hardware and enables basic system functionsD. Manages network connections
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What does ‘Cache Memory’ do in a computer system? |.
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A. Stores the operating systemB. Stores rarely used dataC. Stores frequently accessed data for faster retrievalD. Controls the computer's clock speed
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What is the purpose of a ‘register’ in a CPU?
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A. To store large amounts of data permanentlyB. To control the flow of electricity within the CPUC. To temporarily hold data and instructions being processed
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Explain the concept of ‘paging’ in operating systems. | paging.
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A. A method for compressing filesB. A technique for encrypting dataC. A memory management scheme dividing memory into fixed-size blocksD. A networking protocol
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What is the function of a microprocessor in a computer.
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A. Manages data storageB. Controls input/output devicesC. Executes instructions and performs calculationsD. Regulates power consumption
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What are the key characteristics of a ‘real-time operating system’.
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A. High multitasking capability, large memory management, and slow response times.B. Predictable behavior, minimal latency, and efficient resource management.C. Large storage capacity, complex user interface, and high power ...
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What is the difference between Lossy and Lossless Compression? |.
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A. Lossy compression discards data; lossless compression does not.B. Lossless compression discards data; lossy compression does not.C. Both methods discard data, but lossy discards more.
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What is the purpose of a ‘buffer’ in computer systems?
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A. To store permanently data.B. To temporarily store data during transfer between devices or processes.C. To manage the CPU clock speed.D. To protect against ...
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Explain the concept of ‘pipelining’ in computer architecture. | pipelining.
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A. A method for improving memory access time.B. A technique for increasing CPU instruction throughput by overlapping instruction execution.C. A technique for managing virtual memory.
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What is the function of a modem in a computer.
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A. To convert digital signals to analog and vice versa for network communication.B. To store and retrieve data from a network.C. To route network traffic between different devices.