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 ‘firewall’ in computer security?
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A. To encrypt network dataB. To speed up network connectionsC. To monitor and control incoming and outgoing network traffic based on security rulesD. To ...
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Explain the concept of a ‘deadlock’ in operating systems. |.
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A. A situation where a program crashes unexpectedlyB. A situation where two or more processes are blocked indefinitely, waiting for each other to release resourcesC. A situation where ...
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What is the purpose of a network protocol? | protocols.
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A. To encrypt network trafficB. To define the physical layout of a networkC. To govern how data is transmitted and received across a networkD. ...
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What is the function of a CPU register? | computer.
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A. To store large amounts of data permanentlyB. To manage the flow of data between the CPU and RAMC. To temporarily hold data and instructions being processed by ...
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What is the role of a Relational Database Management System.
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A. To manage non-relational data.B. To store and manage data using a relational model.C. To perform calculations on spreadsheets.D. To create web pages.
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What is the difference between TCP and UDP? | tcp.
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A. TCP is faster; UDP is more reliable.B. TCP is connectionless; UDP is connection-oriented.C. TCP guarantees delivery; UDP does not.D. TCP and UDP are ...
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Explain the concept of virtualization in computing. | benefits virtualization.
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A. Creating multiple physical computers from one virtual machine.B. Running multiple operating systems simultaneously on the same hardware.C. Simulating a computer network in a virtual environment.
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What is the function of a CPU cache? | cpu.
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A. To store operating system files.B. To temporarily store data for faster CPU access.C. To control the flow of data between the CPU and the hard drive.
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Explain the concept of object-oriented programming (OOP)? | object oriented.
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A. A programming paradigm that focuses on procedures and functions.B. A programming paradigm that organizes software around data and objects.C. A type of programming language.
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What is a ‘System Bus’ in computer architecture? | bus.
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A. A type of memoryB. A communication pathway between componentsC. A type of network protocolD. A power supply component