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 function of a network adapter? | network.
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A. To process dataB. To control the computer's CPUC. To allow a computer to connect to a networkD. To store data on a hard ...
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What is the purpose of a firewall in computer networking?
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A. To increase network speedB. To route network trafficC. To protect a network from unauthorized accessD. To store network data
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What is a virus in the context of computer science?
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A. A type of hardware componentB. A self-replicating program designed to cause harmC. A type of operating systemD. A programming language
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What is the role of an operating system in a.
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A. To control network trafficB. To store user dataC. To run applications and manage computer resourcesD. To translate programming languages
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What does the acronym ‘HTML’ stand for in web development?
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A. HyperText Machine LanguageB. HyperText Markup LanguageC. Hyperlink Transfer Markup LanguageD. High-level Text Markup Language
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Explain the difference between a switch and a hub in.
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A. They are functionally identical.B. A hub forwards data to only one device, while a switch broadcasts to all.C. A switch forwards data selectively, while a hub broadcasts ...
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What is the function of a cache memory in a.
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A. To store the operating systemB. To manage input/output devicesC. To speed up data accessD. To control the flow of data between peripherals
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What is a stack overflow error in programming? | stack.
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A. Stack overflow is a type of network error.B. Stack overflow is caused by insufficient heap memory.C. Stack overflow is caused by exceeding the allocated stack memory.
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Explain the concept of object-oriented programming (OOP). | oop programming.
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A. OOP is a procedural programming paradigm.B. OOP focuses solely on data manipulation.C. OOP promotes code modularity and reusability through objects and classes.D. OOP ...
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What is the difference between a ‘while’ loop and a.
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A. There is no difference between a 'while' loop and a 'for' loop.B. 'While' loops iterate a fixed number of times, 'for' loops iterate until a condition is false.