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 purpose of a ‘firewall’ in computer networking?
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A. Increases internet speedB. Encrypts data being sent over the networkC. Monitors and controls network trafficD. Stores passwords and user credentials
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How does ‘virtual memory’ improve computer performance? | use memory.
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A. Increases the processor's clock speedB. Directly improves the speed of the hard driveC. Allows the computer to run more programs concurrentlyD. Reduces the ...
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What is the function of a ‘BIOS’ in a computer.
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A. Manages user accounts and permissionsB. Controls the speed of the internet connectionC. Loads and runs the operating systemD. Processes complex mathematical calculations
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What is the role of an API (Application Programming Interface).
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A. To compile source code into machine code.B. To manage databases.C. To allow different software systems to communicate.D. To encrypt data for security.
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Explain the function of a digital signature in cybersecurity. |.
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A. To encrypt data for confidentiality.B. To compress data for storage.C. To verify the authenticity and integrity of digital data.D. To protect against denial-of-service ...
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What is the purpose of a relational database management system.
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A. To store unstructured data.B. To manage files and folders.C. To organize and manage structured data.D. To perform complex mathematical calculations.
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Which network topology offers the highest level of redundancy and.
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A. Star topologyB. Bus topologyC. Ring topologyD. Mesh topology
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What is the difference between a process and a thread.
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A. Processes are faster than threads.B. Threads are independent units, while processes share resources.C. Processes share memory space, threads do not.D. Processes have their ...
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What is the difference between hardware and software? | hardware.
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A. They are functionally the same.B. Hardware is the physical components, while software is the set of instructions.C. Hardware is intangible, while software is tangible.
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What is source code in programming? | source code &.
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A. The compiled version of a programB. The output of a programC. The human-readable instructions of a programD. The hardware of a computer