This section provides a comprehensive set of multiple choice questions (MCQs) specifically designed for those studying or working in the field of computer science. It covers a broad range of topics within computer science, including programming languages, data structures, algorithms, databases, operating systems, computer networks and software engineering . The questions are categorized and organized to facilitate focused learning and targeted practice .
What is the purpose of a firewall in network security?
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A. To speed up network connectionsB. To encrypt network dataC. To control the flow of data between a network and external sourcesD. To store ...
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Describe the role of normalization in database design. | normalization.
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A. A process for optimizing database query performanceB. A technique for securing databases from unauthorized accessC. A method for organizing data to reduce redundancy and improve data integrity
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What are the key differences between a stack and a.
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A. Stacks use FIFO, queues use LIFOB. Stacks use LIFO, queues use FIFOC. Both use LIFOD. Both use FIFO
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Explain the concept of polymorphism in object-oriented programming. | polymorphism.
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A. A programming style that prioritizes data over functionsB. The ability of a program to handle many different data types simultaneouslyC. The concept of creating multiple versions of ...
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What is a deadlock in operating systems, and how can.
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A. A situation where two processes cooperate efficientlyB. A temporary halt in processing due to resource limitationsC. A permanent state where two or more processes are blocked, waiting ...
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Which sorting algorithm is known for its efficiency in nearly.
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A. Merge SortB. Quick SortC. Bubble SortD. Insertion Sort
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What is the difference between an interpreter and a compiler.
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A. There is no differenceB. Compilers translate code line by line, while interpreters translate the entire program at onceC. Compilers translate the entire program at once, while interpreters ...
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What are some common software testing methodologies? | devops testing.
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A. Agile methodology always includes manual testing only.B. Waterfall methodology prioritizes continuous testing.C. DevOps focuses on automating testing and continuous delivery.D. Unit testing involves ...
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Explain the concept of Big Data. | techniques hadoop &.
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A. Big Data is always structured data.B. Big Data is easily processed using traditional tools.C. Big Data analysis is only relevant for large corporations.D. ...
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What is the purpose of a firewall in computer security?
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A. A firewall speeds up internet connections.B. A firewall prevents all network traffic.C. A firewall filters network traffic based on predefined rules.D. A firewall ...