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 .
Describe the different layers of the OSI model. | osi.
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A. The OSI model has five layers.B. The transport layer is responsible for physical transmission of bits.C. The application layer handles data formatting and encryption.
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What is the role of a version control system (VCS)?
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A. VCS primarily manages project documentation.B. VCS helps in creating executable files.C. VCS only tracks changes made by a single user.D. VCS facilitates collaboration ...
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What are the different types of network topologies? | topologies.
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A. Star topology is the most expensive topology.B. Bus topology is the most reliable topology.C. Mesh topology offers high redundancy.D. Ring topology is the ...
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Explain the concept of recursion in programming. | calls recursive.
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A. Recursion is always more efficient than iteration.B. Recursion avoids the use of loops completely.C. A recursive function must always have a base case to prevent infinite recursion.
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What is the difference between a relational database and a.
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A. NoSQL databases are faster than relational databases for all applications.B. Relational databases are better suited for large-scale, distributed applications.C. NoSQL databases offer more flexibility in data modeling ...
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What are the advantages and disadvantages of using arrays? |.
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A. Advantages: Fast insertion and deletion; Disadvantages: Slow random access.B. Advantages: Simple implementation and efficient random access; Disadvantages: Fixed size and inefficient insertions/deletions.C. Advantages: Dynamic size and efficient ...
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What is a linked list data structure? | linked lists.
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A. A type of array.B. A data structure where elements are stored at contiguous memory locations.C. A linear data structure where elements are not stored at contiguous memory ...
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Explain the concept of normalization in database design. | normalization.
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A. A process to speed up database queries.B. A method for securing database data.C. A systematic process of organizing data to reduce redundancy and improve data integrity.
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What is the purpose of software testing? | testing exist.
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A. To find and fix bugs.B. To improve the software's performance.C. To ensure the software meets requirements and functions correctly.D. To write better code.
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Describe different types of network attacks. | ddos attacks &.
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A. DoS, DDoS, and Malware only.B. Phishing and Social Engineering only.C. DoS, DDoS, MitM, SQL injection, Phishing, and Malware.D. None of the above.