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 .
Explain the concept of caching in computer architecture. | caching.
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A. Caching stores data permanently.B. Caching slows down data access.C. Caching only works with main memory.D. Caching improves data access speed by storing frequently ...
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What is the role of a network router in a.
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A. To connect different networks and forward data packets.B. To act as a switch for local network communication.C. To provide internet access to a single device.
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Explain the concept of inheritance in object-oriented programming. | inheritance.
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A. Inheritance allows classes to share data but not methods.B. Inheritance is a way to create independent classes without any relation.C. Inheritance allows a class to inherit properties ...
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What is a binary tree, and how does it differ.
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A. A binary tree is a type of binary search tree.B. A binary search tree is a type of binary tree with a specific ordering.C. There is no ...
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Describe the different types of network topologies. | topologies &.
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A. Bus, Star, Ring, Mesh, TreeB. Client-Server, Peer-to-PeerC. LAN, WAN, MAND. Ethernet, Wi-Fi, Bluetooth
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What are the key features of object-oriented programming (OOP)? |.
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A. Sequential execution of code.B. Use of functions and procedures.C. Encapsulation, inheritance, polymorphism, and abstraction.D. Focus on data structures and algorithms.
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Explain the concept of garbage collection in programming languages. |.
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A. Garbage collection manually deallocates memory.B. Garbage collection is only used in low-level programming languages.C. Garbage collection automatically reclaims memory occupied by unreachable objects.D. ...
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What is the purpose of a compiler? | compilers &.
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A. To interpret source code line by lineB. To translate source code into machine codeC. To debug source codeD. To execute source code directly
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What are the different types of database models? | model.
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A. Relational, Hierarchical, Network, Object-Oriented, GraphB. Relational, NoSQL, Cloud-basedC. SQL, NoSQL, XMLD. Only Relational and NoSQL
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What is the difference between IPv4 and IPv6? | ipv4.
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A. IPv4 uses 128-bit addresses, while IPv6 uses 32-bit addresses.B. IPv4 is more secure than IPv6.C. IPv4 has a much larger address space than IPv6.