multiple-choice questions (MCQs) related to computer science along with their answers:
1. What does CPU stand for?
a) Computer Processing Unit
b) Central Processing Unit
c) Computer Programming Unit
d) Central Programming Unit
Answer: b) Central Processing Unit
2. Which of the following is not a programming language?
a) Java
b) HTML
c) CSS
d) SQL
Answer: c) CSS
3. What does HTML stand for?
a) Hyper Text Markup Language
b) High-level Text Management Language
c) Hyperlink and Text Markup Language
d) Hyperlinking and Text Management Language
Answer: a) Hyper Text Markup Language
4. What is the binary equivalent of the decimal number 10?
a) 1010
b) 1100
c) 1111
d) 1000
Answer: a) 1010
5. Which data structure uses First In, First Out (FIFO) principle?
a) Stack
b) Queue
c) Linked List
d) Tree
Answer: b) Queue
6. What is the full form of SQL?
a) Structured Query Language
b) Sequential Query Language
c) Standard Query Language
d) System Query Language
Answer: a) Structured Query Language
7. Which sorting algorithm has the worst time complexity?
a) Quick Sort
b) Merge Sort
c) Bubble Sort
d) Insertion Sort
Answer: c) Bubble Sort
8. What does LAN stand for?
a) Local Access Network
b) Large Area Network
c) Longitudinal Area Network
d) Local Area Network
Answer: d) Local Area Network
9. What is the purpose of a compiler?
a) To convert high-level language code to machine code
b) To execute program instructions
c) To debug programs
d) To manage memory allocation
Answer: a) To convert high-level language code to machine code
10. Which programming paradigm emphasizes on breaking down a problem into smaller, reusable parts?
a) Procedural programming
b) Object-oriented programming
c) Functional programming
d) Imperative programming
Answer: b) Object-oriented programming
11. What is TCP/IP?
a) A programming language
b) A network protocol suite
c) A database management system
d) An operating system
Answer: b) A network protocol suite
12. What is the purpose of an operating system?
a) To perform arithmetic calculations
b) To manage hardware resources
c) To design user interfaces
d) To write code for applications
Answer: b) To manage hardware resources
13. Which of the following is a non-volatile memory?
a) RAM
b) ROM
c) Cache
d) Virtual Memory
Answer: b) ROM
14. What is the binary equivalent of the hexadecimal number A5?
a) 10100101
b) 10101101
c) 11001010
d) 10001011
Answer: c) 11001010
15. Which of the following is not a type of network topology?
a) Star
b) Mesh
c) Linear
d) Ring
Answer: c) Linear
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