Computer science
  • 1. Computer science is the study of computers and computational systems. It involves understanding and designing algorithms to solve problems efficiently, as well as analyzing the complexity of systems. Computer science also encompasses the design and development of software and hardware components, such as programming languages, operating systems, and computer networks. This field is essential for advancements in technology and plays a crucial role in various industries, including healthcare, finance, and entertainment. Computer scientists work on a diverse range of projects, from creating artificial intelligence systems to developing new cybersecurity measures. Overall, computer science is a dynamic and ever-evolving field that drives innovation and shapes the future of technology.

    What does CPU stand for?
A) Computer Performance Unit
B) Computer Processing Unit
C) Central Processing Unit
D) Central Processor Unit
  • 2. Which programming language relies on indentation for code structure?
A) Java
B) C++
C) JavaScript
D) Python
  • 3. What is the binary equivalent of the decimal number 10?
A) 1101
B) 1010
C) 0011
D) 1110
  • 4. Which data structure uses LIFO (Last In, First Out) principle?
A) Stack
B) Linked List
C) Heap
D) Queue
  • 5. Which company developed the Java programming language?
A) IBM
B) Sun Microsystems
C) Apple
D) Microsoft
  • 6. What does SQL stand for?
A) Systematic Query Language
B) Simple Query Language
C) Structured Query Language
D) Sequential Query Language
  • 7. Which sorting algorithm has a worst-case time complexity of O(n2)?
A) Bubble Sort
B) Heap Sort
C) Merge Sort
D) Quick Sort
  • 8. What does URL stand for?
A) Uniform Resource Locator
B) Unified Resource Listing
C) User Rank Logic
D) Universal Remote Link
  • 9. What is the primary purpose of an operating system?
A) Manage hardware and software resources
B) Produce graphics
C) Run applications
D) Connect to the internet
  • 10. Which data structure uses nodes and pointers?
A) Queue
B) Tree
C) Linked List
D) Array
  • 11. Which type of algorithm is used to find the shortest path in a graph?
A) Bubble Sort
B) Selection Sort
C) Quick Sort
D) Dijkstra's
  • 12. In object-oriented programming, what is a class?
A) User-defined function
B) Method of data storage
C) Blueprint for creating objects
D) Memory allocation unit
  • 13. What does LAN stand for?
A) Large Access Network
B) Long Antenna Node
C) Local Area Network
D) Low-bandwidth Application Node
  • 14. What does HTTP stand for?
A) Hyper Transfer Protocol
B) Hardware Transfer Process
C) Hypertext Transfer Protocol
D) High Tech Protocol
  • 15. What is a compiler in programming?
A) Database system
B) Debugging tool
C) Translates source code into machine code
D) Graphic design software
  • 16. What is the purpose of a firewall in computer security?
A) Encrypt data
B) Block access to websites
C) Monitor and control incoming/outgoing network traffic
D) Defragment hard drives
  • 17. What is a network protocol?
A) User authentication method
B) Set of rules for communication between devices
C) Coding standard
D) Software license agreement
  • 18. What is the primary purpose of version control systems like Git?
A) Monitor hardware performance
B) Compile code for execution
C) Manage changes to source code over time
D) Optimize network connections
  • 19. Which of the following is a cloud computing service model?
A) Platform as a Service (PaaS)
B) Infrastructure as a Service (IaaS)
C) Desktop as a Service (DaaS)
D) Software as a Service (SaaS)
  • 20. What does DNS stand for?
A) Domain Name System
B) Distributed Network Server
C) Digital Network Service
D) Data Network Security
  • 21. What is the function of a router in a network?
A) Display web pages
B) Store data permanently
C) Direct data packets between networks
D) Convert data into sound waves
  • 22. What does API stand for in programming?
A) Abstract Programming Instrument
B) Advanced Program Integration
C) Automated Protocol Interface
D) Application Programming Interface
  • 23. Which company developed the C programming language?
A) IBM
B) Microsoft
C) Bell Labs
D) Apple
  • 24. What is recursion in programming?
A) Parallel processing technique
B) Convert source code to machine code
C) Interpreting assembly language
D) A function calling itself
  • 25. Which data structure uses First In, First Out (FIFO) approach?
A) Array
B) Linked List
C) Queue
D) Stack
  • 26. What is the most popular version control system used in software development?
A) SVN
B) Git
C) Mercurial
D) CVS
  • 27. What type of authentication involves using something you know and something you have?
A) Access control
B) Biometric authentication
C) Single sign-on
D) Two-factor authentication
  • 28. Which software development methodology emphasizes iterative and incremental development?
A) Scrum
B) Waterfall
C) Lean
D) Agile
  • 29. Which database model organizes data into tables with rows and columns?
A) Relational
B) Hierarchical
C) Graph
D) NoSQL
  • 30. What is the binary equivalent of the decimal number 25?
A) 11101
B) 10010
C) 10110
D) 11001
  • 31. What is the process of finding errors and fixing them in a program called?
A) Compiling
B) Programming
C) Running
D) Debugging
  • 32. Which of the following is a type of network topology?
A) Ring
B) Mesh
C) Star
D) Bus
  • 33. Which programming language is often used for web development?
A) Python
B) C++
C) Swift
D) JavaScript
  • 34. What does CSS stand for?
A) Code Syntax System
B) Content Structure System
C) Computer System Software
D) Cascading Style Sheets
  • 35. What does RAM stand for?
A) Random Access Memory
B) Resource Allocation Manager
C) Read-Only Memory
D) Remote Access Module
  • 36. Which programming language is often used for developing Android apps?
A) Ruby
B) Python
C) Java
D) C#
  • 37. Which company developed the Python programming language?
A) Larry Page
B) Bill Gates
C) Mark Zuckerberg
D) Guido van Rossum
  • 38. Which networking protocol is used to transfer web pages over the internet?
A) HTTP
B) SSH
C) FTP
D) SMTP
  • 39. What is the fundamental unit of storage in a computer's memory system?
A) Nibble
B) Byte
C) Word
D) Bit
  • 40. Which component of a computer is responsible for storing data long-term?
A) Graphics Card
B) RAM
C) Hard drive
D) CPU
  • 41. What does IDE stand for in software development?
A) Interface Development Engine
B) Integrated Development Environment
C) Internet Development Enterprise
D) Interactive Design Environment
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