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