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