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