Computer Science mcqs
### 1. Which of the following is not an operating system?
– a) Windows
– b) Linux
– c) Oracle
– d) Ubuntu
### 2. What does CPU stand for?
– a) Central Process Unit
– b) Central Processing Unit
– c) Computer Personal Unit
– d) Central Processor Unit
### 3. Which of the following is a programming language?
– a) HTTP
– b) HTML
– c) FTP
– d) Java
### 4. Which of the following is not a database management system (DBMS)?
– a) MySQL
– b) Oracle
– c) MS Access
– d) Visual Basic
### 5. What is the full form of HTML?
– a) HyperText Markup Language
– b) HighText Markup Language
– c) HyperTech Markup Language
– d) None of these
### 6. Which of the following is an example of a search engine?
– a) Google
– b) Yahoo
– c) Bing
– d) All of the above
### 7. Which protocol is used to transfer files between computers on a network?
– a) HTTP
– b) FTP
– c) SMTP
– d) SNMP
### 8. Which of the following is not a programming language?
– a) Python
– b) JavaScript
– c) MS Excel
– d) Java
### 9. Which of the following is not a type of software?
– a) System software
– b) Application software
– c) Utility software
– d) Peripheral software
### 10. Which of the following is used for web development?
– a) HTML
– b) CSS
– c) JavaScript
– d) All of the above
### 11. What does RAM stand for?
– a) Read Access Memory
– b) Random Access Memory
– c) Read And Memorize
– d) None of these
### 12. Which of the following is not an input device?
– a) Keyboard
– b) Monitor
– c) Mouse
– d) Scanner
### 13. Which company developed the Java programming language?
– a) Microsoft
– b) Google
– c) Sun Microsystems
– d) Apple
### 14. What does URL stand for?
– a) Uniform Resource Locator
– b) Uniform Resource Link
– c) Unified Resource Locator
– d) Universal Resource Locator
### 15. Which of the following is a type of network topology?
– a) Bus
– b) Ring
– c) Star
– d) All of the above
### 16. What is the full form of SQL?
– a) Structured Query Language
– b) Simple Query Language
– c) Sequential Query Language
– d) Standard Query Language
### 17. Which of the following is not a primary storage device?
– a) Hard disk
– b) RAM
– c) ROM
– d) Cache memory
### 18. Which of the following is an example of system software?
– a) Microsoft Word
– b) Linux OS
– c) Adobe Photoshop
– d) Firefox
### 19. What is the name of the first computer virus?
– a) Creeper
– b) Blaster
– c) ILOVEYOU
– d) Melissa
### 20. What is an IP address?
– a) Internet Protocol
– b) Intranet Protocol
– c) Inter-networking Protocol
– d) Internal Protocol
### 21. Which of the following is not a NoSQL database?
– a) MongoDB
– b) Cassandra
– c) SQLite
– d) CouchDB
### 22. What is a compiler?
– a) A program that converts high-level language into machine language
– b) A program that converts machine language into high-level language
– c) A program that converts assembly language into machine language
– d) None of these
### 23. Which of the following is not a cloud computing service model?
– a) IaaS
– b) PaaS
– c) SaaS
– d) BaaS
### 24. Which of the following is used to uniquely identify a computer on a network?
– a) IP address
– b) MAC address
– c) URL
– d) DNS
### 25. What does GUI stand for?
– a) Graphical User Interaction
– b) Graphical User Interface
– c) General User Interface
– d) Graphical Utility Interface
### 26. Which of the following is not a relational database?
– a) Oracle
– b) MySQL
– c) MongoDB
– d) PostgreSQL
### 27. What is the primary function of an operating system?
– a) To manage hardware and software resources
– b) To provide Internet access
– c) To act as a word processor
– d) To serve as a database management system
### 28. Which of the following is a network security protocol?
– a) SSL
– b) HTTP
– c) FTP
– d) SMTP
### 29. What does HTTP stand for?
– a) HyperText Transfer Protocol
– b) HyperText Transmission Protocol
– c) HighText Transfer Protocol
– d) Hyper Transfer Text Protocol
### 30. Which of the following is a storage device?
– a) Hard Disk Drive
– b) RAM
– c) CPU
– d) None of these
### 31. Which of the following is used to create web pages?
– a) JavaScript
– b) HTML
– c) CSS
– d) All of the above
### 32. Which of the following is not a version control system?
– a) Git
– b) SVN
– c) Mercurial
– d) Apache
### 33. Which of the following is an example of open-source software?
– a) Windows OS
– b) Linux OS
– c) Microsoft Office
– d) Adobe Photoshop
### 34. What is the function of DNS in a network?
– a) To translate domain names into IP addresses
– b) To secure the network
– c) To provide email services
– d) To encrypt data
### 35. Which of the following is not an operating system function?
– a) Memory management
– b) Process management
– c) Virus protection
– d) File management
### 36. Which of the following is a high-level programming language?
– a) C++
– b) Assembly
– c) Machine code
– d) None of these
### 37. What is the full form of API?
– a) Application Programming Interface
– b) Application Process Interface
– c) Application Programming Interaction
– d) Application Process Interaction
### 38. Which of the following is not a data structure?
– a) Array
– b) Linked List
– c) Stack
– d) Boolean
### 39. What does LAN stand for?
– a) Local Area Network
– b) Large Area Network
– c) Long Area Network
– d) Local Access Network
### 40. Which of the following is used to prevent unauthorized access to a network?
– a) Firewall
– b) Router
– c) Switch
– d) Hub
### 41. What does BIOS stand for?
– a) Basic Input Output System
– b) Basic Integrated Operating System
– c) Basic Interface Operating System
– d) Basic Input Operating System
### 42. Which of the following is not a type of computer network?
– a) LAN
– b) WAN
– c) CAN
– d) HAN
### 43. Which of the following is an example of a low-level programming language?
– a) Java
– b) Python
– c) Assembly
– d) PHP
### 44. What does DNS stand for?
– a) Domain Name System
– b) Domain Network System
– c) Data Name System
– d) Domain Network Server
### 45. Which of the following is not an antivirus software?
– a) Norton
– b) McAfee
– c) Ubuntu
– d) Kaspersky
### 46. What does TCP/IP stand for?
– a) Transmission Control Protocol/Internet Protocol
– b) Transfer Control Protocol/Internet Protocol
– c) Transmission Control Protocol/Internal Protocol
– d) Transfer Control Protocol/Internal Protocol