Computer Fundamentals Questions And Answers Pdf : Computer is an important subject for competitive exams. Questions of this come every year in Bank, Railway Exam, Police, SSC CGL and CHSL, UPSC, IAS, SBI PO, Clerks, IBPS and all other competitive exams. Students who are preparing for competitive exams, it is very important for them to have knowledge about computer general knowledge. Therefore, below we are giving you some important questions related to computer on Computer Fundamentals Questions and Answers. These questions have already come in competitive exams and will be asked in future as well. Therefore, you should remember these questions and answers well.
Question 1. What does the central processing unit (CPU) of a computer do?
(A) Stores data
(B) Processes data
(C) Transfers data
(D) Prints data
Answer: Processes data
Question 2. Computer memory is divided into two main parts, what are they?
(A) RAM and ROM
(B) CPU and GPU
(C) SSD and HDD
(D) Keyboard and Monitor
Answer: RAM and ROM
Question 3. What is the full form of ROM?
(A) Read-Only Memory
(B) Random-Only Memory
(C) Read-Optical Memory
(D) Random-Optical Memory
Answer: Read-Only Memory
Question 4. What are the four main functions of CPU?
(A) Input, Output, Storage, Processing
(B) Input, Storage, Output, Communication
(C) Processing, Storage, Retrieval, Output
(D) Input, Processing, Storage, Output
Answer: Input, Processing, Storage, Output
Question 5. What is the full form of RAM?
(A) Read-Access Memory
(B) Random-Access Memory
(C) Read-Only Memory
(D) Random-Only Memory
Answer: Random-Access Memory
Question 6. A byte is a group of how many bytes?
(A) 4
(B) 8
(C) 16
(D) 32
Answer: 8
Question 7. The first computer virus is known by which name?
(A) Creeper Virus
(B) ILOVEYOU Virus
(C) Melissa Virus
(D) Code Red Virus
Answer: Creeper Virus
Question 8. The computer language which is easy for humans to understand is called what?
(A) Assembly Language
(B) High-Level Language
(C) Machine Language
(D) Binary Language
Answer: High-Level Language
Question 9. What is the common form of a hard drive?
(A) SSD
(B) CD
(C) DVD
(D) Floppy Disk
Answer: SSD
Question 10. What is the purpose of booting process?
(A) Starting the system
(B) Turning on the printer
(C) Connecting to the network
(D) Sending email
Answer: Starting the system
Question 11. What is the full form of a pixel?
(A) Picture Element
(B) Pixel Element
(C) Picture Entry
(D) Pixel Entry
Answer: Picture Element
Question 12. Which unit of the computer is called the “brain”?
(A) RAM
(B) Hard Disk
(C) CPU
(D) Monitor
Answer: CPU
Question 13. Devices that connect a computer to external devices are called what?
(A) Interface
(B) Port
(C) Connector
(D) Adapter
Answer: Port
Question 14. What is the main function of an operating system for a computer?
(A) Establishing a connection between hardware and software
(B) Encrypting data
(C) Browsing the Internet
(D) Playing games
Answer: Establishing a connection between hardware and software
Question 15. Which is the most famous example of the first generation of microprocessors?
(A) Intel 4004
(B) Intel 8086
(C) Intel 80386
(D) Intel Pentium
Answer: Intel 4004
Question 16. What is the full form of ‘LAN’ in computer network?
(A) Local Area Network
(B) Long Area Network
(C) Large Area Network
(D) Light Area Network
Answer: Local Area Network
Question 17. What is the full form of ‘URL’?
(A) Uniform Resource Locator
(B) Universal Resource Locator
(C) Uniform Registered Locator
(D) Universal Registered Locator
Answer: Uniform Resource Locator
Question 18. What is the full form of ‘GUI’?
(A) Graphical User Interface
(B) General User Interface
(C) Graphical Uniform Interface
(D) General Uniform Interface
Answer: Graphical User Interface
Question 19. Which unit of the computer has the largest storage capacity of data?
(A) RAM
(B) ROM
(C) Hard Disk
(D) Cache
Answer: Hard Disk
Question 20. What is the smallest unit of a computer’s one bit?
(A) 1
(B) 2
(C) 4
(D) 8
Answer: 1
Question 21. Which type of computer memory is called temporary?
(A) ROM
(B) Cache
(C) RAM
(D) Hard Disk
Answer: RAM
Question 22. Which device is used to input data into the computer?
(A) Monitor
(B) Printer
(C) Keyboard
(D) Speaker
Answer: Keyboard
Question 23. What is the full form of ‘HTTP’?
(A) Hypertext Transfer Protocol
(B) Hypertext Transfer Program
(C) Hypertext Transmission Protocol
(D) Hyper Transfer Text Protocol
Answer: Hypertext Transfer Protocol
Question 24. Which is an example of word processing software?
(A) Excel
(B) Photoshop
(C) Word
(D) PowerPoint
Answer: Word
Question 25. What is the full form of ‘DOS’?
(A) Disk Operating System
(B) Digital Operating System
(C) Direct Operating System
(D) Disk Offline System
Answer: Disk Operating System
Question 26. Which process takes place to ‘boot’ a computer?
(A) BIOS Initialization
(B) Operating System Installation
(C) Software Update
(D) Virus Scan
Answer: BIOS Initialization
Question 27. What is the full form of ‘USB’?
(A) Universal Serial Bus
(B) Universal Service Bus
(C) Universal System Bus
(D) Universal Storage Bus
Answer: Universal Serial Bus
Question 28. What is a computer virus?
(A) A type of software
(B) A type of hardware
(C) A type of network
(D) A type of data
Answer: A type of software
Question 29. Computer’s ‘memory’ can be divided into which two parts?
(A) RAM and ROM
(B) HDD and SSD
(C) CPU and GPU
(D) LAN and WAN
Answer: RAM and ROM
Question 30. What is the full form of ‘E-mail’?
(A) Electronic Mail
(B) Enhanced Mail
(C) Electronic Message
(D) Enhanced Message
Answer: Electronic Mail
Question 31. What is the function of ‘cache’ memory in a computer?
(A) To store data permanently
(B) To store data temporarily
(C) To process data very fast
(D) To send data over the network
Answer: To process data very fast
Question 32. What is the full form of ‘CPU’?
(A) Central Processing Unit
(B) Central Program Unit
(C) Central Power Unit
(D) Central Processing Unit
Answer: Central Processing Unit
Question 33. Which is an example of ‘Spreadsheet’ software?
(A) Word
(B) Excel
(C) PowerPoint
(D) Photoshop
Answer: Excel
Question 34. What is the full form of ‘BIOS’?
(A) Basic Input Output System
(B) Binary Input Output System
(C) Basic Integrated Output System
(D) Binary Integrated Output System
Answer: Basic Input Output System
Question 35. What is the full form of ‘Internet’?
(A) International Network
(B) Internal Network
(C) Integrated Network
(D) International Web
Answer: International Network
Question 36. What is the main function of ‘Hard Drive’ in a computer?
(A) Storing data temporarily
(B) Storing data permanently
(C) Processing data
(D) Transferring data
Answer: Storing data permanently
Question 37. What is the full form of ‘PDF’?
(A) Portable Document Format
(B) Portable Data Format
(C) Portable Digital Format
(D) Portable Document File
Answer: Portable Document Format
Question 38. What is the main function of ‘Firewall’?
(A) Protecting the computer from viruses
(B) Providing network security
(C) Taking data backup
(D) Updating software
Answer: Providing network security
Question 39. What is the ‘Motherboard’ of a computer?
(A) A type of software
(B) A type of hardware
(C) A type of network
(D) A type of data
Answer: A type of hardware
Question 40. Which kind of memory is called ‘RAM’?
(A) Temporary memory
(B) Permanent memory
(C) ROM memory
(D) Virtual memory
Answer: Temporary memory
Question 41. What is the full form of ‘L’ in ‘URL’?
(A) Locator
(B) Link
(C) Language
(D) Location
Answer: Locator
Question 42. What does the ‘Operating System’ do for a computer?
(A) Establishes communication between hardware and software
(B) Browses the Internet
(C) Encrypts data
(D) Prints data
Answer: Establishes communication between hardware and software
Question 43. In which unit of the computer the data is stored temporarily?
(A) ROM
(B) Hard Disk
(C) RAM
(D) SSD
Answer: RAM
Question 44. What is the use of ‘Graphics Card’ in computer?
(A) Processing graphics and video
(B) Storing data
(C) Installing software
(D) For printing
Answer: Processing graphics and video
Question 45. Which element of ‘Operating System’ is used?
(A) User Interface
(B) Data Storage
(C) Network Connectivity
(D) Virus Protection
Answer: User Interface
Question 46. What is the ‘Software’ of a computer?
(A) Parts of hardware
(B) Method of data processing
(C) Process of storing data
(D) A program and operating system
Answer: A program and operating system
Question 47. What is the ‘Keyboard’ used for?
(A) To input data
(B) To store data
(C) To print data
(D) To transfer data
Answer: To input data
Question 48. What is the full form of ‘Wi-Fi’?
(A) Wireless Fidelity
(B) Wireless Field
(C) Wireless Frequency
(D) Wireless Fidelity
Answer: Wireless Fidelity
Question 49. Which is the most common of the computer’s ‘Storage Devices’?
(A) Monitor
(B) Keyboard
(C) Hard Disk
(D) Mouse
Answer: Hard Disk
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