lecturer 1 mcq

Basic Computer Concepts – 50 MCQs 1. Which part of the computer is considered the “brain”? A) Monitor B) Keyboard C) CPU D) Printer 2. What does CPU stand for? A) Central Power Unit B) Central Processing Unit C) Computer Personal Unit D) Control Program Utility 3. Which of the following is hardware? A) Microsoft Word B) Keyboard C) Windows D) Excel 4. Which of the following is system software? A) Word Processor B) Operating System C) Spreadsheet D) Database 5. The physical parts of a computer are called: A) Software B) Hardware C) Data D) Program 6. Which company first developed the Apple computer? A) IBM B) Microsoft C) Jobs and Wozniak D) Intel 7. What is the main function of input devices? A) Display information B) Store information C) Send data to the computer D) Print data 8. Which of the following is an input device? A) Mouse B) Printer C) Monitor D) Speaker 9. Which device shows visual output? A) Scanner B) Keyboard C) Monitor D) Microphone.

10. What does “bit” stand for? A) Binary Digit B) Binary Code C) Basic Input Tool D) Base Integer 11. Eight bits make one: A) Byte B) Word C) Kilobyte D) Gigabyte 12. Which of these storage devices can be rewritten? A) CD-ROM B) DVD-ROM C) CD-RW D) Read-only disk 13. What is the standard unit to measure processor speed? A) DPI B) GHz C) Megabyte D) Dot pitch 14. What does RAM stand for? A) Random Access Memory B) Read All Memory C) Read Access Module D) Random Action Memory 15. ROM can be: A) Written and erased many times B) Read but not written C) Used for temporary storage D) Faster than RAM 16. What is the smallest unit of data storage? A) Byte B) Bit C) Word D) File 17. Which printer works like a photocopier? A) Inkjet printer B) Dot matrix printer C) Laser printer D) Line printer 18. The clarity of a monitor is measured by: A) Refresh rate B) Resolution C) Dot pitch only D) Screen size 19. What does LCD stand for? A) Light Crystal Display B) Liquid Crystal Display C) Low Control Display.

D) Logical Component Display 20. The first generation computers used: A) Vacuum tubes B) Transistors C) Microchips D) Integrated circuits 21. A byte is approximately equal to: A) 1 bit B) 8 bits C) 100 bits D) 1024 bits 22. Which of the following is a type of network? A) WAN B) LAN C) Both A and B D) None 23. What does LAN stand for? A) Large Area Network B) Local Area Network C) Limited Access Network D) Logical Area Node 24. A modem allows computers to communicate through: A) Power cables B) Telephone lines C) Optical disks D) USB 25. Which of the following is the fastest computer type? A) Microcomputer B) Minicomputer C) Mainframe D) Supercomputer 26. Which generation introduced transistors? A) First B) Second C) Third D) Fourth 27. Which of the following is NOT an output device? A) Printer B) Monitor C) Scanner D) Speaker 28. What is the function of cache memory? A) Stores data permanently B) Stores frequently used data for quick access C) Increases hard drive size D) Connects computer to network 29. ASCII code is used to represent: A) Colors.

B) Characters C) Numbers only D) Images 30. What is the main difference between hardware and software? A) Hardware is invisible B) Software is physical C) Hardware is tangible; software is not D) Both are physical 31. Which device can both input and output data? A) Keyboard B) Disk drive C) Mouse D) Printer 32. Which of these is a secondary storage device? A) RAM B) ROM C) Hard drive D) Cache 33. Which port is commonly used for printers? A) USB B) Serial C) Parallel D) SCSI 34. What is the purpose of a video card? A) Store data B) Process graphics C) Connect to network D) Print text 35. Which of the following is an example of application software? A) Windows B) DOS C) MS Word D) BIOS 36. A virus is a: A) Hardware device B) Type of printer C) Malicious software code D) Memory chip 37. Which of these protects a computer from viruses? A) BIOS B) Firewall C) Antivirus software D) Operating system 38. Which of the following connects multiple computers together? A) Server B) Keyboard C) Mouse D) UPS.

39. “Celeron” and “Pentium IV” are types of: A) Monitors B) Printers C) Processors D) Networks 40. What does DPI stand for in printers? A) Dots per Inch B) Data per Input C) Disk Print Index D) Digital Page Indicator 41. What is the function of a scanner? A) Input printed images into computer B) Print text documents C) Store data D) Display output 42. Which of these storage media has the largest capacity? A) Floppy disk B) CD-ROM C) DVD-ROM D) Hard disk 43. Which of the following is a portable storage device? A) Hard disk B) Tape drive C) USB drive D) Zip drive 44. The clock speed of a CPU is measured in: A) Bits per second B) Bytes C) Hertz D) DPI 45. The term “software bundle” refers to: A) Group of hardware parts B) Collection of programs sold together C) Internet service D) File compression tool 46. Which of the following is NOT a programming language? A) C++ B) Visual Basic C) Windows D) Java 47. A “server” in a network is: A) The main computer controlling resources B) A storage device C) A printer D) A client terminal 48. “Shareware” means: A) Software you can freely copy and use forever B) Software you can try and pay if you continue using it C) Software licensed to one user only.

D) Free software from open source 49. The main advantage of a DVD over a CD is: A) Cheaper B) Faster printing C) Higher storage capacity D) Better color display 50. Artificial Intelligence in computers refers to: A) Machines performing basic arithmetic B) Machines showing human-like thinking C) Hardware improvement D) Software packaging.

Answer Key – Basic Computer Concepts 1. C 2. B 3. B 4. B 5. B 6. C 7. C 8. A 9. C 10. A 11. A 12. C 13. B 14. A 15. B 16. B 17. C 18. B 19. B 20. A 21. B 22. C 23. B 24. B 25. D 26. B 27. C 28. B 29. B 30. C 31. B 32. C 33. C 34. B 35. C 36. C 37. C 38. A 39. C 40. A 41. A 42. D 43. C 44. C 45. B 46. C 47. A 48. B 49. C 50. B.