Basic Computer Knowledge

Basic Computer Knowledge

  1. The length of the IP address is? Ans. 32 bits
  2. Facebook was launched in? Ans. 2004
  3. The docx file contains? Ans: MS Office Word
  4. The file extension DLL stands for? Ans. Dynamic Link Library
  5. The extension of an MS Access Database is? Ans. MDB.
  6. The key combination used to permanently delete a file from a Windows computer? Ans. Shift + delete
  7. Shortcut Key to open a new document is? Ans. Ctrl + N
  8. Data is permanently stored in? Ans. Hard Disk
  9. What are the steps to upgrade a 32-bit version to a 64-bit version of Windows? Ans. It cannot be upgraded
  10. To change a lowercase letter to uppercase and uppercase letter to lowercase select? Ans. Sentence Case
  11. CSS stands for Ans. Cascading Style Sheets
  12. The general format of the URL is as follows: Ans. type: // Address /path /
  13. The computer abbreviation “OS” stands for Ans. Operating System
  14. The shortcut key to delete a file without sending it to recycle Bin is Ans. Shift + Del
  15. How many versions of Windows 8 for PC have been released? Ans. 3 versions
  16. A group of 8 bits is called: Ans. Byte
  17. To subscript a text, shortcut key is: Ans. Ctrl + <
  18. The file extension .jsp stands for: Ans. Java Server Page
  19. What is the full form of WWW? Ans. World Wide Web
  20.  The microphone converts the sound into: Ans. Electrical Signals
  21. A device which connects multiple nodes to the network is: Ans. A hub
  22. Windows 7 was released in which year?
  23. What is Windows XP? Ans. An operating system
  24. ATM stands for: Ans. Automated Teller Machine
  25. Which one of these is used to find information on World Wide Web? Ans. Search Engine
  26. “.gif” is an extension of which type of file? Ans. Image
  27. Who is the founder of IBM Company? Ans. Thomas J. Watson
  28. Volatile Memory is: Ans. Ram
  29. When you delete an object, Windows XP sends it to: Ans. Recycle Bin
  30. A folder in windows c can’t be made with the name: Ans. Con/Com1/Com2/Com3
  31. Copying a software without purchasing it is ___ . Ans. Software Piracy
  32. Ctrl + F2 shortcut is used for:
  33. What is the use of Firewall in a computer? Ans. For security
  34. What is the full form of ISO? Ans. International Standard Organization
  35. A network that covers large area, city, country and World is called: Ans. WAN
  36. The transfer of data from one place to another is called: Ans. Data Communication
  37. Green wavy lines under text indicate? Ans. Grammatical Mistake
  38. SQL is a 👎 : Ans. Structured Query Language
  39. Windows 8 was released in which year? Ans. 2011
  40. Which one is an Operating System? Ans. Windows Vista
  41. A Terabyte represents about: Ans. 1 trillion bytes
  42. The file extension PNG stands for: Ans. Portable Network Graphic File
  43. The card which is used for internet: Ans. Modem Card
  44. In Windows 10, what is the shortcut key to Open programs that are pinned to task bar? Ans. Windows + [1][2][3][…]
  45. What is meaning of .mng? Ans. Multiple Network Graphic
  46. Windows 7 is preceded by which version of the windows? Ans. Windows Vista
  47. What is the name of new built-in browser includes in Windows 10? Ans. Super Internet Explorer Pro
  48. The Analog signal is measured in: Ans. Volts
  49. In Windows 7, what is the shortcut key for creating a New Folder? Ans:Ctrl + Shift + N
  50. What is the full form of TCP? Ans. Transmission Control Protocol
  51. Arithmetic Logic Unit (ALU) can do Ans. Logical Operation, Mathematical Operation
  52. The total number of function keys in a computer keyboard is: Ans. 12
  53. A bit can be ___ . Ans. 1 or 0
  54. Which of the following protocol is used to access Webpages on the World Wide Web? Ans. HTTP
  55. Which of the following option is not true for FORTRAN? Ans. Translation
  56.  A network that covers a small geographic area or a single or group of buildings is called: Ans. LAN
  57. Which one of the following is Internet Protocol? Ans. TCP/IP
  58. The upper most bar showing the name of the application is called: Ans. Title Bar
  59. Which of the following is the founder of Facebook? Ans. Mark Zuckerberg
  60. Shortcut for Save as the command is: Ans. F12
  61. By default, the bar located at the bottom of the desktop is: Ans. Taskbar
  62. What is the full form of Wi-Fi? Ans. Wireless Fidelity
  63. The output of the printer is known as: Ans. Hard Copy
  64. Which of the following is an email client? Ans. Yahoo
  65. Laser beam technology is used in one of the following: Ans. Optical Disks
  66. All the files deleted from computer are stored in ____. Ans. Recycle Bin
  67. What is the full form of PDF? Ans. Portable Document Format
  68. The Google IPO was done in: Ans. 2004
  69. Shortcut Key to center a Paragraph is: Ans. Ctrl + E
  70. A Search Engine is: Ans. A website that look through databases for matching criteria
  71. Windows 10 was launched in which year? Ans. 2015
  72. Printer is an example of: Ans. Hardcopy
  73. Who invented the Qwerty Keyboard? Ans: Christopher Latham Sho

Important Abbreviations

  1. Kbps Kilobits Per Second
  2. LAN Local-Area Network
  3. LCD Liquid Crystal Display
  4. LED Light Emitting Diode
  5. LPT Line Printer
  6. LPT1 First Parallel Printer Port
  7. LPT2 Second Parallel Printer Port
  8. MP3 MPEG Player lll
  9. MP4 MPEG Player IV
  10. Mbps Megabits Per Second
  11. Microsoft Micro Computer Software
  12. MPEG Motion Picture Experts Group
  13. NTFS New Technology File System
  14. OCR Optical Character Readers
  15. OMR Optical Mark Reader
  16. OS Operating System
  17. PDF Portable Document Format
  18. PNG Portable Network Graphics
  19. POST Power On Self-Test
  20. PPM Pages Per Minute (Generally refers to the Speed of a Printer)
  21. PS/2 Personal System/2
  22. RAM Random Access Memory
  23. RGB Red Green Blue
  24. ROM Read-Only Memory
  25. RTF Rich Text Format

Windows Shortcuts

  1. Tab=Move forward through the options
  2. Shift + Tab=Move backward through the options
  3. Ctrl + Tab=Move forward through the tabs
  4. Ctrl + Shift + Tab=Move backward through the tabs
  5. Alt + Tab=Switch between open items
  6. Ctrl + Alt + Tab=Use the arrow keys to switch between open items

More About Computer

Name of Five Web domains

.net, .com, .biz, .org, .edu

Name of Five Data Measurement Units:

TB, GB, MB, KB, Byte

Name of Five programming Languages:

CSS, SQL, Java, PHP, Python

Name of Five Numbering system:

Binary Numbers, Base 5, Octal System (Base 8), Decimal System, Hexadecimal System

Name of Five Processor Manufactures:

Intel, AMD, IBM, NVidia, Qualcomm

Name of Five Products by Apple:

iPhone, iMac, iTunes, iPod, iPad

Name of Five Camera Manufactures:

Canon, Nikon, Sony, Olympus, Panasonic

Name of Five Color Schemes:

CMYK, RGB, HSB, Web Safe Colors, SVG Colors

Name of Five products by Google

Google (Search Engine), Google (Chrome), Gmail, Android, YouTube

Name of Five Versions of Microsoft Office:

Office 365 (Cloud based), Office 2019, Office 2016, Office 2013, Office 2010


  1. Ctrl + Shift + Alt + B =Black & White Layer
  2. Ctrl + Shift + Alt + D =Convert to Smart objects
  3. Ctrl + Shift + Alt + G =Gaussian Blur
  4. Ctrl + Shift + Alt + J =New Layer via cut (show dialog)
  5. Ctrl + Shift + Alt + N =New blank layer (No dialog)
  6. Ctrl + Shift + Alt + V =Paste in Selection
  7. Ctrl + Shift + Alt + Y =Reveal All
  8. Ctrl + Shift + Alt + < =Decrease type size by 10 pt
  9. Ctrl + Shift + Alt + > =Increase type size by 10 pt
  10. Photoshop Keyboard Shortcuts: Selection Tools
  11. Magic Wand Tool – Hit the letter “W” on your keyboard
  12. Add to Selection – Hold Shift key while using a selection tool
  13. Marquee Selection Tool – Hit the letter “M” on your keyboard
  14. Deselect – Command/Ctrl + D
  15. Lasso Tool – Hit the letter “L” on your keyboard
  16. Pen Tool – Hit the letter “P” on your keyboard
  17. Load Pen Path Selection – Once you have a closed path, hit Command/Ctrl + Enter to load the selection
  18. Create Bezier Curve – With the pen tool selected (letter P) click to add an anchor point, then click and drag to add another


  1. ArrowUP =Moves one cell (row) up
  2. ArrowDown =Moves one cell (row) down
  3. ArrowLeft =Moves one cell (column) right
  4. ArrowRIGHT =Moves one cell (column) left
  5. Ctrl+ArrowUP =Moves to next region above
  6. Ctrl+ArrowDOWN =Moves to next region below
  7. Ctrl+ArrowLEFT =Moves to next region on left
  8. Ctrl+ArrowRIGHT =Moves to next region on right
  9. ScrollLockON+ArrowUP =Scrolls worksheet up
  10. ScrollLockON+ArrowDOWN =Scrolls worksheet down
  11. ScrollLockON+ArrowRIGHT =Scrolls #worksheet right
  12. ScrollLockON+ArrowLEFT =Scrolls worksheet left design websites and even develop apps for different types of operating systems. AMfahs build corporate web-based systems to help enterprises automate processes, increase productivity, and facilitate workflow management. is here to help needy people.
We give updates to students about scholarships and job seekers to find the best job in the public and private sectors.
If you want any help feel relax to contact us on WhatsApp
And if you want to join our WhatsApp group for the latest jobs and scholarship information.
Both groups have the same updates so please join only one group
Whatsapp Group link 1


Whatsapp Group link 2


1 thoughts on “Basic Computer Knowledge

  1. Caitlyn says:

    Hello There. I found your blog using MSN. This is an extremely well-written article.
    I will be sure to bookmark it and return to read more of your useful info.
    Thanks for the post. I will certainly comeback.

Leave a Reply

Your email address will not be published. Required fields are marked *