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

Photoshop

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

EXCEL SHORTCUTS

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

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