Basic computer Knowledge for Interview Tests with answers

Basic computer Knowledge for Interview Tests with answers


    1. The length of 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 a MS Access Database is? Ans. mdb.

    6. The key combination used to permanently delete a file from 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 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 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. 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 are: Ans. 12

    53. A bit can be _______ . Ans. 1 or 0

    54. Which of the following protocol is used to access Webpages on World Wide Web? Ans. HTTP

    55. Which of the following option is not true for FORTRAN? Ans. Translation

    56. A network that covers small geographic area or 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 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

    Kbps Kilobits Per Second

    LAN Local-Area Network

    LCD Liquid Crystal Display

    LED Light Emitting Diode

    LPT Line Printer 

    LPT1 First Parallel Printer Port

    LPT2 Second Parallel Printer Port

    MP3 MPEG Player lll

    MP4 MPEG Player IV

    Mbps Megabits Per Second

    Microsoft Micro Computer Software

    MPEG Motion Picture Experts Group

    NTFS New Technology File System

    OCR Optical Character Readers

    OMR Optical Mark Reader

    OS Operating System

    PDF Portable Document Format

    PNG Portable Network Graphics

    POST Power On Self-Test

    PPM Pages Per Minute (Generally refers to the Speed of a Printer)

    PS/2 Personal System/2

    RAM Random Access Memory

    RGB Red Green Blue

    ROM Read-Only Memory

    RTF Rich Text Format

    Windows Shortcuts

    Tab=Move forward through the options

    Shift + Tab=Move backward through the options

    Ctrl + Tab=Move forward through the tabs

    Ctrl + Shift + Tab=Move backward through the tabs

    Alt + Tab=Switch between open items

    Ctrl + Alt + Tab=Use the arrow keys to switch between open items

    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


    Ctrl + Shift + Alt +  B =Black & White Layer

    Ctrl + Shift + Alt +  D =Convert to Smart objects

    Ctrl + Shift + Alt +  G =Gaussian Blur

    Ctrl + Shift + Alt +  J =New Layer via cut (show dialog)

    Ctrl + Shift + Alt +  N =New blank layer (No dialog)

    Ctrl + Shift + Alt +  V =Paste in Selection

    Ctrl + Shift + Alt +  Y =Reveal All

    Ctrl + Shift + Alt +  < =Decrease type size by 10 pt

    Ctrl + Shift + Alt +  > =Increase type size by 10 pt

    Photoshop Keyboard Shortcuts / Selection Tools

    Magic Wand Tool - Hit the letter “W” on your keyboard

    Add to Selection - Hold Shift key while using a selection tool

    Marquee Selection Tool - Hit the letter “M” on your keyboard

    Deselect - Command/Ctrl + D

    Lasso Tool - Hit the letter “L” on your keyboard

    Pen Tool - Hit the letter “P” on your keyboard

    Load Pen Path Selection - Once you have a closed path, hit Command/Ctrl + Enter to load the selection

    Create Bezier Curve - With the pen tool selected (letter P) click to add an anchor point, then click and drag to add another

    Excel Navigational Shortcuts

    ArrowUP =Moves one cell (row) up

    ArrowDown =Moves one cell (row) down

    ArrowLeft =Moves one cell (column) right

    ArrowRIGHT =Moves one cell (column) left

    Ctrl+ArrowUP =Moves to next region above

    Ctrl+ArrowDOWN =Moves to next region below

    Ctrl+ArrowLEFT =Moves to next region on left

    Ctrl+ArrowRIGHT =Moves to next region on right

    ScrollLockON+ArrowUP =Scrolls worksheet up

    ScrollLockON+ArrowDOWN =Scrolls worksheet down

    ScrollLockON+ArrowRIGHT =Scrolls 

    worksheet right

    ScrollLockON+ArrowLEFT =Scrolls worksheet left   prepared by sany balouch