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


    In_Photoshop


    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

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