Thursday, November 26, 2015

computer

    1. 01 Tera byte is equal to how many bites?
      (a) 2^40
      (b) 2^30
      (c) 2^20
      (d) 2^10
      Answer
      (a)2^40
    2. Which of the following is not a type of primary storage?
      (a) RAM
      (b) ROM
      (c) Static RAM
      (d) EPROM
      (e) All are primary storage devices
      Answer
      (e) All are primary storage devices
    3. ‘Magnetic Drums are the examples of _____.
      (a) Input devices
      (b) Output devices
      (c) Neither (a) nor (b)
      (d) Memory device
      (e) None of these
      Answer
      (d) Memory devices
    4. _____uses a special ink that can be magnetized so that the individual characters can be recognized by the reader from the shape of wave form of the electrical pulse induced in the magnetism.
      (a) OMR
      (b) OCR
      (c) MICR
      (d) PoS terminals
      (e) None of these
      Answer
      (c) MICR
    5. Which of the following protects our system from hackers?
      (a) IP managers
      (b) Anti-virus
      (c) Passwords
      (d) Firewall
      (e)none of these
      Answer
      (d)Firewall
    6. Where is internal card connected in a computer?
      (a) USB port
      (b) Serial port
      (c) Expansion slot
      (d) Coaxial slots
      (e) None of these
      Answer
      (c) Expansion slot
    7. Which of the following is not a real security and privacy threat?
      (a) Viruses
      (b) Hackers
      (c) Trojan Horse
      (d) Spam
      (e) None of these
      Answer
      (d) Spam
    8. Which of the following uses icons and menus displayed on the screen to send command to the computer system?
      (a) API
      (b) GUI
      (c) System utility
      (d) User-interface commands
      (e) None of these
      Answer
      (b) GUI
    9. Which of the following can be defined as a systemized collection of records of information?
      (a) Records
      (b) Array
      (c) File
      (d) Character
      (e) Field
      Answer
      (c) File
    10. An array containing only numeric elements is known as
      (a) Field
      (b) List
      (c) Matrix
      (d) Record
      (e) None of these
      Answer
      (c) Matrix
    11. What is a single dimensional array called?
      (a) List
      (b) Key
      (c) Field
      (d) Character
      (e) None of these
      Answer
      (a) List
    12. Expand EDP.
      (a) Electronic drawing and painting
      (b) Electronic data processing
      (c) Electronic data programming
      (d) Electronic data processor
      (e) None of these
      Answer
      (b) Electronic data processing
    13. Which type of file can be defined as purely temporary files which are used for updating of master files?
      (a) Input file
      (b) Output file
      (c) Transaction files
      (d) Master files
      (e) None of these
      Answer
      (c)Transaction files
    14. What is the shortcut key combination for display of the print preview?
      (a) Ctrl + F3
      (b) Ctrl + Shift + F2
      (c) Ctrl + Shift + F3
      (d) Ctrl + F2
      (e) None of these
      Answer
      (d) Ctrl + F2
    15. What is the shortcut key to underline the word only of a selected sentence (not to underline the spaces between words)?
      (a) Ctrl + U
      (b) Ctrl + Alt + U
      (c) Ctrl + shift + W
      (d) Ctrl + Alt + H
      (e) None of these
      Answer
      (c) Ctrl + shift + W 

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