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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 3 of 198 pages
Question 21.  a hand-held device for optically reading bar codes on goods, labels & shelves is
  1.    Wand
  2.    Light pen
  3.    Mouse
  4.    Touch tablet
 Discuss Question
Answer: Option A. -> Wand
Explanation :
Question 22.  ocr stands for ........................... .
  1.    Optical Character Recognition
  2.    Optical CPU Recognition
  3.    Optimal Character Rendering
  4.    Other Character Restoration
 Discuss Question
Answer: Option A. -> Optical Character Recognition
Explanation :
Question 23.  what is a keyboard used for?
  1.    Input text and numbers and send commands to the computer
  2.    To create new keys to use with your computer
  3.    To open the computer up
  4.    To create pictures and images and send them to your computer
 Discuss Question
Answer: Option A. -> Input text and numbers and send commands to the computer
Explanation :
Question 24.  the most common storage device for the personal computer is the ............................... .
  1.    floopy disk
  2.    USB thumb drive
  3.    zip disk
  4.    hard disk drive
 Discuss Question
Answer: Option A. -> floopy disk
Explanation :
Question 25.  the first computer was programmed using................................
  1.    Assembly language
  2.    Machine language
  3.    Apaghetti code
  4.    Source code
 Discuss Question
Answer: Option B. -> Machine language
Explanation :
Question 26.  which type of computer could be found in a digital watch?
  1.    Mainframe
  2.    Super computer
  3.    Embedded computer
  4.    Notebook computer
 Discuss Question
Answer: Option C. -> Embedded computer
Explanation :
Question 27.  a acronym for the organisation that publishes programming language standard is
  1.    ANSI
  2.    ASCn
  3.    EBCDIC
  4.    BCD
 Discuss Question
Answer: Option A. -> ANSI
Explanation :
Question 28.  typical acronym of reuseable optical storage will be ..................... .
  1.    CD
  2.    CD-RW
  3.    DVD
  4.    RPM
 Discuss Question
Answer: Option B. -> CD-RW
Explanation :
Question 29.  a ....................... is often used to select or highlight.
  1.    Mouse
  2.    Icon
  3.    Keyboard
  4.    Hard disk
 Discuss Question
Answer: Option A. -> Mouse
Explanation :
Question 30.  the instructions for starting the computer are housed in-
  1.    RAM
  2.    CD-ROM
  3.    ROM chip
  4.    All of these
 Discuss Question
Answer: Option C. -> ROM chip
Explanation :

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