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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 102 of 198 pages
Question 1011.  which of the following translate back from machine code something resembling the source language
  1.    Compiler
  2.    Decompiler
  3.    Interpreter
  4.    Assembler
 Discuss Question
Answer: Option B. -> Decompiler
Explanation :
Question 1012.  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 1013.  who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
  1.    Pascal
  2.    Napier
  3.    Leibnitz
  4.    Babbage
 Discuss Question
Answer: Option C. -> Leibnitz
Explanation :
Question 1014.  a six - digit card field used for postal zip codes is defined as
  1.    An alphanumeric field
  2.    A numeric field
  3.    A letter field
  4.    A alphabetic field
 Discuss Question
Answer: Option B. -> A numeric field
Explanation :
Question 1015.  who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
  1.    Pascal
  2.    Napier
  3.    Leibnitz
  4.    Babbage
 Discuss Question
Answer: Option C. -> Leibnitz
Explanation :
Question 1016.  which of the following translate back from machine code something resembling the source language
  1.    Compiler
  2.    Decompiler
  3.    Interpreter
  4.    Assembler
 Discuss Question
Answer: Option B. -> Decompiler
Explanation :
Question 1017.  an error in computer data is called
  1.    Bug
  2.    Chip
  3.    Bit
  4.    Byte
 Discuss Question
Answer: Option A. -> Bug
Explanation :
Question 1018.  who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
  1.    Pascal
  2.    Napier
  3.    Leibnitz
  4.    Babbage
 Discuss Question
Answer: Option C. -> Leibnitz
Explanation :
Question 1019.  an error in computer data is called
  1.    Bug
  2.    Chip
  3.    Bit
  4.    Byte
 Discuss Question
Answer: Option A. -> Bug
Explanation :
Question 1020.  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 :

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