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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 134 of 198 pages
Question 1331.  which device can understand difference between data and programs?
  1.    Input device
  2.    Output device
  3.    Memory
  4.    Microprocessor
 Discuss Question
Answer: Option D. -> Microprocessor
Explanation :
Question 1332.  .................... is the maximum amount of data that can be stored on a storage medium.
  1.    Magnetic storage
  2.    Optical storage
  3.    Solid-state storage
  4.    Storage capacity
 Discuss Question
Answer: Option D. -> Storage capacity
Explanation :
Question 1333.  a cd-rw disk .................. .
  1.    has a faster access than an internal disk
  2.    is a form or optical disk, so it can only be written once
  3.    holds less data than a floppy disk
  4.    can be erased and rewritten
 Discuss Question
Answer: Option D. -> can be erased and rewritten
Explanation :
Question 1334.  which of the following can only have sequential access?
  1.    Disk
  2.    Tape
  3.    CD-ROM
  4.    DVD-ROM
 Discuss Question
Answer: Option B. -> Tape
Explanation :
Question 1335.  the term mips refers to _____
  1.    millions of instructions per second
  2.    multiple instructions per second
  3.    megabytes of instructions per seconds
  4.    millions input processor set
 Discuss Question
Answer: Option A. -> millions of instructions per second
Explanation :
Question 1336.  if a memory chip is volatile, it will ....................... .
  1.    explode if exposed to high temperatures
  2.    lose its contents if currents it turned off
  3.    be used for data storage only
  4.    be used to both read and write data
 Discuss Question
Answer: Option B. -> lose its contents if currents it turned off
Explanation :
Question 1337.  which of the following devices have a limitation that we can only read it but can not erase or modify it?
  1.    Tape drive
  2.    Hard disk
  3.    Compact disk
  4.    Floppy disk
 Discuss Question
Answer: Option C. -> Compact disk
Explanation :
Question 1338.  which of the following is the storage area within the computer itself which holds data only temporarily as the computer processes instruction?
  1.    the hard disk
  2.    main memory
  3.    the control unit
  4.    read only memory
 Discuss Question
Answer: Option B. -> main memory
Explanation :
Question 1339.  which of the following is the storage area within the computer itself which holds data only temporarily as the computer processes instruction?
  1.    the hard disk
  2.    main memory
  3.    the control unit
  4.    read only memory
 Discuss Question
Answer: Option B. -> main memory
Explanation :
Question 1340.  what characterstic of read only memory (rom) makes it useful?
  1.    ROM information can be easily updated
  2.    Data in ROM is non volatile, that is, it remains there even without electrical power
  3.    ROM provides very large amounts of inexpensive data storage
  4.    ROM chips are easily swapped between different brands of computers
 Discuss Question
Answer: Option B. -> Data in ROM is non volatile, that is, it remains there even without electrical power
Explanation :

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