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Computer Aptitude

BASICS OF HARDWARE AND SOFTWARE MCQs

Total Questions : 319 | Page 29 of 32 pages
Question 281. A NOR gate is ON only when all it's inputs are
  1.    OFF
  2.    positive
  3.    higb
  4.    ON
  5.    None of these
 Discuss Question
Answer: Option A. -> OFF
Question 282. Indicate which , of the following is not true about 4GL.
  1.    Many database management system packages support 4GLs
  2.    4GL does not support a high -level of screen interaction
  3.    A 4GL is a software tool which is written, possibly, in some third generation language
  4.    All of the above
  5.    None of these
 Discuss Question
Answer: Option B. -> 4GL does not support a high -level of screen interaction
Question 283. Karnaugh map (K-map) technique provides a systematic method for simplifying ———
  1.    multiplexers
  2.    logic gates
  3.    All of these
  4.    None of these
  5.    Boolean expressions
 Discuss Question
Answer: Option E. -> Boolean expressions
Question 284. In 1978 Intel introduced the 16 bit Microprocessor 8086 now called as_____
  1.    APX80
  2.    M6800
  3.    ZylogzSOOO
  4.    Intel 8086
  5.    None of these
 Discuss Question
Answer: Option A. -> APX80
Question 285. The two kinds of main memory are:
  1.    ROM and RAM
  2.    Random and sequential
  3.    Primary and secondary
  4.    All of above
  5.    None of these
 Discuss Question
Answer: Option A. -> ROM and RAM
Question 286. Which of the following is a pointing device
  1.    Hard disk .
  2.    CD-ROM drive
  3.    Touch screen used for computer input.
  4.    RAM
  5.    None of these
 Discuss Question
Answer: Option C. -> Touch screen used for computer input.
Question 287. Pick out the wrong definition :
  1.    EDP- acronym for Electronic Data Processing
  2.    COBOL-a language used for business data processing
  3.    Control unit - heart of a computer.
  4.    None of these
  5.    Access time-time needed to access the output
 Discuss Question
Answer: Option E. -> Access time-time needed to access the output
Question 288. A single binary digit is known as
  1.    MB
  2.    byte
  3.    KB
  4.    bit
  5.    None of these
 Discuss Question
Answer: Option D. -> bit
Question 289. A flip flop has ____ stable status
  1.    Two
  2.    five
  3.    four
  4.    Three
  5.    None of these
 Discuss Question
Answer: Option D. -> Three
Question 290. Which of the following refers to the memory in your computer?
  1.    USB
  2.    DSL
  3.    RAM
  4.    LAN
  5.    CPU
 Discuss Question
Answer: Option C. -> RAM

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