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MCQs

Total Questions : 457 | Page 32 of 46 pages
Question 311. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as
  1.    decoder
  2.    encoder
  3.    multiplexer
  4.    demultiplexer
  5.    None of the above
 Discuss Question
Answer: Option D. -> demultiplexer
Question 312. With a JK master-slave flip-flop the master is cocked when the clock is _____ and the slave is triggered when the clock is _____
  1.    set, reset
  2.    race, no change
  3.    high, low
  4.    set, race
  5.    None of the above
 Discuss Question
Answer: Option C. -> high, low
Question 313. The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.
  1.    LSI
  2.    MSI
  3.    MOS
  4.    MOSFET
  5.    None of the above
 Discuss Question
Answer: Option B. -> MSI
Question 314. One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.
  1.    De Morgan
  2.    Standard
  3.    Schottky
  4.    Karnaugh
  5.    None of the above
 Discuss Question
Answer: Option D. -> Karnaugh
Question 315. The octal equivalent of decimal 324.987 is
  1.    504.771
  2.    640.781
  3.    815.234
  4.    90.987
  5.    None of the above
 Discuss Question
Answer: Option A. -> 504.771
Question 316. Conversion of 10110112 to it's decimal equivalent is
  1.    8110
  2.    9110
  3.    10010
  4.    20010
  5.    None of the above
 Discuss Question
Answer: Option B. -> 9110
Question 317. Which function positive logic is equivalent to OR function in negative logic?
  1.    NOT
  2.    AND
  3.    OR
  4.    NOR
  5.    None of the above
 Discuss Question
Answer: Option B. -> AND
Question 318. Which of the following is the first integrated logic family?
  1.    RTL
  2.    DTL
  3.    TTL
  4.    MOS
  5.    None of the above
 Discuss Question
Answer: Option A. -> RTL
Question 319. A flip-flop can store
  1.    one bit of data
  2.    two bits of data
  3.    three bits of data
  4.    any number of bits of data
  5.    None of the above
 Discuss Question
Answer: Option A. -> one bit of data
Question 320. FETs are used in linear ICs to:
  1.    increase input resistance
  2.    provide large resistances
  3.    increase device complexity
  4.    (a) and (b) above
  5.    None of the above
 Discuss Question
Answer: Option D. -> (a) and (b) above

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