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MCQs

Total Questions : 1294 | Page 1 of 130 pages
Question 1. If we need a low noise device, we should use
  1.    BJT
  2.    FET
  3.    thyristor
  4.    UJT
 Discuss Question
Answer: Option B. -> FET
Answer: (b).FET
Question 2.


A device used to
display one or more digital signals so that they can be compared to
expected timing diagrams for the signals is a:



  1.    DMM
  2.    spectrum analyzer
  3.    logic analyzer
  4.    frequency counter
 Discuss Question
Answer: Option C. -> logic analyzer



Question 3.

The generic array logic (GAL) device is ________.


  1.    one-time programmable
  2.    reprogrammable
  3.    a CMOS device
  4.    reprogrammable and a CMOS device
 Discuss Question
Answer: Option B. -> reprogrammable



Question 4.


How many flip-flops are required to produce a divide-by-128 device?



  1.    1
  2.    4
  3.    6
  4.    7
 Discuss Question
Answer: Option D. -> 7



Question 5.

Which of the following expressions is in the sum-of-products (SOP) form?


  1.    (A + B)(C + D)
  2.    (A)B(CD)
  3.    AB(CD)
  4.    AB + CD
 Discuss Question
Answer: Option D. -> AB + CD



Question 6.


How is a J-K flip-flop made to toggle?



  1.    J = 0, K = 0
  2.    J = 1, K = 0
  3.    J = 0, K = 1
  4.    J = 1, K = 1
 Discuss Question
Answer: Option D. -> J = 1, K = 1



Question 7. For the gate in the given figure the output will beFor The Gate In The Given Figure The Output Will Be
  1.    0
  2.    1
  3.    A
  4.    A ̅
 Discuss Question
Answer: Option D. -> A ̅
Answer: (d).A ̅
Question 8. The circuit in the given figure isThe Circuit In The Given Figure Is
  1.    positive logic XOR gate
  2.    negative logic OR gate
  3.    negative logic AND gate
  4.    positive logic AND gate
 Discuss Question
Answer: Option C. -> negative logic AND gate
Answer: (c).negative logic AND gate
Question 9. For the truth table of the given figure Y =For The Truth Table Of The Given Figure Y =
  1.    A + B + C
  2.    A ̅ + BC
  3.    A ̅
  4.    B ̅
 Discuss Question
Answer: Option D. -> B ̅
Answer: (d).B ̅
Question 10. The circuit of the given figure realizes the functionThe Circuit Of The Given Figure Realizes The Function
  1.    A
  2.    B
  3.    C
  4.    D
 Discuss Question
Answer: Option A. -> A
Answer: (a).A

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