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MCQs

Total Questions : 1294 | Page 4 of 130 pages
Question 31. Which of them has 10 inputs and 4 outputs?
  1.    Decimal to BCD encoder
  2.    BCD to decimal decoder
  3.    Octal to binary encoder
  4.    All encoders
 Discuss Question
Answer: Option A. -> Decimal to BCD encoder
Answer: (a).Decimal to BCD encoder
Question 32. The binary number 0.10110111101 is equal to hexadecimal number
  1.    B3A
  2.    B5A
  3.    B7A
  4.    BA7
 Discuss Question
Answer: Option C. -> B7A
Answer: (c).B7A
Question 33. In order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instructions are needed?
  1.    El only
  2.    SIM only
  3.    El and SIM only
  4.    None
 Discuss Question
Answer: Option C. -> El and SIM only
Answer: (c).El and SIM only
Question 34. A/D parallel converter is also called flash converter.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 35. A seven bit code (even parity) 1111101 may have error. The correct code is
  1.    1111101
  2.    1111111
  3.    0101011
  4.    1100011
 Discuss Question
Answer: Option B. -> 1111111
Answer: (b).1111111
Question 36. Digital technologies being used now-a-days are
  1.    DTL and EMOS
  2.    TTL, ECL, CMOS and RTL
  3.    TTL, ECL and CMOS
  4.    TTL, ECL. CMOS and DTL
 Discuss Question
Answer: Option B. -> TTL, ECL, CMOS and RTL
Answer: (b).TTL, ECL, CMOS and RTL
Question 37. A clock pulse is fed into 3 bit binary down count. The signal at B output isA Clock Pulse Is Fed Into 3 Bit Binary Down Count. The Signa...
  1.    A
  2.    B
  3.    C
  4.    D
 Discuss Question
Answer: Option A. -> A
Answer: (a).A
Question 38. The boolean expression for shaded area in the given figure isThe Boolean Expression For Shaded Area In The Given Figure I...
  1.    A
  2.    B
  3.    C
  4.    D
 Discuss Question
Answer: Option C. -> C
Answer: (c).C
Question 39. The given figure shows a K-map for a Boolean function. The number of essential prime implicants isThe Given Figure Shows A K-map For A Boolean Function. The N...
  1.    4
  2.    5
  3.    6
  4.    8
 Discuss Question
Answer: Option A. -> 4
Answer: (a).4
Question 40. For the logic circuit given, what is the simplified Boolean function?For The Logic Circuit Given, What Is The Simplified Boolean ...
  1.    X = AB + C
  2.    X = BC + A
  3.    X = AB + AC
  4.    X = AC + B
 Discuss Question
Answer: Option B. -> X = BC + A
Answer: (b).X = BC + A

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