Digital Electronics and Logic Design MCQs with answers Page - 9

Here, you will find a collection of MCQ questions on Digital Electronics and Logic Design. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. What is the binary equivalent of the decimal number 368

  • (A) 101110000
  • (B) 110110000
  • (C) 111010000
  • (D) 11110000 0

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Q. (2FAOC)16 is equivalent to

  • (A) (195 084)10
  • (B) (001011111 010 0000 1100)2
  • (C) both (a) and (b)
  • (D) none of these

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Q. The octal equivalent of hexadecimal (A.B)16 is

  • (A) 47.21
  • (B) 12.74
  • (C) 12.71
  • (D) 17.21

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Q. Logic X-OR operation of (4ACO)H & (B53F)H results

  • (A) aacb
  • (B) 0
  • (C) ffff
  • (D) abcd

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Q. The simplified form of the Boolean expression (X+Y+XY)(X+Z) is

  • (A) x + y + zx + y
  • (B) xy – yz
  • (C) x + yz
  • (D) xz + y

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Q. The output of a logic gate is 1 when all its inputs are at logic 0. the gate is either

  • (A) nand or an xo
  • (B) or or an xn
  • (C) o an and or xor
  • (D) a nor or an xnor

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Q. Sum-of-Weights method is used

  • (A) to convert from one number system to other
  • (B) to encode data
  • (C) to decode data
  • (D) to convert from serial to parralel data

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Q. The complement of a variable is always

  • (A) 1
  • (B) 0
  • (C) inverse
  • (D) none

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Q. The difference of 111 - 001 equals

  • (A) 100
  • (B) 111
  • (C) 1
  • (D) 110

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Q. The Unsigned Binary representation can only represent positive binary numbers

  • (A) true
  • (B) false
  • (C) both (a) and (b)
  • (D) none of above

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