Digital Electronics and Logic Design MCQs with answers Page - 4

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Q. The hexadecimal number for (95.5)10 is

  • (A) (5f.8) 16
  • (B) (9a.b) 16
  • (C) ( 2e.f) 16
  • (D) ( 5a.4) 16

A

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Q. The octal equivalent of (247) 10 is

  • (A) ( 252) 8
  • (B) (350) 8
  • (C) ( 367) 8
  • (D) ( 400) 8

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Q. The number 140 in octal is equivalent to

  • (A) (96)10 .
  • (B) ( 86) 10
  • (C) (90) 10 .
  • (D) none of these.

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Q. Convert decimal 153 to octal. Equivalent in octal will be

  • (A) (231)8
  • (B) ( 331) 8
  • (C) ( 431) 8 .
  • (D) none of these.

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Q. The binary equivalent of (FA)16 is

  • (A) 1010 1111
  • (B) 1111 1010
  • (C) 10110011
  • (D) none of these

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Q. How many two-input AND and OR gates are required to realize Y=CD+EF+G

  • (A) 22
  • (B) 23
  • (C) 33
  • (D) none of these

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Q. The excess-3 code of decimal 7 is represented by

  • (A) 1100
  • (B) 1001
  • (C) 1011
  • (D) 1010

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