TRB - Computer Instructor - Computer Science - Digital Electronics

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Question - 1

With 2's complement representation, the range of values that can be represented on the date bus of 8-bit microprocessor is given by

  • A -128 to +127
  • B -127 to +128
  • C -127 to +127
  • D -256  to +256

Question - 2

2's complement of a 16-bit number (one sign and 15 magnitude bits) in FFF, its magnitude in decimal representation is

  • A 0
  • B 1
  • C 23767
  • D 6453.5

Question - 3

An equivalent 2's complement representation of 2's complement of number 1101 is

  • A 110100
  • B 001101
  • C 110111
  • D 111101

Question - 4

The 2's complement representation of -17 is

  • A 101110
  • B 111110
  • C 101111
  • D 110001

Question - 5

The binary representation of number (12.0625)10 is

  • A (1111.000)2
  • B (1010.001)2
  • C (1100.101)2
  • D None of these

Question - 6

The binary representation of number (10)4 is

  • A (1101010010000)2
  • B (1111000011010)2
  • C (101010011000)2
  • D (10111111111)2

Question - 7

Binary representatives of number (673.25)10 is

  • A (1010100001.1100)2
  • B (1010100001.0011)2
  • C (11001001001.0101)2
  • D (1010100001.1100)2

Question - 8

Binary representation of number (1998)10 is

  • A (101011001100)2
  • B (11111001110)2
  • C (1011001100)2
  • D (1010101010)2

Question - 9

The binary number (10.10001)2 is equivalent to

  • A (2.53125)10
  • B (1.7869)10
  • C (1.75)10
  • D (40.31)8

Question - 10

The binary number (1110101.110)2 is equivalent to

  • A (117.72)10
  • B (117.73)10
  • C (117.74)10
  • D (117.75)10
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