56. Determine the decimal equivalent of the signed binary number 11110100 in 1’s complement.
(a) 116
(b) –12
(c) 11
(d) 128
57. Express the decimal number –37 as an 8-bit number in sign-magnitude.
(a) 10100101
(b) 00100101
(c) 11011000
(d) 11010001
58. The 2’s complement of 11100111 is ________.
(a) 11100110
(b) 00011001
(c) 00011000
(d) 00011010
59. The 1’s complement of 10011101 is ________.
(a) 01100010
(b) 10011110
(c) 01100001
(d) 01100011
60. The difference of 111 – 001 equals ________.
(a) 100
(b) 111
(c) 001
(d) 110
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