41. An unweighted code in which only one bit changes from one code number to the next is ________.
(a) BCD
(b) Excess-3
(c) Gray
(d) ASCII
42. The BCD number for decimal 347 is ________.
(a) 1100 1011 1000
(b) 0011 0100 0111
(c) 0011 0100 0001
(d) 1100 1011 0110
43. A decimal 11 in BCD is ________.
(a) 00001011
(b) 00001100
(c) 00010001
(d) 00010010
44. The BCD number for decimal 16 is ________.
(a) 00010110
(b) 00010000
(c) 00010010
(d) 11100000
45. The sum of the two BCD numbers, 0011 + 0011, is ________.
(a) 0110
(b) 0111
(c) 0011
(d) 1100
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