Work Sheet
Chapter 1
Digital Logic Design
1. The binary equivalent of (200)10 is:
a) 11001000
b) 01100100
c) 11100100
d) 0010 0000 0000
e) None of the above
2. The binary equivalent of (0.6875)10 is:
a) 0.1101
b) 0.1011
c) 0.1101
d) 0.0110 1000 0111 0101
e) None of the above
3. The binary number (110110.011) is equivalent to the decimal value:
a) 54.375
b) 54.1875
c) 108.375
d) 26.6
e) None of the above
4. The Octal value (372) is equivalent to the Hexadecimal value:
a) 1FA
b) 0FA
c) 762
d) 768
e) None of the above
5. If the following equality ( 3X )4=( Y2 )6 holds, then Y =
a) 1
b) 2
c) 3
d) 4
e) 5
6. The 2’s complement of (0110110) is:
a) 1001010
b) 0001010
c) 1001001
d) 1011001
e) None of the above
7. The result of (11101- 0111) using 2’s complement is:
a) 1 10110
b) 1 00110
c) 1 00101
d) 0 10110
e) None of the above
8. The Binary Coded Decimal (BCD) representation of the decimal value 38 is:
a)
100110
b) 00111000
c)
26
d) 10000011
e) None of the above