6. Convert the fixed-point binary number 1001.011 to decimal.
A. 9.75
B. 9.062
C. 9.5
D. 9.375
E. 9.252
F. 9.0112
7. A k-bit number, when represented as a 2's complement quantity, represents values in the range
A. -2^(k-1) to 2^(k-1)-1
B. -2^(k-1) to 2^k
C. -(2^(k-1))-1 to 2^(k-1)-1
D. -(2^(k-1)) to 2^(k-1)-1
E. -2^k to 2^k
F. -(2^(k-1))-1 to 2^(k-1)-1
G. -2^k to 2^(k-1)-1
H. -(2^(k-1))-1 to 2^(k-1)
8. Convert the 8-bit 2's complement binary number 11100010_2C to decimal.
A. -226
B. -30
C. 30
D. 226
E. -29
F. 29
9. What is the 8-bit binary result from 2's complement addition below?
10110111 + 01101001
A. 0001 1110
B. 0010 0000
C. 0011 0000
D. 1101 1110
E. 1110 0000
F. 1110 0001