A
2
B
3
C
4
D
6

A
+12810 to –12810
B
–12810 to +12710
C
+12810 to –12710
D
+12710 to –12710

A
111010
B
110110
C
110101
D
101011

# Q4: Use the two's complement system to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

A
–14 and –13; –27
B
–113 and –114; 227
C
–27 and –13; 40
D
–11 and –16; –27

A
4
B
3
C
2
D
1

A
100000
B
100001
C
0000
D
1011

A
101011
B
110000
C
011100
D
110001

# Q8: What are the two types of basic adder circuits?

A
B
C
asynchronous and synchronous
D
one's complement and two's complement

# Q9: The selector inputs to an arithmetic-logic unit (ALU) determine the:

A
selection of the IC
B
arithmetic or logic function
C
data word selection
D
clock frequency to be used

# Q10: The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:

A
increase ripple delay
B
add a 1 to complemented inputs
C
reduce propagation delay
D
determine sign and magnitude

A
1110 1101
B
1111 1001
C
1111 0011
D
1110 1001

A
4
B
3
C
2
D
1

# Q13: The two's complement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

A
–14 and –13; –27
B
–113 and –114; 227
C
–27 and –13; 40
D
–11 and –16; –27

# Q14: When 1100010 is divided by 0101, what will be the decimal remainder?

A
2
B
3
C
4
D
6

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