DLD |Gate-2013| Digital Logic Design
- The smallest integer that can be represented by an 8-bit number in 2’s complement form is : [GATE – 2013]
a. -256
b. -128
c. -127
d. 0
Answer : b)
- In the following truth table, V = 1 if and only if the input is valid.

What function does the truth table represent? [GATE – 2013]
a. Priority encoder
b. Decoder
c. Multiplexer
d. Demultiplexer
Answer : a)
- Which one of the following expressions does NOT represent exclusive NOR of x and y? [GATE – 2013]
a. xy+x’y’
b. x⊕y’
c. x’⊕y
d. x’⊕y’
Answer : d)
DLD |Gate-2013|