Digital Electronics MCQ Questions & Answers | ECE

A. DEE

B. DDD

C. DEF

D. DE3

A. 32

B. 16

C. 8

D. 4

A. AND

B. OR

C. NOR

D. XOR

A. Active pull up and active pull down

B. Inactive output state

C. Active pull down

D. Active pull up

A. 1

B. 0

C. X + Y

D. 1 + Y

A. +(2^{n - 1} - 1), -(2^{n - 1} - 1)

B. +(2^{n - 1} - 1), -2^{n - 1}

C. +2^{n - 1}, -2^{n - 1}

D. None

A. 8

B. 9

C. 10

D. 11

A. 2

B. 16

C. 8

D. 4

A. Both shift left and shift right operations can not be performed

B. The quantity stored is lost at every shift pulses

C. The register is reset when read-out is over

D. All of these

A. $${\text{xy}}$$

B. $$\overline {\text{w}} {\text{x}}\overline {\text{y}} + \overline {\text{w}} {\text{yz}} + {\text{w}}\overline {\text{y}} {\text{z}} + {\text{wxy}}$$

C. $$\overline {\text{w}} {\text{x}}\overline {\text{y}} + \overline {\text{w}} {\text{yz}} + {\text{w}}\overline {{\text{yz}}} + {\text{wx}}\overline {\text{y}} $$

D. $${\text{xz}} + \overline {\text{w}} {\text{yz}} + \overline {\text{w}} {\text{x}}\overline {\text{y}} + {\text{wxy}} + {\text{w}}\overline {\text{y}} {\text{z}}$$