BEE BEE Bachelor of Electrical Engineering Digital Logic and Systems Questions and Answers 2

Question 1

What is the output of an XOR gate when both inputs are 1?

Accepted Answer

0

Answer

1

Answer

Undefined

Answer

High impedance

Question 2

Which flip-flop is used to divide the input clock frequency by 2?

Accepted Answer

T flip-flop with T=1

Answer

D flip-flop with D=0

Answer

SR flip-flop with S=1

Answer

JK flip-flop with J=0, K=0

Question 3

How many select lines are needed for an 8-to-1 multiplexer?

Accepted Answer

3

Answer

2

Answer

4

Answer

8

Question 4

What does a Karnaugh map primarily help minimize?

Accepted Answer

Boolean expressions

Answer

Clock frequency

Answer

Power consumption

Answer

Memory usage

Question 5

In a 4-bit synchronous counter, what is the maximum count value in decimal?

Accepted Answer

15

Answer

16

Answer

8

Answer

10

Question 6

Which logic family offers the lowest power consumption in static conditions?

Accepted Answer

CMOS

Answer

TTL

Answer

ECL

Answer

BiCMOS