B CompE Bachelor of Computer Engineering Digital Logic and Circuit Design

Question 1

Which logic gate produces an output of 1 only when all inputs are 1?

Accepted Answer

AND gate

Answer

OR gate

Answer

NAND gate

Answer

XOR gate

Question 2

What is the decimal equivalent of the binary number 1011?

Accepted Answer

11

Answer

9

Answer

10

Answer

12

Question 3

Which of the following is a minimization technique for Boolean expressions?

Accepted Answer

Karnaugh Map (K-map)

Answer

De Morgan's Theorem

Answer

Shannon's Theorem

Answer

Venn Diagram

Question 4

What type of logic circuit has its output depend only on the current inputs with no memory?

Accepted Answer

Combinational Circuit

Answer

Sequential Circuit

Answer

Finite State Machine

Answer

Flip-flop

Question 5

Which flip-flop sets output Q=1 on S=1,R=0, and resets Q=0 on S=0,R=1?

Accepted Answer

SR Flip-Flop

Answer

D Flip-Flop

Answer

JK Flip-Flop

Answer

T Flip-Flop

Question 6

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

Accepted Answer

0

Answer

1

Answer

Depends on the input values

Answer

Undefined