The number of unused states in a 4 bit Johnson counter is

A)
2
B)
4
C)
8
D)
12

Correct Answer : Option (C) :   8

Explanation : Total state = 2ⁿ = 2⁴ = 16

Used state = 2ⁿ = 2 x 4 = 8

Unused state = 16 - 8 = 8.

Recently Updated in Digital Electronics Questions
Two 16 : 1 and one 2 : 1 multiplexers can be connected to form a
A)
8 : 1 multiplexer
B)
16 : 1 multiplexer
C)
32 : 1 multiplexer
D)
64 : 1 multiplexer

Correct Answer :   32 : 1 multiplexer

If interrupt service request have been received from all of the following interrupts, then which one will be serviced last?
A)
RST 5.5
B)
RST 6.5
C)
RST 7.5
D)
None of the above

Correct Answer :   RST 5.5

Which liquid crystal is used for LCD display?
A)
Mercury
B)
Aqua regia
C)
Liquid boron
D)
Pneumatic fluid

Correct Answer :   Pneumatic fluid

ECE MCQ's

Power Electronics
Digital Electronics
Analog Electronics
Microprocessors
Radio Receivers
Signals and Systems
Satellite Communication
Communication Systems
Microwave Communication
Automatic Control Systems
Materials and Components
More