When does a negative level triggered flip-flop in Digital Electronics changes its state? - Digital Electronics

Electronics and Communication Engineering (ECE) : Digital Electronics - Quiz(MCQ)

When does a negative level triggered flip-flop in Digital Electronics changes its state?

A)

When the inputs are all zero

B)

When the inputs are all one

C)

When the clock is negative

D)

When the clock is positive

Correct Answer : Option (C) : When the clock is negative

Explanation : A negative level triggered flip – flop has a NOT gate present between clock input and the input of AND gate. Thus, the negative level triggered flip – flop change its state when the clock is negative.

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

Advertisement