Which Flip Flop Is Used as Latch?

Correct Option: B. RS flip-flop is used as a latch.

Why flip flop is used as a latch?

Flip Flops are frequently used to latch input data. Meaning that in a circuit they are fed some binary value and then hold it until the latch is turned off. ... The 4 basic flip flops are SR, D, Toggle and JK. A latch is an example of a bistable multivibrator, that is, a device with exactly two stable states.

What is the use of D flip flop?

A D flip-flop is widely used as the basic building block of random access memory (RAM) and registers. The D flip-flop captures the D-input value at the specified edge (i.e., rising or falling) of the clock. After the rising/falling clock edge, the captured value is available at Q output.