MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DIGITAL LOGIC

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A “universal” basic memory device used in banks called registers
A
J-K Flip-Flop
B
D-Type Flip-Flop
C
S-R Flip-Flop
D
None of the above
Explanation: 

Detailed explanation-1: -JK Flip Flop is a flip flop which consists of a few logic gates in front of a D-flip flop. A JK flip-flop is also called a universal flip-flop because it can be configured to work as an SR flip-flop, D flip-flop or T flip-flop.

Detailed explanation-2: -JK Flip Flop is a universal flip-flop that makes the circuit toggle between two states and is widely used in shift registers, counters, PWM and computer applications.

Detailed explanation-3: -A JK flip-flop is a sequential bi-state single-bit memory device named after its inventor by Jack Kil. In general it has one clock input pin (CLK), two data input pins (J and K), and two output pins (Q and Q̅) as shown in Figure 1.

Detailed explanation-4: -Detailed Solution. A simple Shift Register can be made using only D-type flip-Flops, one flip-Flop for each data bit. The output from each flip-Flop is connected to the D input of the flip-flop at its right.

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