Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 269 - 271 of 271

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Question 269

Digital Circuits
Boolean Algebra, Minimization of Functions

Appeared in Year: 2020

Question

MCQ▾

P, Q and R are the decimal integers corresponding to the 4-bit binary number 1100 considered in signed magnitude, 1՚s complement, and 2՚s complement representations, respectively. The 6-bit 2՚s complement representation of (P + Q + R) is

Choices

Choice (4)Response

a.

111001

b.

111101

c.

110101

d.

110010

Question 270

Digital Circuits
Shift-Registers and Finite State Machines

Appeared in Year: 2020

Question

MCQ▾

The state diagram of a sequence detector is shown below. State is the initial state of the sequence detector. If the output is 1, then

The State Diagram of a Sequence Detector

Choices

Choice (4)Response

a.

The sequence 01010 is detected.

b.

The sequence 01110 is detected.

c.

The sequence 01001 is detected.

d.

The sequence 01011 is detected.

Question 271

Digital Circuits
Latches and Flip-Flops

Appeared in Year: 2020

Question

Numeric Answer▾

For the components in the sequential circuit shown below, is the propagation delay, is the setup time, and is the hold time. The maximum clock frequency (rounded off to the nearest integer) , at which the given circuit can operate reliably, is ________ MHz.

For the Components in the Sequential Circuit

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