Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 40 - 44 of 271

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Question 40

Digital Circuits
Logic Gates and Their Static CMOS Implementation

Appeared in Year: 2005

Question

MCQ▾

Decimal 43 in Hexadecimal and BCD number system is respectively

Choices

Choice (4)Response

a.

2B, 0100 0011

b.

B2, 0100 011

c.

B2, 0100 0100

d.

2B, 0011 0100

Question 41

Digital Circuits
Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2002

Question

MCQ▾

04-Bit 2՚s complement representation of a decimal number is 1000. The number is

Choices

Choice (4)Response

a.

- 8

b.

0

c.

- 7

d.

+ 8

Question 42

Digital Circuits
Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2007

Question

MCQ▾

X = 01110 and Y = 11001 are two 5-bit binary numbers represented in two՚s complement format. The sum of X and Y represented in two՚s complement format using 6 bits is

Choices

Choice (4)Response

a.

101001

b.

0010000

c.

100111

d.

000111

Question 43

Digital Circuits
Latches and Flip-Flops

Appeared in Year: 2008

Question

MCQ▾

Which of the following Boolean Expressions correctly represents the relation between P, Q, R and

The Logic Function Implemented by Various Types of Gates

Choices

Choice (4)Response

a.

b.

c.

d.

Question 44

Digital Circuits
Counters

Appeared in Year: 1997

Question

MCQ▾

A sequence generator is shown in the figure. The counter status is initialized 010 using preset/clear inputs.

Sequence Generator Using D Flip-Flops

The clock has a period of 50ns and transistors take place at the rising clock edge.

  1. Give the number of states in the sequence generates at till repeats.
  2. What is the repetition rate of the generated sequence?

Choices

Choice (4)Response

a.

6 states, 5 MHz

b.

5 states, 4 MHz

c.

6 states, 6 MHz

d.

6 states, 4 MHz

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