Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 19

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A master slave configuration consists of two identical flipflops connected in such a way that the output of the master is input to the slave. Which one of the following is correct?

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Important Questions on Digital Electronics

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 20

Which one of the following statements is not correct ?

Conversion of EXCESS- $3$ code to BCD can be achieved by using

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 21

The minimized form of the logical expression

A B C + A B C + A B C + A B C

is

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 22

Consider the following:

Any combinational circuit can be built using

1. NAND gates

2. NOR gates

3. EX-OR gates

4. Multiplexers

Which of these are correct?

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 23

A synchronous sequential circuit is designed to detect a bit sequence

0101

(overlapping sequence include). Everytime this sequence is detected, the circuit produces an output of '

1

'. What is the minimum number of states the circuit must have?

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 24

It is required to construct a

2^{n}

to

1

multiplexer by using

2

- to -

1

multiplexers only. How many of

2

- to -

1

multiplexers are needed?

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 25

The boolean expression

Y Z + X Z + X Y

is logically equivalent to

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 26

Race around condition always arise in a _____.

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Professional Knowledge for IBPS & SBI Specialist IT Officer Exam>Chapter 14 - Digital Electronics>Exercise>Q 27

For a mod-

12

counter, the FF has

t_{p d}

= 60

ns. The NAND gate has a

t_{p d}

of

25

ns. The frequency is: