# NPTEL Digital Circuits Week 2 Assignment Answers 2024

## NPTEL Digital Circuits Week 2 Assignment Answers 2024

1. Which of the following field is not present in the IEEE 754 floating-point representation?

A) Sign
B) Exponent
C) Significand
D) Base

`Answer :- Click Here`

2. Which field in the floating point representation determines the range of values that can be represented?

A) Sign field
B) Exponent field
C) Significant field
D) Base field

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3. What is the IEEE 754 single-precision represenation of the decimal number -3.75?

A) C070000016
B) C060000016
C) C0700000016
D) B070000016

`Answer :- `

4. What is the IEEE 754 single-precision represenation of the decimal number -1.25?

A) 1 0111 1111 0100 0000 0000 0000 0000 0002
B) 0 0111 1111 0100 0000 0000 0000 0000 0002
C) 1 0111 1111 1100 0000 0000 0000 0000 0002
D) 1 0111 1110 0100 0000 0000 0000 0000 0002

`Answer :- `

5. What value does the IEEE 754 single precision representation 7F80000016 corresponds to?

A) 0
B) NAN
C) Infinity
D) 1

`Answer :- `

6. What value does the IEEE 754 single precision representation 7FC0000016 corresponds to

A) 0
B) NAN
C) Infinity
D) 1

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7. What is the IEEE 754 double-precision represenation of the decimal number 0.75?

A) 2FE8 0000 0000 000016
B) 3FE8 0000 0000 000016
C) 2FE8 0000 0000 000016
D) 3FE9 0000 0000 000016

`Answer :- `

8. Which of the following expression is FALSE?

A) 0 or A = A
B) 0 and A = A
C) 1 or A = 1
D) 1 and A = A

`Answer :- `

9. What is the standard SOP representation of AB+AC?

A) ABC + ABC’ + AB’C
B) A’BC + ABC’ + AB’C
C) ABC + A’BC’ + AB’C
D) ABC + ABC’ + AB’C’

`Answer :- `

10. The expression x + yz = (x + y)(x + z) corresponds to________.

A) De Morgan’s Theorem
B) The associative law
C) The commutative Law
D) The distributive law

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11. The Boolean expression P.P’.Q in Boolean algebra is also called as___________.

A) Fallacy
B) Tautology
C) Neither Tautology nor Fallacy
D) De Morgan’s law

`Answer :- `

12. The expression (A + AB + ABC + ABCD + ABCDE + ……) simplifies to___________.

A) 1
B) A
C) A+AB
D) A’

`Answer :- `

13. Which of the following Boolean algebraic expressions is incorrect?

A) A + AB = A + B
B) A + AB = B
C) (A + B)(A + C) = A + BC
D) (A + B)(A + B) = A

`Answer :- `

14. The following bit pattern represents a 32 bit IEEE 754 single precision floating point format:
0 10000110 10100000…00
The value of the number in decimal form is

A) -10
B) -208
C) 208
D) 200

`Answer :- `

15. What is the significand size in IEEE-754 double precision standard?

A) 23
B) 11
C) 32
D) 52

`Answer :- Click Here`