Digital Circuits Week 2 Nptel Assignment Answers
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Digital Circuits Week 2 Nptel Assignment Answers
Session: JULY – DEC 2024
Q1. Which of the following field is not present in the IEEE 754 floating-point representation?
A) Sign
B) Exponent
C) Significand
D) Base
Answer: D) Base
Q2. 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
.
Answer: B) Exponent field
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q3. What is the IEEE 754 single-precision represenation of the decimal number -3.75?
A) C070000016
B) C060000016
C) C0700000016
D) B070000016
Answer: A) C070000016
Q4. 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) 00111 1111 0100 0000 0000 0000 0000 0002
C) 10111 1111 1100 0000 0000 0000 0000 0002
D) 1 0111 1110 0100 0000 0000 0000 0000 0002
Answer: A) 1 0111 1111 0100 0000 0000 0000 0000 0002
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q5. What value does the IEEE 754 single precision representation 7F80000016 corresponds to?
A) 0
B) NAN
C) Infinity
D) 1
Answer: C) Infinity
Q6.What value does the IEEE 754 single precision representation 7FC0000016 corresponds to?
A) 0
B) NAN
C) Infinity
D) 1
Answer: B) NAN
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q7. 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: B) 3FE8 0000 0000 000016
Q8. 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: B) 0 and A = A
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q9. 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: A) ABC + ABC’ + AB’C
Q10. 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
Answer: D) The distributive law
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q11. 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: A) Fallacy
Q12. The expression (A + AB+ ABC + ABCD + ABCDE + ……) simplifies to
A) 1
B) A
C) A+AB
D) A’
Answer: B) A
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q13. 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: B) A+ AB = B
Q14. 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 :C) 208
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These are Digital Circuits Week 2 Nptel Assignment Answers
Q15. What is the significand size in IEEE-754 double precision standard?
A) 23
B) 11
C) 32
D) 52
Answer: D) 52
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These are Digital Circuits Week 2 Nptel Assignment Answers
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