Digital Circuits | Week 1

Session: JULY – DEC 2024

Course name: Digital Circuits

Course Link: Click Here

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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Q1. What year was the bipolar transistor invented?
A) 1947
B) 1906
C) 1925
D) 1956

Answer: A) 1947

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Q2. Which of the following statement is TRUE?
A) Moore’s law states that the number of transistors on a chip doubles annually.
B) Moore’s law states that the number of transistors on a chip doubles approximately every 1-2 months.
C) Rock’s law states that the number of transistors on a chip doubles annually.
D) Machrone’s law states that the cost of the semiconductor tools doubles every four years.

Answer: A) Moore’s law states that the number of transistors on a chip doubles annually.

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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Q3. Which number system is primarily used by humans?
A) Binary
B) Decimal
C) Octal
D) Hexa-Decimal

Answer: B) Decimal

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Q4. What is the binary representation of the decimal number 9?
A) (11001)2
B) (10011)2
C) (1001)2
D) (1101)2

Answer: C) (1001)2

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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Q5. What is the binary representation of 468?
A) 110110₂
B) 100010₂
C) 100110₂
D) 010110₂

Answer: C) 100110₂

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Q6. What is the octal representation of 3510?
A) 32₈
B) 43₈
C) 40₈
D) 33₈

Answer: B) 43₈

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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Q7. What is the Hexadecimal representation of 1000 01012?
A) 85₁₆
B) 85₈
C) 96₁₆
D) 51₁₆

Answer: A) 85₁₆

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Q8. What is the octal representation of 3516?
A) 65₁₆
B) 65₈
C) 56₈
D) 35₈

Answer: B) 65₈

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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Q9. What is the decimal equivalent of AA16?
A) 160₁₀
B) 165₁₀
C) 147₁₀
D) 170₁₀

Answer: D) 170₁₀

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Q10. What is the decimal equivalent of 148?
A) 12₁₀
B) 14₁₀
C) 10₁₀
D) 8₁₀

Answer: A) 12₁₀

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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Q11. 8-bit 2’s complement form of (-15)10 is
A) 0001 0001₂
B) 1111 0001₂
C) 1111 1111₂
D) 0000 1111₂

Answer: B) 1111 0001₂

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Q12. What is the binary equivalent of 5.1510?
A) 101.0010₂
B) 101.1010₂
C) 111.0010₂
D) 101.1110₂

Answer: B) 101.1010₂

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Q13. What is the 1’s complement of (01001)2
A) (01010)₂
B) (10110)₂
C) (10010)₂
D) (01011)₂

Answer: B) (10110)₂

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Q14. What is the decimal equivalent of 10.10012?
A) 2.5625
B) 2.6875
C) 1.6875
D) 2.0457

Answer:A) 2.5625

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Q15. What is the hexadecimal equivalent of 568?
A) 2F16
B) 2E16
C) 1E16
D) 0E16

Answer: B) 2E₁₆

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These are Digital Circuits Week 1 Assignment 1 Nptel Answers

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