Digital Circuits Week 1 Nptel Assignment Answers
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Digital Circuits Week 1 Nptel Assignment Answers (Jul-Dec 2025)
Que.1 What year was the bipolar transistor invented?
A) 1947
B) 1906
C) 1925
D) 1956
Que.2 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.
Que.3 Which number system is primarily used by humans?
A) Binary
B) Decimal
C) Octal
D) Hexa-Decimal
Que.4 What is the binary representation of the decimal number 9?
A) (11001)₂
B) (10011)₂
C) (1001)₂
D) (1101)₂
Que.5 What is the binary representation of 468?
A) 110110₂
B) 100010₂
C) 100110₂
D) 010110₂
Que.6 What is the octal representation of 35₁₀?
A) 32₈
B) 43₈
C) 40₈
D) 33₈
Que.7 What is the Hexadecimal representation of 10000101₂?
A) 85₁₆
B) 85₈
C) 96₁₆
D) 51₁₆
Que.8 What is the octal representation of 35₁₆?
A) 65₁₆
B) 65₈
C) 56₈
D) 35₈
Que.9 What is the decimal equivalent of AA₁₆?
A) 160₁₀
B) 165₁₀
C) 147₁₀
D) 170₁₀
Que.10 What is the decimal equivalent of 14₈?
A) 12₁₀
B) 14₁₀
C) 10₁₀
D) 8₁₀
Que.11 8-bit 2’s complement form of (15)₁₀ is _________.
A) 0001 0001₂
B) 1111 0001₂
C) 1111 1111₂
D) 0000 1111₂
Que.12 What is the approximate binary equivalent of 5.15₁₀?
A) 101.0010011₂
B) 101.1010101₂
C) 111.0010111₂
D) 101.1110000₂
Que.13 What is the 1’s complement of (01001)₂?
A) (01010)₂
B) (10110)₂
C) (10010)₂
D) (01011)₂
Que.14 What is the decimal equivalent of 10.1001₂?
A) 2.5625
B) 2.6875
C) 1.6875
D) 2.0457
Que.15 What is the hexadecimal equivalent of 56₈?
A) 2F₁₆
B) 2E₁₆
C) 1E₁₆
D) 0E₁₆
Digital Circuits Week 1 Nptel Assignment Answers (JULY – DEC 2024)
Course name: Digital Circuits
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These are Digital Circuits Week 1 Nptel Assignment Answers
Q1. What year was the bipolar transistor invented?
A) 1947
B) 1906
C) 1925
D) 1956
Answer: A) 1947
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 Nptel Assignment Answers
Q3. Which number system is primarily used by humans?
A) Binary
B) Decimal
C) Octal
D) Hexa-Decimal
Answer: B) Decimal
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 Nptel Assignment Answers
Q5. What is the binary representation of 468?
A) 1101102
B) 1000102
C) 1001102
D) 0101102
Answer: C) 1001102
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 Nptel Assignment Answers
Q7. What is the Hexadecimal representation of 1000 01012?
A) 8516
B) 858
C) 9616
D) 5116
Answer: A) 8516
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 Nptel Assignment Answers
Q9. What is the decimal equivalent of AA16?
A) 16010
B) 16510
C) 14710
D) 17010
Answer: D) 17010
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 Nptel Assignment Answers
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
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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These are Digital Circuits Week 1 Nptel Assignment Answers
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
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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These are Digital Circuits Week 1 Assignment 1 Nptel Answers
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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