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
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 Assignment 1 Nptel 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 Assignment 1 Nptel 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 Assignment 1 Nptel 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 Assignment 1 Nptel 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 Assignment 1 Nptel 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 Assignment 1 Nptel 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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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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