[Week 1] NPTEL Digital Circuits Assignment Answers 2023

NPTEL Digital Circuits Assignment Answers 2023
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NPTEL Digital Circuits Assignment Solutions 2023

NPTEL Digital Circuits week 1 Assignment Answers 2023

1. Which of the following statements is true about analog signals?

A) Analog signals are discrete in nature.
B) Analog signals have a finite number of possible values.
C) Analog signals can have an infinite number of possible values.
D) Analog signals are represented by binary digits.

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2. When was the first commercial IC produced from Fairchild semiconductor?

A) 1958
B) 1691
C) 1961
D) 1978

Answer :- 

3. Which of the following number system is used by computers?

A) Decimal
B) Binary
C) Octal
D) Hexa-Decimal

Answer :- 

4. If (43) = 3910 then x can be equal to

A) 9
B) 8
C) 18
D) None of the above

Answer :- 

5. The number 52.68, in base 5 number system is equal to

A) 202.32
B) 203.22
C) 302.22
D) None of the above

Answer :- 

6. If (78)x = 9210 then x can be equal to

(A) 12
(B) 14
(C) 9
D) None of the other options

Answer :- 

7. If 92/4 = 23, the base of the number system is

A) 10
B) 2
C) 8
D) 9

Answer :- 

8. The value of base r, if (121)r = (144)8

A) 8
B) 4
C) 9
D) None of the above

Answer :- 

9. What is the binary equivalent of the fractional decimal number (27.1875)10?

A. (11011.1101)2
B. (11011.0011)2
C. (11101.1001)2
D. (11011.0001)2

Answer :- 

10) Sum of (24)8 and (74)8 is
A) (110)8
B) (110)8
C) (123)8
D) (120)8

Answer :- 

11. 8-bit 2’s complement form of (-45)10 is

a. 11010010
b. 11010011
c. 10010011
d. 11010001

Answer :- 

12. An hexa decimal to binary conversion can be accomplished by simply replacing each hexa decimal symbol by its__________binary equivalent.

A) 2-bit
B) 3-bit
C) 4-bit
D) 5_bit

Answer :- 

13. Decimal value of the signed magnitude binary format (01110)2 is

A) +14
B) – 14
C) +23
D) -12

Answer :- 

14. Moore’s law states that:

A) The cost of semiconductor tools doubles every four years
B) The cost of semiconductor tools doubles every two years
C) The number of transistors on a chip double annually
D) The number of transistors on a chip doubles every four years

Answer :- 

15) If (A2D)16 = (X)8, the value of X is

A) 7054
B) 6054
C) 5055
D) 5054

Answer :- 
Course NameDigital Circuits
CategoryNPTEL Assignment Answer
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