Exercise: Digital Electronics

Questions for: Digital Electronics

11012 - 10012 =
A:
1000
B:
0100
C:
0010
D:
0001
Answer: B
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The term VLSI generally refers to a digital IC having
A:
more than 1000 gates
B:
more than 100 gates
C:
more than 1000 but less than 9999 gates
D:
more than 100 but less than 999 gates
Answer: C
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Assertion (A): Gray code is used in shaft position encoding.

Reason (R): In gray code only a single bit change occurs when going from one code to another.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is true, R is false
D:
A is false, R is true
Answer: A
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In a digital counter the number of flip-flops is
A:
always 2
B:
always even
C:
always odd
D:
equal to the number of bits required in the final binary count
Answer: C
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The MOS symbol shown indicates that
  1. It is depletion type
  2. It is enhancement type
  3. It is channel
  4. It is P-channel
  5. Electrons flow from s to D
  6. Holes flow from D to s
The true statements are
A:
1, 3, 6
B:
1, 3, 5
C:
2, 4, 6
D:
2, 3, 5
Answer: D
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