Electronics and Communication Engineering - Digital Electronics

41. 

The gate width of a monostable multivibrator is given by

A. T = 1.1 RC
B. T = 0.693 RC
C. 0.963 RC
D. T = 0.369 RC

Answer: Option B

Explanation:

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42. 

Assertion (A): 2's complement arithmetic is preferred in digital computers

Reason (R): The hardware required to obtain 2's complement is simple.

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: Option C

Explanation:

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43. 

For the logic circuit of the given figure, Y =

A. A + BC
B. BC
C. AB
D. AB + C

Answer: Option C

Explanation:

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44. 

For edge triggering in flip flops, manufacturers use

A. RC circuit
B. direct coupled design
C. either RC circuit or direct coupled design
D. none of the above

Answer: Option B

Explanation:

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45. 

Assertion (A): A binary number is a string of zeros and ones only

Reason (R): The base in a binary system is 2

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: Option A

Explanation:

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