Electronics and Communication Engineering - Digital Electronics

36. 

Equation xl0 = 110010012 when solved for x gives the value of x as

A. 8
B. 111
C. 152
D. 201

Answer: Option D

Explanation:

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37. 

Nibble is

A. a string of 4 bits
B. a string of 8 bits
C. a string of 16 bit
D. a string of 64 bits

Answer: Option A

Explanation:

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38. 

The sum S of A and B in a Half Adder can be implemented by using K NAND gates. The value of K is

A. 3
B. 4
C. 5
D. none of these

Answer: Option B

Explanation:

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39. 

When a bit is 0 is a DDR, it makes the corresponding port pin an __________ On the other hand, a 1 bit programs a __________ Pin.

A. output, input
B. output, output
C. input, input
D. input, output

Answer: Option D

Explanation:

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40. 

Which of the following input is not possible in case of a SR flip-flop?

A. S = 0, R = 0
B. S = 0, R = 1
C. S = 1, R = 0
D. S = 1, R = 1

Answer: Option D

Explanation:

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