Electronics and Communication Engineering - Digital Electronics

36. 

The logic operations of the two circuits given below are

A. complementary
B. identical
C. entirely different
D. none of these

Answer: Option C

Explanation:

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37. 

Which of the following is incorrect?

A. (111)2 + (10)2 = 9
B. (111)2 + (2)10 = (9)16
C. 7 + 2 = (1001)2
D. None of the above

Answer: Option D

Explanation:

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38. 

A register is

A. a group is memories
B. a group of devices that store digital data
C. a chip used in computers
D. a pure silica piece used in digital systems

Answer: Option B

Explanation:

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39. 

In 8085 microprocessor, when TRAP interrupt is triggered program control is transferred to location

A. 0020 H
B. 0024 H
C. 0028 H
D. 002 CH

Answer: Option B

Explanation:

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40. 

In 8085 microprocessor, what is the length of SP (stack) pointer?

A. 6 bits
B. 8 bits
C. 12 bits
D. 16 bits

Answer: Option D

Explanation:

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