Electronics and Communication Engineering - Digital Electronics

31. 

Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after ADI A4H?

A. 4 AH, 0
B. 4 AH, 1
C. 4 BH, 0
D. 4 BH, 1

Answer: Option B

Explanation:

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32. 

In a monolithic IC, resistors are formed from

A. ceramic material
B. manganin wire
C. P-type semiconductor
D. aluminium ribbon

Answer: Option C

Explanation:

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33. 

For wired AND connection we should use

A. TTL gates with active pull up
B. TTL gates with open collector
C. TTL gates without active pull up and with open collector
D. any of the above

Answer: Option C

Explanation:

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34. 

A + AB =

A. A
B. A
C. A + B
D. A + B

Answer: Option C

Explanation:

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35. 

The resolution of a 12-bit D/A converter using a binary ladder with + 10V as the full scale output will be

A. 2.44 mV
B. 3.50 mV
C. 4.32 mV
D. 5.12 mV

Answer: Option A

Explanation:

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