Electronics and Communication Engineering - Digital Electronics

16. 

Data can be changed from spatial code to temporal code and vice-versa by using

A. ADC and DAC
B. shift Register
C. synchronous counter
D. timers

Answer: Option B

Explanation:

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17. 

Precisely 1 K byte means

A. 1000 bits
B. 1012 bits
C. 1020bits
D. 1024 bits

Answer: Option D

Explanation:

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18. 

In 8156, the lower times byte is addressed with 24 H, and the upper times byte with

A. 20 H
B. 23 H
C. 24 H
D. 25 H

Answer: Option D

Explanation:

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19. 

In the CMOS inverter

A. one transistor is N channel and the other P channel
B. one is enhancement type and other depletion type
C. both are N channel with one enhancement and the other depletion type
D. none

Answer: Option B

Explanation:

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20. 

Which of the following is incorrect?

A. 11101 + 10 = 11111
B. (8)8 + (2)8 = (11)8
C. (8)16 + (7)16 = E
D. All of them are incorrect

Answer: Option B

Explanation:

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