Exercise: Digital Electronics

Questions for: Digital Electronics

A16 X 216 __________ .
A:
1616
B:
1516
C:
1416
D:
1316
Answer: C

A16 = 10, 216 = 2, 10 x 2 = 20 in decimal = 14 in hexadecimal.

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Available multiplexer IC package can have a maximum of 8 inputs.
A:
True
B:
False
C:
D:
Answer: B

16 : 1 1C multiplexer is also available.

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A universal shift register can shift
A:
from left to right
B:
from right to left
C:
both from left to right and right to left
D:
none of the above
Answer: C

Both left to right and right to left operations are possible in universal shift register.

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Which of the following is error correcting code?
A:
EBCDIC
B:
Gray
C:
Hamming
D:
ASCII
Answer: C

Hamming code is widely used for error correction.

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An 8 bit data is to be entered into a parallel in register. The number of clock pulses required is
A:
8
B:
4
C:
2
D:
1
Answer: D

In a parallel in register only one pulse is needed to enter data.

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