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Digital Electronics

Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

None of these
AND operation
NOT operation
OR operation

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Both A and B
 Combinational
 None

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Digital Electronics
How many numbers are used in the decimal number system?

 0 to 9
None of these
 1 to 10
 0 to 10

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

  1 mV.
 0.01 V.
 1.1 V.
 1 V.

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Both (II)&(III)
 Both (I)&(III)
 Only (II)
 Only (III)

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Digital Electronics
The code used for labeling the cells of a K-map is

 hexadecimal
 octal
 gray
 8-4-2-1 binary

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