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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NAND
 NOR
 X-OR
 OR

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

 1 V.
 0.01 V.
  1 mV.
 1.1 V.

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Digital Electronics
A byte is equal to ________ bits.

 32
 16
 8
 4

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Digital Electronics
When will be the output of a NOT gate is LOW ?

None of these
 the input is HIGH and LOW.
 the input is HIGH.
 the input is LOW.

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 25, 9 and 57 respectively
 -25, -9 and -57 respectively

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