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Digital Electronics

Digital Electronics
ASCII and EBCDIC codes are

 numeric codes
 alphanumeric codes
 BCD codes
 error correcting codes

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Digital Electronics
The voltage levels for negative logic system

 may be negative or positive
 must necessarily be 0 V and –5 V
 must necessarily be positive
 must necessarily be negative

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Digital Electronics
Which of the following represents (E3)16 ?

 (1BC)16-(DE)16
 (200)16-(11D)16
 (1CE)16+(A2)16
 (2BC)16-(1DE)16

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Sequential
 Conversion
 Combinational
 Both A and B

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 6
 4
 3
 5

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

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

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