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Digital Electronics

Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NOR
 NAND
 X-NOR
 X-OR

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 cyclic code
 binary code
 8421 code
 2421 code

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 OR
 NAND
 X-NOR
 AND

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Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 bit
 word
 byte
 nibble

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32
 32,767
 65,536
 32,768

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Digital Electronics
An AND gate will function as OR if

All the inputs to the gates are “1”
Either of the inputs is “1”
All the inputs are ‘0’
All the inputs and outputs are complemente'

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