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Digital Electronics

Digital Electronics
Choose the option which is not a code conversion standard

 Excess-3 code
 Truth code
 Gray code
 BCD code

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NOT
 NAND
 AND
 OR

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 none of these
 NOR
 NAND
 AND

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 6
 8
 4
 5

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Digital Electronics
An EPROM

 is programmable
 is of random-access type
All of these
 is non volatile

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 All inputs are LOW
 All inputs are HIGH
 The inputs are different

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