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Digital Electronics

Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 NAND, AND
 AND, NAND
 OR, NOR
 NOR, OR

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 0
 all inputs are connected together
 one input is set to 1
 inputs are left open

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 EAROM
All of these
 ROM
 PROM

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 F0F0
 1010
 5050

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NOR
 X-NOR
 NAND
 AND

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Digital Electronics
How many input and output required for demultiplexer ?

None of these
 number of selection inputs and one output
 one input and one output
 one input and many output

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