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Digital Electronics

Digital Electronics
A group of four bits is known as

 Bit
 Byte
 Nibble
 Word

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 8
 256
 128
 255

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Digital Electronics
An EPROM

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

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Digital Electronics
Which of the following codes is known as the 8421 code?

 XS-3 code
 BCD code
 ASCII code
 Gray code

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Tristate
None of these
 Output is inverted
 Open collector output

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Digital Electronics
How many input and output required for demultiplexer ?

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

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