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Digital Electronics

Digital Electronics
In ULSI, the number of gate circuits per chip is

 > 50,000
 > 1,00,000
 1,00,000 to 10,00,000
 50,000 to 99,999

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Digital Electronics
The set of which logic gates is designated as universal gate?

  NOR , NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.
 XNOR, NOR, NAND.

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 8
 2
 4
 1

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Digital Electronics
Which logic family provide minimum power dissipation

 JFET
 ECL
 TTL
 CMOS

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Digital Electronics
Why encoder is used in the digital electronics ?

None of these
 To convert non coded information into coded form
 To convert coded information into non coded form
 It is used to separate address bus and data bus

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

None of these
 Open collector output
 Tristate
 Output is inverted

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