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Digital Electronics

Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 2
 any number
 1
 4

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
CMOS
ECL
TTLAS

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NAND gates
 NOR gates
 X-OR gates
 AND gates

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

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

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Digital Electronics
Boolean algebra is also known as

 Transistor algebra
 Gate algebra
 Counting algebra
 Switching algebra

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Digital Electronics
NAND. gates are preferred over others because these

have lower fabrication area
can be used to make any gate
provide maximum density in a chip.
consume least electronic power

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