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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 110101
 101011
 011111
 111110

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

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

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 08H
 42H
 48H
 50H

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Digital Electronics
Which of the following gate is a two-level logic gate

NAND gate
NOT gate
EXCLUSIVE OR gate
OR gate

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 NOR
 OR
 NAND
 AND

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Digital Electronics
An EPROM is

 programmable and erasable
 volatile
 non erasable
 erasable but not programmable

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