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Digital Electronics

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

 OR
 NOR
 NAND
 AND

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Digital Electronics
2-out-of-5 code is

 alphanumeric code
 non-weighted code
 weighted code
 self-complementing code

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Digital Electronics
An EPROM is

 volatile
 programmable and erasable
 erasable but not programmable
 non erasable

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Digital Electronics
NAND. gates are preferred over others because these

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

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1000
 1100
 0011
 1001

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Digital Electronics
2's Complement of 10101011 is

 10101100
 00111100
 01010101
 10101011

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