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Digital Electronics

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

 1000
 0011
 1100
 1001

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Digital Electronics
In Boolean algebra, OR is represented by

 ×
 +
 -
 /

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Digital Electronics
In Boolean algebra A.A is equal to

 A²
 2A
 1
 A

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Digital Electronics
A graphical representation of a products in a truth table is called as

 Mapping
 K-Map
 T-Map
 Graphing

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Digital Electronics
An EPROM is

 erasable but not programmable
 non erasable
 programmable and erasable
 volatile

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Digital Electronics
1 kb represents

 10,000 bytes
 100 bytes
 1000 bytes
 1024 bytes

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