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Digital Electronics

Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 12
 10
 16
 8

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

 1001
 0011
 1100
 1000

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Digital Electronics
In Boolean algebra AND is represented by

 ×
 /
 +
 -

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 1.
 J = 1, K = 0.
 J = 0, K = 0.
 J = 0, K = 1.

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 implicants
 selective prime implicants
 essential prime implicants
 prime implicants

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

 100 to 999
 1000 to 10,000
 100 to 9,999
 < 10,000

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