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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 7
 4
 16
 15

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 OR gate
 X-OR gate
 AND gate
 X-NOR gate

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Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 01100011
 00100100
 00110110

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Digital Electronics
In Boolean algebra A.A is equal to

 1
 2A
 A²
 A

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n
2n-1
22n
2n

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Digital Electronics
Each term in the standard POS form is called a

 don’t care
 literal
 maxterm
 minterm

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