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Digital Electronics

Digital Electronics
Which of the following codes is known as the 8421 code?

 Gray code
 ASCII code
 XS-3 code
 BCD code

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 prime implicants
 essential prime implicants
 selective prime implicants
 redundent prime implicants

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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
A hexadecimal odometer displays F 52 F. The next reading will be

G52F
F53F
F53O
F52E

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 16 input MUX
 4 input MUX
 8 input MUX
 6 input MUX

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Digital Electronics
In Boolean algebra A.A is equal to

 2A
 1
 A
 A²

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