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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

 essential prime implicants
 redundent prime implicants
 prime implicants
 selective prime implicants

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be negative
 may be positive or negative
 must necessarily be 0 V and 5 V
 must necessarily be positive

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

None of these
 A= G
 G = A
 G = Ā

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Digital Electronics
(1D)16 in BCD 8421 code is

 00011101
 00101001
 00011111
 00100100

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Digital Electronics
A byte is equal to ________ bits.

 16
 32
 4
 8

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