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Digital Electronics

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

 00100100
 00011111
 00101001
 00011101

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Digital Electronics
The 1’s complement of 11010111 is

 11101000
 00101000
 10101000
 10101000

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Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
EXCLUSIVE OR gate
OR gate
NAND gate

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

 essential prime implicants
 prime implicants
 selective prime implicants
 redundent prime implicants

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Digital Electronics
The hex address of the 256th memory location is

 00100
 000FF
 00FFF
 001FF

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Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A + B
 A.B
 A - B
 A & B

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