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Digital Electronics

Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 9
 6
 8
 7

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Digital Electronics
A half adder has

 1 input and 1 output
 2 inputs and 2 output
 2 inputs and 1 outputs
 1 input and 2 outputs

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 AND gates
 X-OR gates
 NOR gates
 NAND gates

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Digital Electronics
How many output is high of NOR GATE ?

 2
 1
 3
 4

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 0, C = 1
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 0
 A = 1, B = 1, C = 1

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NOT
 NAND
 OR
 AND

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