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Digital Electronics

Digital Electronics
A latch is ________ sensitive

 level
 edge
 both level and edge
 None

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an AND
 a NAND or an X-OR
 a NAND or an X-NOR
 a NOR or an X-NOR

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Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 00100100
 00110110
 01000100

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Digital Electronics
How many numbers are used in the decimal number system?

None of these
 0 to 10
 1 to 10
 0 to 9

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Hamming code
 XS-3 code
 Gray code
 8421 code

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Digital Electronics
What is the 2’s complement of 10110000?

 10001110
 01001111
 01010000
 10110000

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