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Digital Electronics

Digital Electronics
(11011) 2 in BCD 8421 code is

 00011011
 00100111
 01101100
 11011001

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Sequential
 Conversion
 Combinational
 Both A and B

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 8
 4
 1
 2

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
TTLAS
CMOS
ECL

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

None of these
NOT operation
OR operation
AND operation

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Tristate
 Output is inverted
None of these
 Open collector output

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