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Digital Electronics

Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 01100011
 01000100
 00100100

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Digital Electronics
9’s complement of 52784630 is

 58326479
 48225469
 57316379
 47215369

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Digital Electronics
A + Ā is equal to

 1
 Ā
 0
 A

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 01011101
 11011110
 10100010
 11011101

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

None of these
NAND gates
OR gates
NOT gates

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Digital Electronics
The output of a NAND gate is low

 only when at least one input is low
 only when all the inputs are low
 only when all the inputs are high
 only when at least one input is high

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