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Digital Electronics

Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 AND
 NOR
 OR
 none of these

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

 10110000
 01001111
 01010000
 10001110

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Digital Electronics
How many input and output required for multiplexer ?

 One input and one output
 One input and many output
 Many input and one output
None of these

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 Complement of the MSB of the original byte
 1
 Equal to the MSB of the original byte
 0

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Digital Electronics
In decimal number system what is MSD

 Mean of all digits
 First digit from left to right
 Middle digit
 First digit from right to left

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Digital Electronics
9’s complement of 52784630 is

 48225469
 57316379
 47215369
 58326479

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