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Digital Electronics

Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 01100011
 00110110
 00100100

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 08H
 48H
 42H
 50H

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Digital Electronics
2's Complement of 10101011 is

 00111100
 01010101
 10101100
 10101011

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

 10001110
 01010000
 01001111
 10110000

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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

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

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NOR
 AND
 X-NOR
 NAND

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MORE MCQ ON Digital Electronics

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