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Digital Electronics

Digital Electronics
Which of the following codes is known as the 8421 code?

 XS-3 code
 BCD code
 ASCII code
 Gray code

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

 12.
 24.
  6.
  10.

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 4
 8
 12
 16

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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
 Equal to the MSB of the original byte
 0

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 8
 4
 1
 2

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 00000001
 11000110
 01000110

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