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Digital Electronics

Digital Electronics
Which of the following logic circuits is the fastest ?

 All have same speed.
 RTL.
 DTL.
 TTL.

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m-1
 2m
 2m+1

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Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001100
 00001000
 01110011

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Digital Electronics
2's Complement of 10101011 is

 10101011
 00111100
 10101100
 01010101

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

 Gray code
 XS-3 code
 ASCII code
 BCD code

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Digital Electronics
All the integers and decimal numbers are represented by

 even numbers
 whole numbers
 real numbers
 odd numbers

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