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Digital Electronics

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

 Gray code
 ASCII code
 BCD code
 XS-3 code

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Digital Electronics
Unit distance code is the other name of

 self-complementing code
 XS-3 code
 sequential code
 cyclic code

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 XS-3 code
 BCD code
 binary code
 Gray code

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Digital Electronics
In Boolean algebra A.A is equal to

 1
 A²
 2A
 A

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Digital Electronics
A number system with radix 2 is known as

 Decimal
 Binary
 Hexadecimal
 Octal

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Digital Electronics
2's Complement of 10101011 is

 10101011
 00111100
 10101100
 01010101

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