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Digital Electronics

Digital Electronics
The 1’s complement of 11010111 is

 00101000
 11101000
 10101000
 10101000

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 AND gates
 NOR gates
 NAND gates

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 128
 256
 8
 255

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NOR
 AND, OR, and NOT
 X-OR
 NAND

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Digital Electronics
2-out-of-5 code is

 self-complementing code
 alphanumeric code
 weighted code
 non-weighted code

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

 01000110
 00000001
 11000110
 00111001

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