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Digital Electronics

Digital Electronics
An all or nothing gate is the other name of

 X-NOR gate
 X-OR gate
 OR gate
 AND gate

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 ECL ICs
 CMOS ICs
 TTL ICs
 MOS ICs

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 X-OR gate
 NOR gate
 NAND gate
 X-NOR gate

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Digital Electronics
A bubbled OR gate is equivalent to a

 NOR gate
 X-OR gate
 AND gate
 NAND gate

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:1
 1:1
 2:3
 1:2

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Digital Electronics
1’s complement of 17 is

  01110.
 10111.
 11100.
 10001.

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