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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

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

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Both (I)&(IV)
 Both (II)&(III)
 Both (I) & (II)
 Only (II)

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Digital Electronics
A latch is ________ sensitive

 level
 edge
 both level and edge
 None

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is subtracted
 0011 is added
 0110 is added
 0110 is subtracted

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

 MOS ICs
 ECL ICs
 TTL ICs
 CMOS ICs

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 inverter
 trigger
 tri-state
 unstable state

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