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Digital Electronics

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

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

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

 unstable state
 trigger
 inverter
 tri-state

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an OR or a NAND
 an X-OR or an X-NOR
 a NAND or a NOR
 an AND or an X-NOR

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+yz
 y+xz
 x+xyz
 x+y

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 423
 4231
 2201
 1324

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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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