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Digital Electronics

Digital Electronics
Logic circuits are

 hybrid circuits
 analog circuits
 digital circuits
 none of these

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Digital Electronics
A byte is equal to ________ bits.

 32
 4
 8
 16

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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
 1324
 2201

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Digital Electronics
Positive integers must be represented by

 None of these
 unsigned number
 Both A and B
 signed numbers

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
 three 3-input OR gates and one 3-input AND gate
 four input NAND gates only
None of these

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Digital Electronics
A demultiplexer is a

 1-to-1 device
 N-to-N device
 N-to-1 device
 1-to-N device

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