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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 1 and 3
 0 and 3
 0 and 4

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NOR-NAND realization
 NOR-NOR realization
 NAND-NAND realization
 NAND-NOR realization

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Digital Electronics
Which logic family provide minimum power dissipation

 JFET
 CMOS
 TTL
 ECL

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Digital Electronics
Why decoder is used in the digital electronics ?

 It is used to separate address bus and data bus
None of these
 To convert coded information into non coded form
 To convert non coded information into coded form

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Digital Electronics
Switching circuits are

 digital circuits
 none of these
 analog circuits
 hybrid circuits

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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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