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Digital Electronics

Digital Electronics
Which number system has a base of 16

 None
 Octal
 Decimal
 Hexadecimal

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 0
 1
 Equal to the MSB of the original byte
 Complement of the MSB of the original byte

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

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

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Digital Electronics
An 8-square is called

 a quad
 a pair
 a cube
 an octet

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Digital Electronics
NAND. gates are preferred over others because these

can be used to make any gate
have lower fabrication area
consume least electronic power
provide maximum density in a chip.

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Digital Electronics
Which logic family provide minimum power dissipation

 JFET
 CMOS
 TTL
 ECL

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