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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001000
 01110011
 00001100

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Digital Electronics
Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

BGA
PLCC
PGA
QFP

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Digital Electronics
An AND gate can be imagined as

 switches connected in parallel
 transistors connected in series
 transistors connected in paralle
 switches connected in series

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-OR realization
 AND-NOT realization
 OR-AND realization
 NOT-OR realization

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 AND
 NOR
 NAND
 X-NOR

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

 0 and 4
 0 and 3
 1 and 4
 1 and 3

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