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Digital Electronics

Digital Electronics
The number of rows in the truth table of a 4-input gate is

 4
 8
 12
 16

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin1
 Pin14
 Pin2

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Digital Electronics
How many output is high of NOR GATE ?

 2
 1
 4
 3

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

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
CMOS
TTLAS
ECL

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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?

PLCC
BGA
PGA
QFP

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