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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 15
 7
 16

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Digital Electronics
In a T flip-flop no of input circuit is

 4
 1
 2
 3

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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?

PGA
QFP
PLCC
BGA

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 0 V and 5 V
 1 V and 5 V
 5 V and 0 V
 –1.5 V and – 0.5 V

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

 1 V.
 0.01 V.
  1 mV.
 1.1 V.

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Digital Electronics
The fan put of a 7400 NAND gate is

2TTL
10TTL
8TTL
5TTL

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