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Digital Electronics

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

  1 mV.
 1.1 V.
 1 V.
 0.01 V.

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Digital Electronics
How many stable state/states present in flip-flop ?

 2
 3
 4
 1

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Digital Electronics
The fan put of a 7400 NAND gate is

2TTL
5TTL
10TTL
8TTL

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -128 to 127
 -256 to 255
 -127 to 127

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Digital Electronics
Which of the following codes is known as the 8421 code?

 BCD code
 Gray code
 XS-3 code
 ASCII code

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 47,877
 none
 48,877
 48,777

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MORE MCQ ON Digital Electronics

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