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Digital Electronics

Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 AND
 OR
 XOR
 NOR

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Digital Electronics
Temperature variation is a/an

 None
 Either Digital or Analog quantity
 Analog quantity
 Digital quantity

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

 1 V and -5 V
 5 V and 0 V
 0 V and 5 V
 –1.5 V and – 5 V

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 16……..
 2, 4, 6, 10, 12, …
 2, 3, 4, 5, 6, ….
 2, 4, 6, 8, 10, …..

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Digital Electronics
How many input and output required for demultiplexer ?

None of these
 one input and one output
 number of selection inputs and one output
 one input and many output

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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

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

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