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Digital Electronics

Digital Electronics
A sequence of binary digits is known as

 bit string
 input string
 word string
 byte string

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

 AND
 OR
 NOR
 XOR

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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
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 6
 8
 7
 9

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 7
 9
 6
 8

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 8
 2
 4
 6

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