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Digital Electronics

Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 byte
 word
 bit
 nibble

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

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Digital Electronics
Why encoder is used in the digital electronics ?

 It is used to separate address bus and data bus
 To convert non coded information into coded form
 To convert coded information into non coded form
None of these

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

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Digital Electronics
The following code is not a BCD code.

 XS-3 code
 Gray code
 8421 code
 all of these

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 AND gates
 NOR gates
 NAND gates

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MORE MCQ ON Digital Electronics

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