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Digital Electronics

Digital Electronics
8421 code is

 weighted code
 non-weighted code
 alphanumeric code
 self-complementing code

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Digital Electronics
Why decoder is used in the digital electronics ?

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

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 X-NOR
 OR
 AND
 X-OR

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Digital Electronics
(11011) 2 in BCD 8421 code is

 11011001
 00100111
 01101100
 00011011

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Digital Electronics
ASCII and EBCDIC codes are

 numeric codes
 error correcting codes
 BCD codes
 alphanumeric codes

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 4
 8
 5
 6

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MORE MCQ ON Digital Electronics

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