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Digital Electronics

Digital Electronics
The 7-bit Hamming code is used to transmit

 no data bits
 3 data bits
 4 data bits
 7 data bits

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Open collector output
None of these
 Tristate
 Output is inverted

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Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 11
 12
 13
 10

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Digital Electronics
16’s complement of BABA is?

 4446
 4544
 4445
 4546

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Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 encoder
 code converter
 decoder

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 1, B = 1, C = 1
 A = 1, B = 0, C = 1
 A = 0, B = 0, C = 0

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