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Digital Electronics

Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 XNOR
 NOR
 OR
 XOR

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 100111
 101001
 001000
 0001111

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Digital Electronics
Which of the following is a self-complementing code?

 Hamming code
 XS-3 code
 cyclic code
 Gray code

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Digital Electronics
Why encoder is used in the digital electronics ?

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

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Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 01100011
 00110110
 00100100

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

None of these
10 CPS
12 CPS
120 CPS

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