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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 NOR gate
 OR gate
 X-OR gate
 NAND gate

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Digital Electronics
The universal gate is ___________

AND gate
NAND gate
OR gate
None of these

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code decoder
 coder
 code converter
 code encoder

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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.

12 CPS
None of these
10 CPS
120 CPS

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Digital Electronics
A number system with radix 2 is known as

 Decimal
 Binary
 Hexadecimal
 Octal

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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

 001000
 101001
 0001111
 100111

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