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Digital Electronics

Digital Electronics
Slowest memory element is

 Cache
 Hard Drive
 RAM
 ROM

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

None of these
 Output is inverted
 Open collector output
 Tristate

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Digital Electronics
A half adder has

 2 inputs and 2 output
 1 input and 2 outputs
 1 input and 1 output
 2 inputs and 1 outputs

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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.

10 CPS
12 CPS
None of these
120 CPS

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Digital Electronics
The universal gate is ___________

OR gate
None of these
NAND gate
AND gate

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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

 101001
 100111
 001000
 0001111

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