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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 NOR gate
 X-OR gate
 X-NOR gate
 NAND gate

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

 coder
 code encoder
 code converter
 code decoder

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Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  8.
  255.
 256.
 16.

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Digital Electronics
1 Gigabyte is equal to

 1024 Mbytes
 1024 bytes
 1024 bits
 1024 kbytes

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more squared than NOR
 OR is more oval than NOR
 OR has got a bubble at its output terminal
 NOR has got a bubble at its output terminal

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Digital Electronics
A single flip-flop can be cleared (reset) to

 0
 1
 Both A and B
 None

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