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Digital Electronics

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

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

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 1 and 4
 0 and 3
 1 and 3

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Digital Electronics
How the digital signals is transmitted through a single conductor ?

 Parallel
 Analog
None of these
 Serial

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10101010
 11111111
 11101110
 10011001

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

G52F
F52E
F53F
F53O

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

 16.
 256.
  255.
  8.

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