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Digital Electronics

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

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

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Digital Electronics
NAND. gates are preferred over others because these

can be used to make any gate
have lower fabrication area
consume least electronic power
provide maximum density in a chip.

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Digital Electronics
A binary number system is of base ________

 4
 1
 2
 10

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

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

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Digital Electronics
Which is the example of digital device from the given option ?

 Sensors
 Microprocessors
 Record players
 Thermistors

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Digital Electronics
The 2s complement of 17 is

 101110.
 111110.
  101111.
 110001.

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