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Digital Electronics

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

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

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Digital Electronics
The boolean algebra is mostly based on

 Standard theorem
 De Morpans theorem
 De Morgans theorem
 Boolean theorem

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 10767
 17670
 17067
 17607

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 64 × 4
 16 × 16
 32 × 8
 256 × 1

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Digital Electronics
In flip flop clock is present but in latch clock is

  absent always.
  may be present/absent.
  none.
  present always.

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Digital Electronics
A group of four bits is known as

 Nibble
 Byte
 Word
 Bit

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