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Digital Electronics

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

 256 × 1
 32 × 8
 16 × 16
 64 × 4

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

 17067
 17670
 17607
 10767

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Digital Electronics
Which of the following is not a transmission medium?

 Microwave systems.
 Coaxial cables.
 Telephone lines.
  Modem.

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

 1 and 4
 1 and 3
 0 and 4
 0 and 3

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 5
 6
 7
 8

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Digital Electronics
10’s complement of 63325600 is

 36674400
 633256600
 366744399
 36774400

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