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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

 32 × 8
 64 × 4
 256 × 1
 16 × 16

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Digital Electronics
The voltage levels for negative logic system

 may be negative or positive
 must necessarily be positive
 must necessarily be 0 V and –5 V
 must necessarily be negative

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Digital Electronics
Fastest memory element is

 ROM
 Hard Drive
 Cache
 RAM

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Digital Electronics
The resolution of a 12 bit analog to digital converter in percent in

  0.02441.
 0.04882.
 0.09760.
  0.01220.

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Digital Electronics
1’s complement of 17 is

  01110.
 11100.
 10111.
 10001.

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 129
 1023
 9
 32

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