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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 7
 15
 16

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 100001001
 000010011
 000001001
 000010010

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Digital Electronics
Positive integers must be represented by

 None of these
 unsigned number
 signed numbers
 Both A and B

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin14
 Pin2
 Pin1

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

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

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 2
 4
 6
 8

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