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Digital Electronics

Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,767
 65,536
 32
 32,768

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 1
 Complement of the MSB of the original byte
 0
 Equal to the MSB of the original byte

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Both (II)&(III)
 Only (II)
 Only (III)
 Both (I)&(III)

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

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

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Digital Electronics
In LSI, the number of gate circuits per chip is

 100 to 999
 100 to 9,999
 < 10,000
 1000 to 10,000

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Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  255.
  8.
 256.
 16.

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