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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 48225469
 47215369
 57316379
 58326479

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Digital Electronics
The process of entering information in EPROM is commonly known as

None of these
 writing
 storing
 programming

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -127 to 127
 -256 to 255
 -128 to 127

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

 1,00,000 to 10,00,000
 50,000 to 99,999
 > 50,000
 > 1,00,000

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Digital Electronics
A NAND gate is called a universal logic element because

It is used by everybody
All the minization techniques are applicable for optimum NAND gate realization
Any logic function can be realized by NAND gates alone
Many digital computers use NAND gates.

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Three inputs and one output
 Two inputs and two outputs
 Two inputs and three outputs
 Three inputs and two outputs

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