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Digital Electronics

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

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

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
OR gates
NAND gates
None of these

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 EAROM
 PROM
 ROM
All of these

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Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 00111100
 11000100
 10111100

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 256
 255
 128
 8

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Digital Electronics
8421 code is

 alphanumeric code
 non-weighted code
 self-complementing code
 weighted code

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