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Digital Electronics

Digital Electronics
Combinations that are not listed for the input variables are

 Carry
 Overflow
 Borrow
 Don't Care

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Digital Electronics
To get an excess-3 code from BCD code

 0011 is subtracted
 0110 is added
 0110 is subtracted
 0011 is added

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Digital Electronics
What is the 2’s complement of 10110000?

 01010000
 10110000
 01001111
 10001110

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 12 bits
 8 bits
 10 bits
 16 bits

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Digital Electronics
In a read-only memory information can be stored

 in any of the above ways depending upon the type of memory
 at the time of fabrication
 by the user a number of times
 by the user only once during its life time

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 weight
 size
 cost
 volume

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MORE MCQ ON Digital Electronics

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