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Digital Electronics

Digital Electronics
Which circuit is used in between two systems having two different codes

 Conversion
 Both A and B
 Sequential
 Combinational

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Digital Electronics
Most of the digital computers do not have floating point hardware because

It is not possible to perform floating point addition by hardware
Of no specific reason
It is slower than software
Floating point hardware is costly

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 6
 10
 9
 12

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1000
 0011
 1001
 1100

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

 10 bits
 8 bits
 16 bits
 12 bits

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Digital Electronics
Which of the following is 2’s complement of +12?

 00001100
 01110011
 00000011
 00001000

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