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Digital Electronics

Digital Electronics
A + Ā is equal to

 Ā
 1
 0
 A

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Digital Electronics
How the digital signals is transmitted through a single conductor ?

 Parallel
None of these
 Serial
 Analog

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

 16 bits
 8 bits
 10 bits
 12 bits

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Digital Electronics
What is the radix of octal number system ?

 8
 2
 10
 16

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -37 as 11011011
 -89 as 10100111
 -48 as 11101000
 -32 as 11100000

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Digital Electronics
Why encoder is used in the digital electronics ?

None of these
 To convert coded information into non coded form
 To convert non coded information into coded form
 It is used to separate address bus and data bus

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