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Digital Electronics

Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:1
 2:3
 1:1
 1:2

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Digital Electronics
Why decoder is used in the digital electronics ?

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

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Digital Electronics
Unit distance code is the other name of

 cyclic code
 sequential code
 self-complementing code
 XS-3 code

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Digital Electronics
Each term in the standard SOP form is called a

 maxterm
 don’t care
 minterm
 literal

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 0, K = 0.
 J = 1, K = 0.
 J = 1, K = 1.
 J = 0, K = 1.

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Digital Electronics
Why encoder is used in the digital electronics ?

 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
None of these

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