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Digital Electronics

Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 13
 12
 10
 11

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Digital Electronics
The way of representing numbers in the form of 0s and 1s is called as

 Binary Notation
 Zeros Notation
 Ones Notation
 Computer Notation

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Digital Electronics
Why encoder is used in the digital electronics ?

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

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Digital Electronics
In Boolean algebra, OR is represented by

 /
 -
 +
 ×

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, NOR
 XOR, OR
 OR, NOR
 NOR, XNOR

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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?

 2:3
 1:2
 1:1
 2:1

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