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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 None of these
 signed numbers
 unsigned number

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Digital Electronics
The 1’s complement of 11010111 is

 11101000
 10101000
 00101000
 10101000

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Digital Electronics
Which GATE IS CALLED INEQUALITY COMPARATOR?

 4. NOT
 3. XOR
 1. NOR
 2. AND

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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
None of these
 To convert coded information into non coded form

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Digital Electronics
A half adder has

 2 inputs and 2 output
 2 inputs and 1 outputs
 1 input and 2 outputs
 1 input and 1 output

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 16……..
 2, 3, 4, 5, 6, ….
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 12, …

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