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Digital Electronics

Digital Electronics
The 2s complement of 17 is

 111110.
 110001.
 101110.
  101111.

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Digital Electronics
In Boolean algebra A.A is equal to

 A
 2A
 A²
 1

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Digital Electronics
The NAND gate is AND gate followed by ___________.

NOT gate
AND gate
OR gate
None of these

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 0, C = 1
 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 1

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Digital Electronics
A binary number system is of base ________

 2
 1
 10
 4

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 3
 1
 2
 4

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