ExamAdept

Which bitwise operator is used for the "exclusive or" (XOR)?

A:

and

B:

or

C:

not

D:

^

Answer: D

The ^ operator compares each bit and set it to 1 if only one is 1, otherwise (if both are 1 or both are 0) it is set to 0:

For example:

7 = 0000000000000111
3 = 0000000000000011
--------------------
4 = 0000000000000100
====================

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What is the output of the following code?

num1 = 10
num2 = 20
num3 = 30
result = num1 < num2 and num3 > num2

print(result)

A:

True

B:

False

C:

None

D:

Error

Answer: A

In the code, the logical operator and is used to combine two conditions. The first condition num1 < num2 is True, and the second condition num3 > num2 is also True. So, the overall result is True.

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Which operator is used for performing Bitwise AND operation?

A:

&&

B:

&

C:

||

D:

|

Answer: B

The & operator in Python is used for performing Bitwise AND operation on two operands. For example, 0110 & 0011 will result in 0010 as the output.

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Which operator is used for concatenating two strings?

A:

+

B:

~

C:

.

D:

|

Answer: A

The + operator in Python is used for concatenating two strings. For example, "Hello " + "World" will result in "Hello World".

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What is the result of the following operation: not (3 < 5)?

A:

True

B:

False

C:

Error

D:

None

Answer: B

The not operator is a logical operator that returns the opposite of a Boolean value. In this case, the expression (3 < 5) is True, but the not operator negates it to False.

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Questions for: Operators