Day 4
Authored by Uday Sk
Computers
12th Grade - University
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Which operator has highest precedence in python and what is its associativity?
Exponent(**), Left-to-Right
Exponent(**), Right-to-left
Multiplication- left-to-right
Multiplication-Right-to-Left
Answer explanation
Exponent operator (**) has the highest precedence in python with associativity from left to right
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
print(6 & 2)
what will be the result of the following?
3
2
1
4
Answer explanation
6 - 110
3 - 011
----------
&-010 => 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
print(7 | 2)
what will be the output?
2
6
7
8
Answer explanation
7 - 111
2 - 010
--------
| - 1 1 1 => 7
--------
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
a = 1 1 0 1
b = 1 0 1 0
what will be a^b?
1111
0111
1110
0000
Answer explanation
In bitwise xor operation, the result will be 0 if the operands are same and 1 if the operands are diferent.
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
a = 5 (101 in binary)
what will be a<<3, when is it is 32-bit representation?
20
40
80
120
Answer explanation
in 16-bit representation, 5 in binary can be represented as:
5 => 0000000000000101
5 << 3 will be
0000000000101000
which is equal to 40
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
a = 5
b = 3
a-=2
print(a is not b)
true
True
False
TRUE
Answer explanation
a becomes 3 when a = a-2
b = 3.
so, both will share same memory space. Hence a is not b will return False
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
print("hello" is str)
what will be the output?
True
False
Error
Answer explanation
"is" operator cannot be used with string literals
Error is :
SyntaxWarning: "is" with a literal. Did you mean "=="? print("hello" is str)
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