Data Types MCQs

100 MCQs  (Page 4 of 10)

Attempt Data Types Quiz
How are the 64 bits of an IEEE 754 double-precision number divided?
1 sign bit, 15 exponent bits, 48 fraction bits
1 sign bit, 11 exponent bits, 52 fraction bits
1 sign bit, 8 exponent bits, 55 fraction bits
2 sign bits, 10 exponent bits, 52 fraction bits
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Approximately how many significant decimal digits do float and double provide?
Both about 7
float about 7; double about 15–16
float about 3; double about 7
float about 15; double about 30
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In C++ or Java, what does the expression NaN == NaN evaluate to?
Undefined behavior
true
false
It throws an exception
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In Python, what does 1.0 / 0.0 produce?
ZeroDivisionError
0.0
nan
inf
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In Java, what does 1.0 / 0 evaluate to?
NaN
An ArithmeticException is thrown
0
Infinity
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What are round(2.5) and round(0.5) in Python 3?
2 and 1
3 and 1
2 and 0
3 and 0
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In C++, given float f = 0.1f; double d = 0.1;, what does f == d evaluate to?
true
false
Compilation error
Undefined behavior
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What does float('inf') > 10**1000 evaluate to in Python?
TypeError
False
True
OverflowError
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What is -7.0 // 2 in Python?
-3.0
-3.5
-4
-4.0
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What is type(1e20) in Python?
long
decimal
float
int
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Word of the Day
02 Nov
Obligation
an act or course of action to which a person is morally or legally bound; a duty or commitment.
احسان، فرض، ذمہ داری

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