C- Floating Point Issues MCQ - Practice Questions

Question 1

Which statement will you add in the following program to work it correctly?
#include<stdio.h>
int main()
{
    printf("%f
", log(36.0));
    return 0;
}

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Question 2

What is the primary reason for floating-point representation errors in computing?

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Question 3

What is the "hidden bit" in IEEE 754 normalized numbers?

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Question 4

We want to round off x, a float, to an int value, The correct way to do is

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Question 5

Which technique helps reduce floating-point errors in summation operations?

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Question 6

What is the "unit in the last place" (ULP) error?

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Question 7

A float occupies 4 bytes. If the hexadecimal equivalent of these 4 bytes are A, B, C and D, then when this float is stored in memory in which of the following order do these bytes gets stored?

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Question 8

What will you do to treat the constant 3.14 as a float?

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Question 9

Which operation is generally safe from catastrophic cancellation?

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Question 10

What is "catastrophic cancellation" in floating-point arithmetic?

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