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Range of Integers in C++

Question 10

What is the main utility of deriving the formula for integer range in C++?

A.To simplify graphical outputs

B.To determine memory usage

C.To calculate possible integer values

D.To enhance computational speed

Question 1

What is the topic of the lecture discussed in the article?

A.Fundamental data types

B.Range of integers

C.Variable scope

D.Memory allocation

Question 2

Why was a 3-bit integer data type considered in the lecture?

A.Because it's a standard in C++

B.For simplification in calculation

C.To explore its actual size

D.To match real-world examples

Question 3

What is the range of positive integers for a 3-bit data type?

A.0 to 4

B.0 to 8

C.0 to 7

D.1 to 7

Question 4

What does each bit of a binary number represent in the context of calculating integer value?

A.Its own value

B.Positional weight

C.Magnitude of the number

D.None of these

Question 5

For a 3-bit data type, what is the negative integer equivalent of the binary number 101?

A.-1

B.-2

C.-4

D.-3

Question 6

What is the formula to calculate the range of positive integers for n bits?

A.0 to 2^n - 1

B.0 to n^2 - 1

C.1 to 2^n

D.0 to 2*n - 1

Question 7

When both positive and negative values are considered for a 3-bit data type, what is the range?

A.-3 to +4

B.-4 to +3

C.0 to +7

D.-7 to +0

Question 8

How can -4 be represented using powers of 2 for a 3-bit signed integer?

A.-2^3 - 1

B.-2^2

C.-2^1

D.-2^3

Question 9

In terms of the formula derived for signed integers, what does -2^n represent?

A.The highest negative number

B.The smallest positive number

C.The number zero

D.The smallest negative number