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Basic Input and Output in C++

Question 20

What ensures that the data entered in the console is read using stdc in?

A.Extraction Operator

B.Insertion Operator

C.File Stream

D.String Header

Question 1

What does stdc out stand for in C++?

A.Standard Character Output

B.Standard Code Output

C.Stand Character Output

D.Standard Console Output

Question 2

What operator is used with stdc out to display data?

A.Insertion Operator (<<)

B.Extraction Operator (>>)

C.Multiplication Operator (*)

D.Division Operator (/)

Question 3

What is demonstrated with the example using stdc out and the number '42'?

A.Converting integer to sequence of characters

B.Reading input from console

C.Inserting strings

D.Using multiplication

Question 4

What symbol combination represents the insertion operator in C++?

A.<<

B.>>

C.+=

D.==

Question 5

What is std end l used for in C++ programs?

A.To indicate a new line

B.To include a header file

C.To end a program

D.To read input

Question 6

What library header file must be included to use stdc out?

A.IO stream

B.Standard Lib

C.Input Output

D.File Stream

Question 7

What does stdcin stand for?

A.Standard Character Input

B.Standard Code Input

C.Standard Console Input

D.Standard Comment Input

Question 8

Which operator works with stdcin to read user input?

A.Extraction Operator (>>)

B.Insertion Operator (<<)

C.Addition Operator (+)

D.Equality Operator (==)

Question 9

Why might you use stdc in?

A.To read input from the keyboard

B.To display output to the screen

C.To define functions

D.To import libraries

Question 10

How can you chain operators to receive multiple inputs from stdc in?

A.Using multiple extraction operators

B.Using multiple insertion operators

C.Using commas

D.Using semicolons

Question 11

In the provided examples, what variable is used to store the age of a person?

A.age

B.gender

C.name

D.value

Question 12

Which of these headers is required to use stdend l?

A.IO stream

B.Math

C.String

D.Algorithm

Question 13

What is the role of stdc out in a program?

A.To display output to the console

B.To read input from console

C.To execute loops

D.To define variables

Question 14

What would the output of the statement 'stdcout << "Age is " << age;' be if age is 42?

A.Age is 42

B.Age is 24

C.42 is Age

D.Age of 24

Question 15

What does stdc end l do in a C++ program?

A.Provides a new line

B.Ends the program

C.Starts a loop

D.Declares variables

Question 16

What is the main function of stdc in?

A.To receive input from the user

B.To perform calculations

C.To display output

D.To import headers

Question 17

In the example, what data type is used for the variable 'age'?

A.int

B.char

C.double

D.string

Question 18

How is 'stdc in' used in the example to receive input?

A.With the extraction operator

B.With the insertion operator

C.With the addition operator

D.With the multiplication operator

Question 19

What is the significance of 'stdc out' in C++ when displaying characters?

A.Displays characters as sequence of characters in console

B.Reads characters as sequence of characters

C.Stores characters

D.Defines characters