QUESTION 6 What is the difference between \"cin\" and \"getline\" ? in one sente

Question

QUESTION 6

What is the difference between "cin" and "getline" ? in one sentence.

Path: p

Words:0

10 points   

QUESTION 7

What should be changed in this code so that it performs the intended function ?

#include<iostream>

#include<string>

using namespace std;

char q;int main()

{

int name;

cout << "Enter your first and last names ";

getline(cin, name);

cout << " Your name is: " << name;'

cout << " Enter a letter to exit." << endl;

cin >> q;

return 0;

}

Change char q; to string q;

Change int name; to string name;

Change getline(cin, name); to cin >> name;

Change int name; to char name;

10 points   

QUESTION 8

The following code will compile:

#include<iostream>

#include<string>

using namespace std;

char q;int main()

{

int zip1, zip2, zip3, zip4;

cout << "Enter four different zip-codes ";

cin >> zip1 >> zip2;cin >> zip3 >> zip4;

cout << " Enter a letter to exit." << endl;cin >> q;

return 0;

}

True

False

10 points   

QUESTION 9

What is wrong in the following code?

#include<iostream>

#include<string>

using namespace std;

char q;

int main()

{

int zip1, zip2, zip3, zip4;

cout << "Enter three different zip-codes ";

cin >> zip1 >> zip2 >> zip3 >> zip4;

cout << " Enter a letter to exit." << endl;

cin >> q;

return 0;

}

This code will not compile.

The compiler expect four entry while the user will enter three different numbers.

The compiler expect three entries while the user want to enter four values.

Nothing is wrong with this code.

10 points   

QUESTION 10

Write a code that:

ask the user to enter a variable, then save the user entry as x of type double.

set y = ( ( -x - sqrt(x^2 - 8*x) )/ (2 - x);

if denominator is zero then display "undefined"

else

display the value for y

Compile your code.

Test your programme with x = -1

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Path: p

Words:0

Explanation / Answer

QUESTION-6) Difference between "cin" and "getline"

The difference that i see it that, in getline you will get the spaces all in input, but in cin spaces are not allowed.

QUESTION-7)

b.    Change int name; to string name;

Because you cant store string in int type datatype

QUESTION-8)

The following code will compile

QUESTION-9)

d.    Nothing is wrong with this code.

It will compile perfectully

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