C++ basics

Question 1

to be able to interact with the users keyboard inputs and be able to put text onto the screen what line of code is neede

Answer 1

#include 
using namespace std;

Question 2

output text to screen line

Answer 2

cout &laquo_space;“text”;

Question 3

to output new line in text

Answer 3

\n

Question 4

to output a tab character in text

Answer 4

\tab

Question 5

to start a sing line comment

Answer 5

//

Question 6

to start a multiple line comment

Answer 6

/*

Question 7

floating point representation of a number vs int representation

Answer 7

5 vs 5.0

Question 8

do #include lines end with semi colon

Answer 8

no

Question 9

decalre a variable called celcius of type int

Answer 9

int celsius;

Question 10

assign a declared variable called Celsius the number 5

Answer 10

celcius = 5;

Question 11

send three outputs to the screen in one line
these are:
int fahr
tab char
int celcius

Answer 11

cout &laquo_space;fahr &laquo_space;‘\t’ &laquo_space;celcius;

Question 12

get input from the user. The input will be assigned to the already defined int i

Answer 12

cin&raquo_space; i;

Question 13

get input from the user. There will be 2 inputs. They will be assigned to the already defined ints i and j

How can it separate this input

Answer 13

cin&raquo_space; i&raquo_space; j;

white space characters tells it when to move onto next int

Question 14

line to include string class

Answer 14

include

Question 15

line to include file reading

Answer 15

include

Question 16

create a file stream object called myinput

and then connect the file called file_of_words to the file stream onject

Answer 16

ifstream myinput;

my input.open(“file_of_words”);

Question 17

in order to create a fucntion you must first

Answer 17

define it

Question 18

to include an external function from another file in your program what line of code must be used

eg power function which is of type int and takes two ints of base and exponent

Answer 18

extern int power(int base, int exponent);

in the top of program