output

Question 1

1) Syntax

Answer 1

cout &laquo_space;Expression; OR
cout &laquo_space;Expression &laquo_space;Expression … &laquo_space;Expression;
2) Each Expression MUST be preceeded by a “

Question 2

3) Expression Types:

Answer 2

5 types
Identifier name
Literal string or char
 Output manipulator
Mathematical Expressions
Value-returning functions

Question 3

Type #1 - Identifier name

Answer 3

(outputs the value of the indentifier)
Example:
int num1 = 25;
cout &laquo_space;num1;

Question 4

Type #2 - Literal string or char

Answer 4

(outputs the value between the quotes)
						Example:
						cout << '%';
						cout << "B a L l";
						cout << "\n";

Question 5

Type #3 - Output manipulator

Answer 5

a. endl (end-line) - it causes a carriage return (or use "\n")
						Example:
						cout << endl;
					 b. setprecision
					 c. fixed

Question 6

Type #4 - Mathematical Expressions

Answer 6

Example:
cout &laquo_space;5 + 8;
cout &laquo_space;num1/10;

Question 7

Type #5 - Value-returning functions

Answer 7

Example:
cout &laquo_space;cos(10.9);
cout &laquo_space;sqrt(32.4);

Question 8

In order to modify the output you see on the screen,

Answer 8

you MUST change either the type 1, 2, 3, 4, or 5.

Question 9

Output the following. Make sure the cursor is on
the next line after the output.
1) Good evening class!

Answer 9

//1
cout &laquo_space;“Good evening class!”;
cout &laquo_space;endl;
cout &laquo_space;endl;

Question 10

Output the following. Make sure the cursor is on
the next line after the output.
2) Your grade was a:

Answer 10

//2
   float grade = 100;
   cout << "Your grade was a: ";
   cout << grade;
   cout << endl;
   cout << endl;

Question 11

Output the following. Make sure the cursor is on
the next line after the output.
3) + =

Answer 11

//3
   int n1 = 0;
   int n2 = 0;
   int sum = 0;

   //assign values   
   n1 = 45;
   n2 = 55;
   sum = n1 + n2;

cout

Question 12

Output the following. Make sure the cursor is on
the next line after the output.
4) = ( + ) /

Answer 12

//4
   float avg = 0;
   const int TOTAL_NUM_VALUES = 2;

   //assign values   
   avg = (n1 + n2) / TOTAL_NUM_VALUES;

cout &laquo_space;avg;
cout