Test 1, CSCI 130, Fall 2011

• Please answer each question fully, carefully and thoughtfully.
• No credit will be given for unreadable answers, please write neatly.
• Answer the questions in any order, but please number each answer clearly.
• Make sure that your name is on the test.

1. [4 points] Algorithms
   • What is an algorithm?
   • How is an algorithm used in the program development cycle?
2. [4 points] Problem Solving: Name and Describe two problem solving strategies described in the book.
3. [6 points] Identifier
   • What is an identifier?
   • Give the syntax rules for creating an identifier.
   • Draw a rectangle around one identifier on the back of this page.
4. [6 points] Variables
   • What is a variable?
   • How is a variable different from an constant?
   • Give the conventions for naming a variable for this class.
   • Draw an oval around one variable on the back of this page.
5. [6 points] Additional programming constructs.
   • Draw a single line under a literal constant on the back of this page.
   • Draw a double line under a named constant on the back of this page.
   • Draw a triangle around a reserved word on the back of this page.
   • Place square brackets, [], around a data type on the back of this page.
   • Place parenthesis, (), around a pre-processor directive on the back of this page.
   • Draw an arrow pointing to a standard identifier on the back of this page.
6. [4 points]getline
   • Give the syntax for the getline function.
   • Describe the operation of the getline function.
7. [4 points] Describe each of the following programming tools:
   • Text editor.
   • Compiler

8. [6 points] Comments
   • What is a comment?
   • Describe the syntax for the two types of comments in c++
   • Why does a programmer place comments in a program?
9. [10 points] Give the full c++ code for a program which asks the user for their first and last names, then prints the message Hello firstname lastname!, where firstname and lastname are the input supplied by the user.

#include <iostream>
#include <string>

using namespace std;

const string TOP_LINE = "+=+=+=+=+=+=+=+=+";

int main () {
   string userDay;

   cout << "Enter your favorite day of the week => ";
   getline(cin, userDay);
   cout < <
   cout < TOP_LINE << endl;
   cout << "+" << userDay << "+" << endl;
   cout < TOP_LINE << endl;

   return 0;
}