Test 2 CSCI 130 Fall 2022

Name ______________________________________

• Please make sure that your name is on this page.
• Please staple this sheet to your answers, this page on top.
• 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.
• You may assume all code given is free from syntax errors. If you find a syntax error please ask.

1. Input
   1. [6 points] Provide a general description of the operation of the following code: You should assume that SomeDataType is a legitimate data type.

      SomeDataType var;
      
      cin >> var; 

   2. [2 points] Specifically if SomeDataType is type string, what happens in the above code?
   3. [2 points] What does the function getline(stream, string) do?

2. Comments
   1. [4 points] Name and describe the two types of comments available in c++
   2. [2 points] Given an example of each type of comment.
   3. [4 points] Other than comments, name two ways a programmer can write self documenting code.

3. Strings and chars
   1. [2 points] What is the American Standard Code for Information Interchange (ASCII)?
   2. [2 points] Why is a char considered an integer type?
   3. [2 points] How is char treated differently than other integer types?
   4. [2 points] What is a string?

4. Data Types
   1. [3 points] Name the three types of floating point type.
   2. [2 points] What does the reserved word unsigned do to an integer type?
   3. [3 points] What is the difference in these types?
   4. [4 points] What is numeric overflow and when does it occur? Given an example.

5. Coding
   1. [10 points] Write a segment of code that asks a user for a first name, reads that in then asks for a last name and reads that in. Your program should allow for a single word first name, but a multi word last name. You should not process extra names supplied with the first name.