Fundamental Types

1
Fundamental Types

1. What type of C Object is used to represent real
   numbers?
2. What type of Object is used for letters?

2
Escape Sequences

1. What is the C escape sequence for including a
   double quote in a string?
2. What is the C escape sequence for a tab
   character?
3. What numeric form is used for general escape
   sequences?

3
Object Names

• Which of the following are invalid object names
• GPA
• Grade.Pnt
• GradePntAve
• 1stNum
• X-Ray
• R2D2
• 3CPO
• Ave_Cost
• int
• cost
• first name

4
Strings

• How many null bytes in the string Whatever\0

5
String Operators

• Give the output of the following code fragment
• string time 1115
• time PM
• cout ltlt time ltlt endl

6
String Functions

• Give the output of the following code fragement
• string s Beam Me Up Scotty
• cout ltlt s.substr(5, 2) ltlt endl

7
Expressions

• What are the results of the expressions. Express
  as ltvalue, typegt
• 25/7
• 21/3
• 143
• 24.0/4.0
• Given X 4 X 6
• Given Y 3 Y /3
• Given J 2 J ! 3

8
Expressions

• Why is the following code fragment illegal?
• int x 5
• int y
• int z
• (z y) x

9
Programming

• Write a program that reads an elapsed time in
  hhmmss format and computes the elapsed time in
  seconds.

10
Programming

• Write a program to accept temperature expressed
  in Fahrenheit and convert it to Celsius
• Conversion is C 5/9(F 32)