ECE 209 Exam 1 Review

Reference card

Learn to use the C Reference Card.

Chapters covered

The first exam covers Chapters 1 to 8 of the textbook. The emphasis is on reading C or writing short sections of C, similar to those you've done in the CodeLab homework.

Homework and assignments covered

The first exam will concentrate on the elements of C covered in the CodeLab homeworks and in Assignments 1 and 2.

The C we've seen

• Types and declarations
  • Legal variable names
  • Integer types
  • Floating point types
• Expressions
  • Operators
    • Arithmetic operators
    • Conversion (casting) operators
    • Comparison operators
    • Logical operators
    • Assignment operators
    • Increment and decrement operators
  • Precedence and associativity

    Class	Example	Associativity
    Unary postfix	++, --	Right to left
    Unary prefix	+, -, !, (type), sizeof, ++, --	Left to right
    Multiplicative	*, /, %	Left to right
    Binary additive	+, -	Left to right
    Comparative binary	<, >, <=, >=	Left to right
    Equality binary	==, !=	Left to right
    Logical and	&&	Left to right
    Logical or	||	Left to right
    Ternary conditional	? |	Right to left
    Assignment operator	=, =*, =/, =%, =+, =-	Right to left
    Comma (sequencing)	,	Left to right

  • Promotion and demotion
• Statements
  • Assignment statements
  • Function calls
    • printf and scanf only
  • Statement blocks
  • Iterative execution
    • while loops
    • for loops
  • Conditional execution
    • if statement
    • if-else statement
    • switch statement
      • case
      • default
      • break
• Odds and ends
  • main
  • Formatted I/O functions
    • printf
    • scanf
      • Use of &
    • conversion specifiers
      • Width and precision
  • Character strings
    • Arrays of characters
    • Null termination
  • Character I/O
    • getchar
    • putchar
  • Robust I/O
    • Handling end-of-file with scanf and getchar
    • Handling improper input with scanf
    • Processing of white space with scanf