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Subgoals

Section 2.27 Expressions-WE9-P1

Subgoals for evaluating an assignment statement.

  1. Determine resultant data type of expression
  2. Update variable for pre operators based on side effect
  3. Solve arithmetic equation, operator precedence
  4. Is the Left Hand Side (LHS) of the assignment statement a variable? Check the data type of the value on right hand side (RHS) against data type of LHS variable.
  5. Update variable for post operators based on side effect

Subsection 2.27.1

A truth tables shows all possible combinations of input values for a set of variables, and the corrsponding outputs.
The “Line #” column of the chart below corresponds to the following multiple choice questions. Complete this truth table by choosing “true” or “false” for each Line #.
Figure 2.27.1.

Exercises Exercises

1.
    Q67: Line #1
  • true
  • false
2.
    Q68: Line #2
  • true
  • false
3.
    Q69: Line #3
  • true
  • false
4.
    Q70: Line #4
  • true
  • false
5.
    Q71: Line #5
  • true
  • false
6.
    Q72: Line #6
  • true
  • false
7.
    Q73: Line #7
  • true
  • false
8.
    Q74: Line #8
  • true
  • false
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