Example (computer problem)

• Problem 2: Count the number of times the letter ‘a’ occurs in a piece of text.

• Solution:

• 1. Initialize Acounter = 0; // Assignment - memory

2. Input a character from input. //input

3. If it is an “a” then // selection

Increment Acounter; // arithmetic - memory

4. Repeat steps 2 - 3 until end of input. //repetition

5. Output Acounter. // output

6. Exit

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