Database, Algorithms, and Data Structures

Discuss the questions with your partner:

1. What apps or websites do you use every day that probably work with a lot of data?
2. Where do you think companies store information? (On paper? On computers? In special systems?
3. What do you think an algorithm is? Can you give a simple example?

Study new words

Speaking Practice (topic-based questions)

1. What information do you think companies store in their databases?
2. Have you ever used a table in Excel or Google Sheets? What for?
3. Can you describe a simple algorithm you use every day?
   (e.g., making tea, choosing clothes, checking emails)
4. Do you think algorithms make life easier? Why/why not?
5. What problems can happen if data is not organized?
6. Why is it important to sort or filter data?
7. If you built your own small database, what information would you store in it?

Homework

• Revise the 20 vocabulary phrases (Quizlet or written cards).

• Write short answers (2–3 sentences each) to the following questions:

1. Why do companies need databases?
2. What is a simple algorithm you know? Explain the steps.
3. Why is data structure important when working with information?
4. Which new words from today’s lesson were the most useful for you?