Unit 1: Computer Systems + Ch 2

2. Dana is learning about the brief history of computer systems. She reads about the invention of the transistor. What was the main advantage of the transistor over the vacuum tube?

3. Nora is learning about the history of computers and reads that the first microprocessors were developed in the 1970s. Which generation of computers does this belong to?

4. Hardware engineering focuses on:

5. Nora is solving a problem that requires finding the average of five test scores. She decides to sum the scores and divide by five. Which step is the summing?

6. Which is the first step in problem solving?

7. Which of the following best represents input?

8. Which of the following is a natural system?

9. Which software helps in system maintenance?

10. Huda is explaining the role of the Control Unit to her friend. She says it is responsible for managing the execution of instructions. According to the textbook, which signal does the Control Unit generate?

11. The field concerned with the design, creation, and maintenance of the physical components of a computer is called:

12. Hadi is explaining the memory hierarchy to his sister. He says that the hierarchy is based on speed and cost. According to the textbook, which memory is at the top of the hierarchy (fastest and most expensive)?

13. Nasser is designing a solution for a problem. He draws a flowchart to represent the steps. What is he doing?

14. Algorithms should be:

15. Which of the following best defines a computing problem?

16. Ahmed is planning a mobile app that lets users order food. He sketches the user interface and decides what data the app will collect. Which step of problem solving is he performing?

17. Which generation introduced integrated circuits?

18. A key feature of the Von Neumann architecture is that:

19. Which is an example of decomposition?

20. Which element is NOT part of data communication?