Self-Review: Chapter 2: (Input and Output devices and the System Unit Devices)
1. What is the difference between “data” and “information”?
2. Name 4 commonly found “input” devices found on today’s microcomputers?
3. What is the difference between a “qwerty” and a “dvorak” keyboard?
4. Name 3 different types of “mice” used with today’s computers.
5. What is meant by the term “legacy technology”?
6. Which “type” of microphone usually works best with voice input? ______
7. Name 3 common output devices used with computers?
8. Explain the following terms and how they influence the “resolution” of a monitor?
a). pixels
b). Refresh Rate or “Response time”
c). Dot pitch
9. What are some advantages of a LCD?
10. How do “soft copy” and “hard copy” differ?
11. A printer that uses a “ribbon” to form characters on a page is called a (n) ______printer.
12. A printer that places an image by spraying dots on a paper is called a(n) ______printer.
13. What type of printer “burns” the image onto the paper”?
14. What does “dpi” mean/represent? ______What does “ppm” mean? ______
15. What parts make up the “system unit”?
16. What different types of “bays” are typically found on the front of the system unit?
17. a. What types of “ports” are found on the front of the system unit?
b. What types of “ports” are found on the back of the system unit?
18. Arrange the following Ports from “slowest” to “fastest” (1 = fastest 3 slowest)
Parallel Port ______USB/Firewire ______Serial ______
19. What are some devices found “inside” the system unit?
20. What is the “motherboard” and what components are commonly found on the motherboard?
21. What is meant by “ergonomics” and what are a few tips on having a healthy computer desk?
22. Briefly define the following 2 “emerging technologies” (need help – look up on the internet):
a. Flexible Screens b. Wearable Screens