Computer Systems 3 - Peripherals
You will find Wikispaces Computer Systems notes useful when answering theses questions.
1. Name an example of an
a. input device
b. output devices
c. backing storage
2. What are peripherals?
3. The mouse is a common input device. Apart form the standard mouse, there are a number of different types offering additional
features. Name one of these and describe how it differs from the standard mouse.
4. List four features that can be used to compare digital cameras.
5. What could you use a scanner to do?
6. List three features that can be used to compare webcams.
7. A CRT monitor is usually used with a desktop computer. What do the letters CRT stand for?
8. A LCD monitor is usually used with a laptop computer. What do the letters LCD stand for?
9. a. Where is OCR used?
b. What does OCR software do?
10. How does an inkjet printer work?
11. List four features that can be used to compare printers
12. Backing storage can be serial or direct access. Explain the difference between these terms.
13. a. Give one example of a storage device that uses serial access.
b. Give one example of a storage device that uses random access.
14. Why does a computer need an interface to operate a peripheral?