Week3

Week 3
Storage Devices of a Computer System

- Table of Contents -

This week students learn about storage devices of a computer system.

Teacher Notes - Time: 10 Minutes

Complete last weeks home work:

List some other uses for computers or items which use computers which we have not already discussed in class.
Try to come up with at least 4 other uses or items. Make sure you explain why you think it is a computer and explain what the computer is doing.
Write notes on the parts parts of a computer, input devices, and output devices.
Make a list of 3 topics which you would like to explore during these classes.

Teacher Notes - Time: 60 Minutes

Ask the question “Can you name some storage devices of a computer system?”

-as the class comes up with items, discuss what they are, touch them, and write them on the board as appropriate (include size, speed, random or sequential access)
After the basics are listed, hand out the diagram and work through filling it in:
............Floppy Disk (600 - 700 pages, slow, random access)
..................................CD-ROM
(300,000 pages, slow, random)
............Hard Disk (40,000 - 600,000+ pages, fast, random)
.............Tape
(25,000 -2,500,000 pages, slow, sequential)
..........Memory Chips
..................RAM (2,000 - 8,000 pages, fast, random)
..................ROM (250 pages, fast, random)

Handout