Computer Operating Systems

1.   Hand back quiz & DOS Exercise sheets

2.   Complete Bruce's survey about OT service

3.    Discuss research projects

4.    Review Chapter 4 Concepts (See Day 17 Agenda and Day 18 Agenda

 

Homework:

Make sure you have written definitions for the following terms from page 172, referring to computer cases and form factors. I'll check these on Thursday

AT
ATX
Baby AT
flexATX
full AT
LPX
micro-ATX
mini-ATX
mini-LPX
NLX

(See pages 145-152 in the text)
You may also find this link to the PC Technology Guide helpful.

Make sure you have answers written out (or flashcards) for questions 1-9 on p. 172-173 (to be checked
on Thursday

Read A+ in Depth, pages 152-160 on using a multimeter and measuring voltage, current, and continuity in electric circuits.

Read Lab 6.2 in the Meyers Lab Manual, p. 71-78. We will do the multimeter exercises for measuring DC motherboard output in class and use the results to fill out a table of voltage outputs.

Red lead to P-8 Pin	Description	Acceptable Range	Voltage and Cable Color
1	“Power Good”	+4.4 to +5.2 V
2	Not used or +5 V	+10.8 to 13.2 V
3	+12 V	+ 12 V
4	- 12 V	- 12 V
5	Black ground
6	Black ground
Red lead to P-9 Pin
7	Black ground
8	Black ground
9	- 5 V	-4.5 to – 5.5 V
10	+ 5 V	+4.5 to + 5.5 V
11	+ 5 V	+4.5 to + 5.5 V
12	+ 5 V	+4.5 to + 5.5 V
Molex Power Connector (Ground Pin)	Black ground
Red
Yellow