CSC 248: PC Service & Support

[Gordon]

Chapter 10 - Multimedia and Mass Storage
p433

[Gordon]

AS computers become more powerful you can:
-Do the same thing faster
-do new things (still pictures, sound, movies, networking, searching virtual reality)

people are looking for "Killer Apps." Applications that will do the latest thing.

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Chapter 11 - Installing Windows 2000/XP
p495

16 bit OS
DOS
Windows 3.x
Windows 95

32 bit OS
NT
Windows XP
Windows Vista

[Gordon]

Test 2 Review:

Types of Motherboards (Name 3)
>ATX, Mini-ATX, Baby ATX

Manufacterers of Chipsets (name 3)
>Intel, Via, ECS, AMD, NVidia, MSI

Wires in a BUS> (4 of them)
-Power
-Control
-Address
-Data

What is a Simm? (memory)
Single Inline memory module.

Difference between L1 and L2 cache (found in CPU)
L1 Cache on CPU
L2 Cache on Motherboard

Cables connected to a floppy disk (Name what pins do what)
Power cable
data cable

What is a track? a sector? (Hard drives)

Track is the ring or row on a drive plate surface
Sector is the section or slice of the drive plate surface.

Name three disk technologies:
>IDE SATA SCSI

Name the most popular disk technology
>IDE

Name the windows file system that provides security.
>NTFS

[Gordon]

Test 3

Chapters 9 - 12

What physical principle is used to record information on a:

1) CD
Optical Principle

2) Hard Drive
Magnetism

3) Tape
Magnetism

Disaster Recovery Plan:

You list the:
Personal
Equipment
Location of Backups

If your computers loose productivity for a week, there's a 90% probability it will go out of business in a year.

What is the likely way viruses will access your computer?
Email attachment

What is RS232?
This is a 32 pin port interface used for phone interfaces.
This is the Interface on the terminal side of a modem.
[RS232] -- [MODEM] -- [RJ45]

What is USB?
Universal Serial Bus.

What is an ergonimic device?
A device designed for healthy use by a person. Designed to prevent a repetitive stress injury.

What is the difference between CD and CD-RW?
Some drives can only read a CD. Some dirves can both read and write a CD.

What are the 5 phases of the boot process?
Post
Rom Loader
Boot Block
OS Loader
Services

[Gordon]

Modem Diagram using RS232 and RJ45

[Gordon]

Test 3 (part 2)

What is:
bit - 1 on or off representative of data
byte - 8 bits of data
binary - data composed of bits

Operating system does 2 things:
Makes a computer easy to use
manages hardware efficiantly.

What is real mode?
When your Pentium 4 pretends to be an 8086 chip.

Enhanced Mode, when your running windows NT

What does POST mean?

What happens to ROM when you turn the computer off?
Bits are still there

What happens to ram when the computer is turned off?
Bits disaapear

Describe the boot process:
Post
Primitive Loader
Full scale Loader
Operating ssytem
Services.

What does DOS mean?
Disk Operating System.

What does ESD /EMI mean?
Electro Static Discharge
Electro Magnetic Interference

Name some motherboard types:
Atx, Baby Atx, Mini atx

Name some chipset manufactorers

What wires make a bus?
Data
Address
Control
Power

What is a SIMM?
Single Inline Memory Module

What is the difference between L1 and L2?
L1 cache is on the CPU chip
L2 cache is on the motherboard

Tracks, Sections

Disk Technologies

Floppy Disk CAbles

Windows File System with Security
NTFS

Disaster recovery plan

HOw will virus enter your system?
Most likely an email attachment.

What is RS232:
Interface between a "dumb terminal" and a modem.

What is USB?
Universal Serial Bus.

What is ergonomics?
Designing the computer system to reduce the stress on your body.

Final Exam = 25 questions

[r4kn0]

Test #3 review

What is a bit?
1) Binary digit

What is a byte?
1) 8 bits

Why do computers use binary?
1) Computers use binary because they’re made up of binary devices with two states [on and off]

Functions of an operating system?
1)An operating system does two things: 1 makes computer easy to use. 2 manages the hardware efficiently

What is real mode?
1)Is when your P4 pretends it an 8086 and only accessing 1 megabyte of RAM

What is enhanced mode?
1) Is when you’re running windows NT, Linux, etc

What does post mean?
1) Power on self test

What happens to ROM when you turn the computer off?
1) When you turn off the computer nothing happens to ROM, RAM clears when computer is off.

Describe the boot process?
1) Post
2) ROM Loader
3) Boot Loader
4) OS
5) Services

What does DOS mean?
1)Disk operating system

What does ESD/EMI mean?
1) ESD – Electric static discharge
2) EMI – Electromagnetic interference

Name some motherboard Types?
1) full ATX, baby ATX, mini ATX

Name some chipset manufactures?
1) Nvidia, AMD, Intel

What makes up a BUS?
1) Power
2) Control
3) Address
4) Data

What’s a SIMM?
1) Single Inline Memory Module

Where is L1, L2 cache?
1) L1 CPU
2) L2 Motherboard

Floppy Cables
1) Power and Data

Track, Section
1) Track is the ring on the hard disk surface
2) Section is the sector or slice of the hard disk surface

Disk Technologies
1) IDE, SATA, SCSI
2) Most Popular – IDE

Windows File System With Security
1) NTFS

Disaster Recovery Plan
1) Location of Backups
2) Hardware Configuration
3) Personal
4) Vendors

How will viruses enter your system?
1) Email Attachments – Click the .exe and get owned

USB
1) Universal Serial Bus

Ergonomic
1) Equipment for healthy repetitive use

RS232
1) Cable used in dial up days from terminal to modem

[sysRenan]

We are done with Summer class, nice!

Good luck everyone.