HOW DO LAPTOPS WORK?

By: Christina Amalfitano

INTRODUCTION TO LAPTOPS

Portable Use less power Make less noise Slower Have less graphics More expensive

…Compared with Desktop Models

SIMILARITIES WITH LAPTOPS AND DESKTOP COMPUTERS

Overall, lap top and desktop computers are very similar.

They have the same basic:

Hardware

Software

Operating systems

The primary difference

is how their components

fit together

LAPTOP VS. DESKTOP COMPUTER

Laptop Computer

Smaller and lighter

Not a lot of room with air circulation

It’s a flat design

Laptops have less disk space

Includes components in a large case

Objects connect wirelessly or with cables

Lots of space for add-in cards, cables and air circulation

LAPTOP

LAPTOPS:

SCREEN GRAPHIC

S &

SOUND

Graphics processing unit (GPU)

Graphics capability built in motherboard or smaller graphics cards

Laptops frequently share memory between the CPU and the GPU

Processing power for productivity applications

LAPTOP BATTERIES: BEFORE AND NOW

Nickel-Cadmium Batteries

Lilon Batteries

First battery commonly used Gas bubbles form in cell plate Must discharge battery

completely Battery can explode

Long life spans Do not suffer from memory

effect Can charge randomly Wont overheat if overcharge 5-hour battery life

LAPTOP MEMORY Laptops have:

Cache memory

Larger busses

Laptops use smaller memory modules to save space

Memory types include:

1. Small Outline Dual Inline Memory Module

2. Dual Data Rate Synchronous

3. Single data rate Synchronous

4. Proprietary memory modules

5. Some laptops have upgradeable memory and removable panels

LAPTOP STORAGE

Has an internal hard disk drive

Hard drives spin slowly

Space in a laptop is in much shorter supply

Use modular design

These drives come in three different designations:

1. Hot swappable

2. Warm swappable

3. Cold swappable

LAPTOP HISTORY

I. Alan Kay wanted to create a wireless portable computer as big as a notebook

II. Name “Dynabook”

III. “Dynabook” never past sketches but started development of a truly portable computer

IV. William Moggridge created the first portable computer

A

L

P

T

O

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LAPTOPS

THE END

PICTURE SITES http://www.toshibadirect.com/td/b2c/adet.to?poid=422063 Memory card http://

www.overstock.com/Electronics/Generic-512MB-Laptop-Memory/2688041/product.html Memory card

http://laptoping.com/category/laptop-memory/ Memory card http://rbcomputer.wordpress.com/about-us/ Desktop Computer http://www.laptopsarena.com/hp-laptop-computers/ Laptop http://interactivecomputerservices.com/tag/laptop/ Laptop http://computer.howstuffworks.com/laptop6.htm Information Site http://ilearnnewthings.com/laptop-battery-care-implement/ Battery http://laptopsgadgets.com/common-laptop-screen-problems/ Laptop http://4iphonewallpapers.com/green-waves-iphone-4-wallpaper.html Green

Background http://www.100vista.com/2009/laptops-for-dummies-kindle-edition/ Laptops

For Dummies Book http://www.megabatteries.com/?cat1=13 Nickel-Cadmium Batter http://www.alibaba.com/industry-promotion/icom-li--

lon-transceiver-battery-industry-promotion.html Lilon Battery http://www.calnettech.com/blog/data-storage-needs-rising-exponentially-in-

most-smbs Laptop Storage Bins