Computer Basics

Computer BasicsUnit 1

Getting to Know Computers

Ch. 1

Computer

Two basic parts of computers

What are the Different Types of Computers?

Desktop Computers

Laptop Computers

Servers

PCs and Macs

ComputerAn electronic device that manipulates

information, or "data." Watch

What is a computer?

ComputerHas the ability to store, retrieve, and process

data.

Computers SimplifiedTwo basic parts

Hardwareany part of your computer that has a physical

structureSoftware

any set of instructions that tells the hardware what to do

What are the Different Types of Computers?

Desktop Computers

Laptop Computers

Servers

Tablet Computers

Mobile Phones

Game Consoles

TVs

What are the Different Types of Computers?

Desktop ComputersBenefits

easy to upgrade and expandcost

What are the Different Types of Computers?

Laptop ComputersBenefits

PortabilityDownside

Difficult to upgrade usually possible to add more RAM or a bigger hard

drive

What are the Different Types of Computers?

Serversa computer that "serves up" information to other

computers on a networkPlays an important role in making the Internet work

Stores web pages Delivers requested pages

PCs and MacsPC

Began with the original IBM PC that was introduced in 1981

MacThe Macintosh computer was introduced in 1984,

and it was the first widely sold personal computer

Understanding Operating Systems

Ch. 1.2

Operating system

The Operating System's Job

Types of Operating Systems

Types of Operating Systems

Microsoft Windows

Operating Systems for Mobile Devices

Operating systemThe most important software that runs on a

computerWhy?

Manages the computer's memory, processes, and all of its software and hardware

The Operating System's Job

Booting The process that occurs when you press the power

button to turn your computer on.

Types of Operating Systems

Microsoft Windows

Apple Mac OS X

Linux

Types of Operating Systems

GUI (Graphical User Interface)Lets you use your mouse to click on icons,

buttons, and menus

Microsoft WindowsMicrosoft created the Windows operating

system in the mid-1980s. 

Operating Systems for Mobile Devices

ExamplesApple iOSWindows Phone 7Google Android

Understanding Applications

Ch. 1.3

What is an application?

Types of Desktop Applications

Opening Files with Applications

What is an application?A type of software that allows you to perform

specific tasksDesktop applications

Applications for desktop or laptop computersMobile apps

Mobile device

Types of Desktop Applications

Word Processors

Personal Finance

Web Browsers

Games

Media Players

Gadgets

Opening Files with Applications

Two main ways to open a fileFind the file on your computer, and double

click it. Open the application, then use the

application to open the file

What is a mobile app? List three of your favorites below and describe them.

What are some examples of applications you have on your computer? Did you have to install them, or did they come pre-installed on your computer?

Web Apps and the Cloud

Ch. 1.4

The Internet

What is the Cloud?

Reasons to use the cloud

Why Use the Cloud?

Cloud apps

Examples of Web Apps

How Do Web Apps Work?

What is the Cloud?The Internet

It's all of the things that you can access remotely over the internet

Stored on servers on the internet

What is the Cloud?Examples

DropboxEvernoteMozyCarbonite

Why Use the Cloud?Reasons to use the cloud

Convenience Reliability

Saving a file to the cloud ensures that you'll be able access it with any computer that has an internet connection

Why Use the Cloud?Benefits

No physical media to keep track ofEasier to share a fileLess likely to lose your data

RisksSomeone may try to gain access to your

personal dataStrong passwordPay attention to any privacy settings

What is a Web App?Cloud apps

Web applications (or web apps), which run in the cloud and do not need to be installed on your computer

Examples of Web AppsOnline Email Services

Google Docs

Facebook

How Do Web Apps Work?

Network of serversPool all of their processing powerUse specialized servers to store the data