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Dec 10, 2013 (3 years and 8 days ago)

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Computer Basics

Unit 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

Computer


An electronic device that manipulates information, or
"data."


Watch


What is a computer?

Computer


Has the ability to
store
,
retrieve
, and
process

data.

Computers Simplified


Two basic parts


Hardware


any part of your computer that has a
physical structure


Software


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 Computers


Benefits


easy to upgrade

and
expand


cost

What are the Different
Types of Computers?


Laptop Computers


Benefits


Portability


Downside


Difficult to upgrade


usually possible to add more
RAM

or a bigger
hard drive

What are the Different
Types of Computers?


Servers


a computer that "serves up" information to other
computers on a network


Plays an important role in making the Internet work


Stores web pages


Delivers requested pages



PCs and Macs


PC


Began with the original
IBM PC

that was introduced in
1981


Mac


The
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 system


The
most important software

that runs on a computer


Why?


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 Windows


Microsoft created the
Windows

operating system in the
mid
-
1980s.



Operating Systems for
Mobile Devices


Examples


Apple iOS


Windows Phone 7


Google Android