Topic 1: Introduction to Computers
Examples of Computer Usage
Home User
Entertainment
Web access
Mobile User
Listen to music
Watch movies
Play video games
Power User
Working with multimedia
Industry-specific software
Enterprise User
Blog
Communicate among employees
Home Office User
Make telephones calls
Look up information
Information Processing Cycle
Input (Data) PROCESSING Output (Informations)
Mean of Computer
-Electronic device
-Operating under the control
-Stored it own memory or storage
Storage
Example : Hard Disk
To do daily work
Advantages and Disadvantages of Using Computers
Advantage
Speed
Reliability
Consistency
Storage
Communications
Using map
Disadvantage
Health Risk
Violation of Privacy
Impact of Enviroment
Impact of Labor Force
Public Safety
Elements of an Information System
Hardware
Internal
Component in the computer
Example: Motherboard
CPU
Power Supply
RAM (Random Access Memory)
Network Card
External
Component outside the computer and people can touch
Example: Hard Disk
Monitor
Mouse
Printer
Keyboard
Software
Application software
The application must be downloaded if user want to use it.
Example : Microsoft power Point
Microsoft Words
Microsoft Excel
Microsoft OneNote
Operating system
Folder- file management
Information in the computer
People
People that use the computer to manage all the data in computer
Procedure
The process and procedur to manage all the data in computer
Data
ROW Data in the computer
Computer Applications in Society
Education
Search information
Goverment
Manage the data or website
Health Care
Do operation
Make a simulation before do the real operation & surgery
Science
Collecting analysis
Publishing
Promote the product
Manufacturing
Travel
Using map
Finance
ATM
Categories of Computers
Personal Computer
perform all of its input, processing, output, and storage activities by itself
Desktop Computer
PC
Apple
Mobile Computer and Mobile Devices
Mobile Computer
Personal computer you can carry from place to place
Notebooks computers
Laptop computers
Netbooks
Ultra-thins
Tablet PCs
Mobile Device
Computing device small enough to hold in your hand
Smart phones & PDAs
E-books readers
Handheld computers
Portable Media player
Digitals Camera
Game Consoles
Mobile computing device designed for single-player or multiplayer video games
Handheld game consoles
Joystick
Remote control
Super Computer
Fastest,most powerful
capable of processing more than 1 quadrillion intsructions in a single second
Embedded Computer
Special-purpose computer that functions as a component in larger product.
Consumer Electronics
Mobile & Digital telephones
Digital TV
Video Recorders
Home Automation Devices
microwave
thermostats
Automobiles
Airbag Controller
Cruise control
Antilock brakes
Process Controllers & Robotics
Machine controller
Medical devices
Computer Devices & Office Machines
Keyboard
Printer
Copiers
Mainframes
Large,expensive,powerful
Can handle hundreds or thousands of connected user
Servers
Control access the hardware,software and other resources on a network
Provide a centralized storage area for program,data & information