1. Chp 1 – Introduction to Computers
Section 4-6

2. Mobile Computer and Mobile Device
Mobile Computers – can be carry from place to place
Mobile Devices – a computer device small enough to hold in your hand

3. Notebook Computer/Laptop Computer
Most popular type of mobile computer
Fits in your lap
Thin and light weight
Usually more expensive then a desktop with the same capabilities

4. Tablets PCs
Special type of notebook computer that allows you to write or draw on the screen using a digital pen
Some have attached keyboards
Especially useful for taking notes

5. Mobile Devices Usually don’t have disk drives
Store program and data permanently on special memory inside the system unit or on small storage media such as memory cards
Some have Internet-enable

6. Five Popular Types of Mobile Devices
Smart Phones
PDA (personal digital assistant)
Handheld Computers
Portable Media Players
Digital Cameras

7. Game Consoles
Mobile computing device designed for single- player or multiplayer video game
Three popular models
Microsoft’s Xbox 360
Nintendo’s Wii
Sony Playstation 3

8. Servers
Controls access to the hardware, software, and other resources on a network
Can support two or several thousand connected computer

9. Mainframes
A large, expensive, powerful computer that can handle 100 or 1000 of connected users
Stores tremendous amounts of data, instruction and information

10. Supercomputer Fastest, most powerful, most expensive computer
Can process more than one quadrillion instructions in a single second

11. Embedded Computers
A special-purpose computer that function as a component in a larger product
Everywhere – at home, in your car, and at work

12. Elements of a Information System
Hardware – must be reliable
Software – need to be develop carefully
Data – entered in correctly
People – should be skilled
Procedure – readily available

13. Example of Computer Users
Home users – family member who uses a computer for a variety of reason such as budgeting and personal finance
Small Office/Home Office (SOHO) – Company with 50 employees and self-employed people who work from home

14. Example of Computer Users
Mobile Users - Work on a computer a mobile computer while away from a main office, home office or school
Power Users – requires the capabilities of a workstation or other types of powerful computers
Example of power users: engineer, scientist, architect, desktop publisher, and graphic designer

15. Example of Computer Users
Enterprise Users – work in or interact with a company with many employees and uses a computer network that process high volume of transaction in a single day

16. Computer Application in Society
Education – students use computers software to assist with learning
Finance – use computers for online banking and online investment
Government – have Web sites to provide citizen with up-to-date information

17. Computer Application in Society
Health Care – used to maintain patient records, monitor patients, and file insurance claims
Science – use to assist with collecting, analyzing, and modeling data
Publisher- use to assist in designing pages and make the content of their available online

18. Computer Application in Society
Travel –online navigation system help people travel more quickly and safely
Manufacturer – use computer-aided manufacturing (CAM) to assist with manufacturing processes