Chp 1 – Introduction to Computers Section 4-6. Mobile Computer and Mobile Device Mobile Computers...
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Transcript of Chp 1 – Introduction to Computers Section 4-6. Mobile Computer and Mobile Device Mobile Computers...
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Chp 1 – Introduction to Computers
Section 4-6
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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
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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
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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
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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
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Five Popular Types of Mobile Devices
•Smart Phones•PDA (personal digital assistant)•Handheld Computers•Portable Media Players•Digital Cameras
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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
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Servers
•Controls access to the hardware, software, and other resources on a network
•Can support two or several thousand connected computer
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Mainframes
•A large, expensive, powerful computer that can handle 100 or 1000 of connected users
•Stores tremendous amounts of data, instruction and information
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Supercomputer
•Fastest, most powerful, most expensive computer
•Can process more than one quadrillion instructions in a single second
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Embedded Computers•A special-purpose computer that function
as a component in a larger product•Everywhere – at home, in your car, and at
work
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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
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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
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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
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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
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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
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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
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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