computing fundamentals module a © cci learning solutions inc. 1 unit 1: recognizing computers...
TRANSCRIPT
Computing FundamentalsModule A
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Unit 1: Recognizing ComputersLesson Topic
1 Computers All Around Us
2 Elements of a Personal Computer
3 Working with Storage Systems
4 Using Input/Output Devices
5 Basic Troubleshooting Techniques
6 Buying a Computer
7 Looking at Software
Lesson 1: Computers All Around Us• Personal Computer
• Notebook or Laptop
• Tablet
• Server • Personal Digital Assistant• Pocket PC• Cellular Phones• Other Electronic Computing Devices
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Identifying Computers• Integrated in our work, home, and social environments
• Perform a multitude of tasks
• Many organizations have combination of large and small systems to manage flow of information
• Computers can be:− Designed specifically as computing devices
− Embedded in products
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Desktop Computers• Called personal computers
• Sit on, beside, or under desk
• Process data quickly
• Typically used in small businesses, schools, and homes.
• Generally two types
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PC Mac
Notebooks or Laptop Computers• Advantages
− Portability
− Power consumption considered “greener” alternative
− Can purchase accessories to enhance enjoyment and experience
• Netbook − Similar to notebook but smaller and less expensive
− Designed to handle wireless communications or access toInternet only
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PC Notebook Mac Notebook
• Similar to notebook for portability and connection to data
• Screen can swivel or fold over
• Uses touch screen capability for data entry− With finger, pen device, or built-in keyboard
Tablets
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Hand-held or Mobile Computers
• Cellular phones more sophisticated and can include:− playing and listening to music
− taking pictures or video
− text messaging
− paging
− accessing the Internet
− global navigation systems (GPS)
• Cost varies with number of features and capabilities
Hand-held or Mobile Computers
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• Personal Digital Assistants (PDAs)− Specific software helps make appointments, keep contact lists, or
write notes
− Very popular for portability and software
− Can be main computing device
• Incorporates touch screen technology
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Hand-held or Mobile Computers• MP3 refers to file type for music to be recognized on audio
player
• Media player enables viewing of movies, videos, or books− Provide audio and visual capabilities or access to Internet
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Hand-held or Mobile Computers• Game systems
− Embedded computing chip that enables individual toplay interactive games with video technology
− Many come with option to link to Internet
• Electronic book reader− Special computing device designed with software program to
download and view electronic copy of published work
− Can find software to read book on PDA or media player
• Calculators− Use same type of chips in computers to perform same calculations
− Computer is really very large and advanced calculator that performs tasks based on binary computations of 1 or 0
Other Types of Computers • Equipment to diagnose
automobile problems
• Automated Teller Machines (ATMs)
• Point-of-sale machines
• Global Positioning Satellite (GPS)
• Robotics
• Medical equipment
• Small home appliances
• Large home appliances
• Each type of equipment has embedded computer chip to enable it to perform specific task− Often your identity must be
validated with card that opens connection to database of information
− Equipment failures usually result of computer chip needing to be replaced or reset
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