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Published byMeredith Brown Modified over 9 years ago
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Course ILT Computers and society Unit objectives Identify the main uses of computers in daily life, and identify the benefits of using e-mail Describe the Information Superhighway and its impact, minimize computer health and safety hazards, and describe how to reduce environmental waste Identify the need for virus protection and security, and understand the role of copyrights and data protection in the information society
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Course ILT Topic A Topic A: Computers in daily life Topic B: Impact of IT on society Topic C: Security and legal issues
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Course ILT Benefits of computers E-mail Bank cards Electronic commerce Smart ID cards Information management Computer games Improved home life
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Course ILT Computers at home Record your income details Monitor your monthly budget Work from home
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Course ILT Computers in education Computer-based training Word processing for document management Other applications: –Spreadsheets for business students –PowerPoint presentations for teachers
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Course ILT Electronic mail (E-mail) Sending and receiving messages over a network Used for: –Business –Education –Personal correspondence –Research Benefits: –Speed –Low cost –Attachments –Multiple recipients
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Course ILT Topic B Topic A: Computers in daily life Topic B: Impact of IT on society Topic C: Security and legal issues
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Course ILT The Information Superhighway Digital networks of computers and telecommunication systems around the world Allows e-commerce 24/7
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Course ILT Health hazards Eyestrain Back strain Repetitive strain injury (RSI)
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Course ILT Reducing health hazards Sit comfortably Keep the monitor at eye level Take regular breaks
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Course ILT Environmental issues Have adequate power supplies and secure power cables Have adequate ventilation and lighting Print only when necessary Recycle used computer parts
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Course ILT Topic C Topic A: Computers in daily life Topic B: Impact of IT on society Topic C: Security and legal issues
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Course ILT Security issues Passwords Data backup Viruses Power surges or losses
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Course ILT Password guidelines Do not use a password that: –Someone who knows you could guess –Can be found in the dictionary –Is currently newsworthy –Is similar to a previous password Do: –Use a mixture of letters and at least one number –Use a password you can remember
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Course ILT Backup devices Floppy disks Tapes Zip drives Second hard disk
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Course ILT Computer viruses Programs intended to cause unexpected or undesirable results Transmitted by: –Downloading programs from Web sites –Opening infected e-mail messages –Opening infected files on a diskette
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Course ILT Protection from viruses Install antivirus software: –Runs automatically –Provides periodic updates –Scans documents when opened Know the origin all programs, files, and e-mail attachments Perform regular backups Follow company policies
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Course ILT Power losses and surges Always shut down Windows properly Use an uninterruptible power supply (UPS)
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Course ILT Legal issues Copyrights: –Digital watermarks can protect files. –Most software must be licensed, but not: Freeware Shareware Public domain software Data protection laws: –Require that personal data be collected for a lawful purpose –Require such data to be up-to-date, free of errors, and safely protected
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Course ILT Unit summary Learned about the benefits of computers in daily life, including e-mail and e-commerce Learned about the impact of the Information Superhighway, and learned how to minimize computer health and safety concerns and reduce environmental waste Learned about the need for virus protection and security, and about the role of copyrights and data protection in the information society
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