Computer Concepts Projects 3 and 4 Dozer’s Quintessential Guide to Computer Literacy CSIT58

Choosing a System Think about the following: Who will be using the system? Family, student, professional, art, hobbies How much can you spend and do you need financing? What kinds of applications will the computer be used for? Schoolwork with Office and Internet Artwork using Adobe Software Games Video and photo editing

Desktop System Price Ranges Low End <= $800 Fine for student work using Microsoft Office and browsing the Internet. Mid Range <= $1500 Good for professional use with some web authoring and graphic production. High End > $1500 Serious gaming, video and art editing and publishing.

Low End: HP Pavilion p6280 for $699 Processor & Memory: Intel® Core™ 2 Quad Processor Q GHz Intel® Core™ 2 Quad Processor 4MB L2 cache 1333MHz Front Side Bus 6GB DDR2-800MHz SDRAM memory (3 Dimms) Drives: 640GB (7,200RPM) SATA 3Gb/s hard drive LightScribe 16x max DVD±R/RW SuperMulti drive Graphics & Video: HP w2338h 23" diagonal widescreen flat panel monitor with integrated speakers Integrated Graphics Communications: Integrated 10/100/1000 Gigabit LAN Audio: Integrated 7.1 channel capable sound w/ front audio ports Keyboard & Mouse: HP Multimedia Keyboard HP Optical Mouse Operating System: Microsoft® Windows 7 Home Premium (64-bit) Additional : Microsoft Works 9.0 Power Supply: 300W

High End Systems A higher priced system might have: More memory A larger hard drive (RAID system) A faster processor A graphics card with a large amount of memory A Blu-Ray drive Touch screen Windows 7 Ultimate

Notebook Computers Notebook prices are always higher than desktop for similar power. Use different processors to conserve power. Price varies based on: Processor Screen size (diagonal) Amount of memory Hard drive size

After the Purchase Protect your investment with: Surge Suppressor – absorbs power surges or spikes Anti-Static Mat – if floor is carpeting, you can build up static electricity in your body by walking to the computer UPS – battery powered backup in case of a power failure Anti-Virus software – protects computer against malicious software that will delete files or use your computer to infect others. Backups – Have CD’s, DVD’s or USB drives that you back up your important files to regularly

Health Problems from Computer Use Computer Vision Syndrome Dry eyes Blurred vision Headaches Use artificial tears, change office lighting,take breaks Carpal Tunnel Syndrome (wrist and hand pain) Use wrist rest Ergonomic keyboard Wrist Brace May require medication or surgery Others: neck, back and shoulder pain, weight gain

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