42e1f9416aca5c1cb69dfb90e14fa031.ppt
- Количество слайдов: 15
Maine State Library Purchasing a Computer
Before Purchasing the Computer n What are you going to use the computer for? n Who in the house will also use the computer? n What is the location of the computer set up?
Before Purchasing the Computer n Research the following: ¨ ¨ ¨ ¨ n The important factors to do your research on: Processor (RAM) Random Access Memory Hard drive space Graphics card (OS) Operating Software Optical Drives Warranties This is an investment
Central Processing Unit (CPU) n The heart of your computer n AMD, Dual Core, Quad Core n Processor’s Cache
Random Access Memory (RAM) n The more Ram the faster it will run. n 64 -bit OS ¨ Minimum n 4 GB RAM 32 -bit OS ¨ Only recognize 3 GB (max)
Hard Drive (HDD) n Destination of all of your files and data. n Known as Hard disk or HDD n Can be as large as 3 TB (terabytes)
Graphics Card (Video Card) n Handles all of your graphics, visuals, & videos n Motherboard Chipset n Dedicated graphics card
Operating Software (OS) n Consists of programs and data that run the computer. n Manages Hardware resources ¨ Runs application software ¨ n New computer ¨ Windows 7
Optical Drives n Retrieve or store data: ¨ CDs ¨ DVDs ¨ BDs n (Blu-ray discs) What type of discs will you need?
Computer Monitor n Choosing a monitor depends on many factors: Application ¨ Room on your desk ¨ Resolution ¨ Cost ¨ n LCD – (Liquid Crystal Display) ¨ n Most common VGA input ¨ DVI, HDMI
Warranties n Extended Warranties ¨ n Buyer Beware Majority of problems: ¨ Caused by: n n n Viruses Spyware Read the fine print ¨ Find out what’s covered Warranty?
Where and how to purchase a computer. n Online ¨ ¨ ¨ n n n New. Egg. com Dell HP Tigerdirect. com Amazon. com Wal-Mart Best Buy Staples
Peripherals for Your Computer n Surge Protector ¨ n External Hard Drive ¨ n Backups Webcam ¨ n Recommended If you intend to chat online (Skype) Flash drive ¨ Used to transfer data
Purchasing a Printer n Once again do your research. ¨ Pros & Cons ¨ What will you be printing? n Is quality your highest priority? ¨ How many pages per minute? ¨ What are the cost for ink replacement?
Anti-Virus Software n Sales Rep may try to sell you an antivirus program ¨ Norton ¨ Microsoft Security Essentials – Free online ¨ AVG – Free online
42e1f9416aca5c1cb69dfb90e14fa031.ppt