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Computers Are Your Future © 2005 Prentice-Hall, Inc. Slide Computers Are Your Future © 2005 Prentice-Hall, Inc. Slide

Computers Are Your Future Spotlight 4 Buying and Upgrading Your Computer System © 2005 Computers Are Your Future Spotlight 4 Buying and Upgrading Your Computer System © 2005 Prentice-Hall, Inc 2

Computers Are Your Future Spotlight 4 Get Started the Right Way The Right Way Computers Are Your Future Spotlight 4 Get Started the Right Way The Right Way ü Determine your needs ü Make sure the computer will run the software you plan to use © 2005 Prentice-Hall, Inc The Wrong Way ü Buying a computer based on price only ü Being swayed by salespeople or advertisements 3

Computers Are Your Future Spotlight 4 Choose the Right Hardware ü Understanding the following Computers Are Your Future Spotlight 4 Choose the Right Hardware ü Understanding the following hardware components will help in making a good decision about which computer to buy. Ø Processors Ø Memory Ø Hard disks Ø Internal and/or external drives Ø Video cards and monitors Ø Network cards Ø Modems Ø Sound cards and speakers Ø Keyboards and mice Ø Uninterruptible power supply © 2005 Prentice-Hall, Inc 4

Computers Are Your Future Spotlight 4 Notebook or Desktop? Notebooks Pros Display quality Processor Computers Are Your Future Spotlight 4 Notebook or Desktop? Notebooks Pros Display quality Processor speed Mobility Prolonged use Not easily stolen Price © 2005 Prentice-Hall, Inc Cons ü ü ü Desktops Pros Cons ü ü ü ü ü 15

Computers Are Your Future Spotlight 4 Mac or PC? ü ü ü Mac Relies Computers Are Your Future Spotlight 4 Mac or PC? ü ü ü Mac Relies on the mouse for program control Excellent for publishing, music, graphics, illustrations, and Web site design More expensive than PCs Less software available Only Apple Inc. produces Macs Both PC ü More keyboard shortcut keys than a Mac ü Excellent for business and engineering purposes ü Cheaper than Macs ü More software available ü Produced by many companies ü Can run Linux operating system on the same drive ü Easy-to-use GUI interface ü Major applications available – Word processing, spreadsheets, databases, Web browsing, and e-mail © 2005 Prentice-Hall, Inc 16

Computers Are Your Future Spotlight 4 Get the Right Printer Color inkjet Monochrome laser Computers Are Your Future Spotlight 4 Get the Right Printer Color inkjet Monochrome laser Color laser Multifunction Printer cost $50 - $400 $200 - $1500 $800 - $3300 $130 - $700 Ink cost per cartridge $5 - $40 $15 - $300 $30 - $200 per color Same as inkjet and laser 15 - 35 Same as inkjet and laser Speed – Pages per minute 1 -17 15 - 35 Figures are approximate. Based on several printers in each category. Source of information: www. tigerdirect. com © 2005 Prentice-Hall, Inc 17

Computers Are Your Future Spotlight 4 Top-of-the-Line or Bargain Bin Special? Components Processor Memory Computers Are Your Future Spotlight 4 Top-of-the-Line or Bargain Bin Special? Components Processor Memory Monitor Video Card Hard Drive Operating System Mouse Keyboard Network Card Modem CD/DVD Drive Sound Card Speakers Warranty Price Top-of-the-Line Pentium® 4 2. 4 GHz 256 MB PC 800 RDRAM 19 in. Trinitron® 128 MB DDR NVIDIA Ge. Force 4 ™ 80 GB Ultra ATA/100 Microsoft® Windows® XP Logitech® Optical USB Quietkey® Keyboard 10/100 PCI Fast Ethernet 56 K PCI Telephony 40 x 10 x 40 CD-RW Turtle Beach Santa Cruz DSP Surround Sound with Subwoofer 1 yr Limited + 1 yr At-Home $1819. 00 Bargain Bin Special Intel® Celeron™ 1. 2 GHz 128 MB PC 133 DIMM NONE 64 MB SIS 3 D Onboard* 20 GB IDE ATA/100 Microsoft® Windows® XP 2 Button PS/2 Internet Keyboard 10/100 Realtec Onboard* 56 K V. 90 Onboard* 56 x CD-ROM AC 97 16 Channel Onboard* NONE 1 yr Limited $379. 99 *Onboard refers to components built into the Motherboard © 2005 Prentice-Hall, Inc 18

Computers Are Your Future Spotlight 4 Wise Shopping Tips ü Browse Web sites to Computers Are Your Future Spotlight 4 Wise Shopping Tips ü Browse Web sites to comparison shop before buying. Ø No salesperson to sway your opinion Ø Saves time and money (travel time and transportation costs) ü Read reviews about computer products in magazines and online. ü Ask reliable, knowledgeable people about computer products. ü Get quotes of several systems before buying. ü Know what components and accessories you want before you buy. ü Only buy from reliable sources. © 2005 Prentice-Hall, Inc 19

Computers Are Your Future Spotlight 4 Local Stores vs. Mail-Order/Online Companies ü When buying Computers Are Your Future Spotlight 4 Local Stores vs. Mail-Order/Online Companies ü When buying from a local store, problems can be resolved quickly by going back to the store. ü Consider the following when ordering through the mail or online. Ø The company’s return policy Ø Shipping and handling charges Ø Technical support ü Compare similar systems when getting price quotes. © 2005 Prentice-Hall, Inc 20

Computers Are Your Future Spotlight 4 Buying Used or Refurbished ü Used computers are Computers Are Your Future Spotlight 4 Buying Used or Refurbished ü Used computers are available through classified ads, auctions, local sources, online, and mail-order catalogs. ü They are usually cheaper than a new system. ü Buying used computers is risky. Ø No warranty or tech support unless refurbished by the manufacturer Ø The price may be higher than the actual value © 2005 Prentice-Hall, Inc 21

Computers Are Your Future Spotlight 4 Name-Brand vs. Generic PCs Pros High quality at Computers Are Your Future Spotlight 4 Name-Brand vs. Generic PCs Pros High quality at competitive prices. Available from retail, mail-order, Name brand PCs and online. Generic PCs Local stores assemble their own systems. Just as reliable as name brands. Usually cheaper than name brands. Repairs are cheaper. © 2005 Prentice-Hall, Inc Cons Made of proprietary components. Premium price for parts and repairs. Buyer beware! Store may go out of business. No adequate technical support. 22

Computers Are Your Future Spotlight 4 Caring for Your Computer System 3 Use a Computers Are Your Future Spotlight 4 Caring for Your Computer System 3 Use a surge protector to protect the system from power surges. 3 Don’t plug appliances into the same outlet as the computer. 3 Don’t block air flow around the computer system. 3 Switch power off when adding and removing cables and components. 3 Make sure cables aren’t stretched or mashed by furniture. © 2005 Prentice-Hall, Inc 23

Computers Are Your Future Spotlight 4 Caring for Your Computer System 3 Don’t eat Computers Are Your Future Spotlight 4 Caring for Your Computer System 3 Don’t eat or drink near the computer. 3 Follow proper shut-down procedures. 3 Defragment the hard disk regularly. 3 Run a virus checker frequently. 3 Keep the computer, printer, monitor, mouse, and keyboard clean. © 2005 Prentice-Hall, Inc 24

Computers Are Your Future Spotlight 4 Upgrading Your System ü Upgrading refers to adding Computers Are Your Future Spotlight 4 Upgrading Your System ü Upgrading refers to adding new hardware to the system to improve performance. ü Upgrading may violate the computer’s warranty. ü Check the owners manual for hardware compatibility and installation instructions. ü Wear a grounding strap on your wrist to prevent static electricity from destroying the computer chips. © 2005 Prentice-Hall, Inc 25

Computers Are Your Future Spotlight 4 Adding Expansion Cards and Upgrading Memory ü Adding Computers Are Your Future Spotlight 4 Adding Expansion Cards and Upgrading Memory ü Adding expansion boards: Ø Insert expansion boards in the correct type of slot (ISA, PCI, AGP) Ø Gently but firmly press the board into the slot ü Upgrading memory: Ø Determine which memory module (SIMM, DIMM, RIMM), type of memory (DRAM, SDRAM, RDRAM), and memory speed (66 MHz, 100 MHz, 133 MHz) your computer uses Ø Snap the module into place © 2005 Prentice-Hall, Inc 26