1. Chapter 2 Turning Data into Something You Can Use © The McGraw-Hill Companies, Inc., 2000 Processing Hardware

2. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20002 CCI Is a megabyte exactly a megabyte? No, the hardware industry has rounded off the measurement for advertising purposes In reality, one megabyte is not a million bytes but amount of memory or disk space equal to 1,048,576 bits

3. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20003 CCI Processors and RAM Can I not just buy a faster processor and put it in my machine? Processors must use the same type of slot (slot 7, slot 1, slot A, for example) as the motherboard

4. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20004 CCI Processor Upgrade Compatibility The motherboard and BIOS must be compatible with the new processor The motherboard must be able to adjust to the new processor’s electrical requirements –switches may need to be changed on the motherboard

5. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20005 CCI Finally... RAM must be compatible with the CPU The computer or motherboard manufacturer has the information that you will require Check the manufacturer’s Web site for compatibility You can upgrade the CPU and RAM at the same time

6. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20006 CCI Is it cheaper to buy a new system than upgrade components? –Rule 1: Never upgrade or buy a new system during times that you absolutely need your computer –Rule 2: There is no easy answer. Always calculate costs –Rule 3: Plan on upgrades taking about three times longer than planned, if you do not do these often

7. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20007 CCI Do I Need That Speed? In general, processor speeds have outpaced business applications If you work on graphics, you will need a fast processor If you are a gamer, you may also need fast processor

8. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20008 CCI Main Memory Increasing RAM? Older Intel chips may not process well as memory exceeds 64 MG Motherboards with VIA and other chipsets do not have this problem

9. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 20009 CCI Focus on PC Purchasing Research online evaluations of PCs performance, manufacturing support, and capabilities http://www.pcworld.com http://www.pccomputing.com http://www.cnet.com http://www.zdnet.com http://www.pcmagazine.com http://www.windowsmag.com

10. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 200010 CCI Power Supply Consider your needs and check the specifications Surge protectors UPS Consider time needed before shutdown

11. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 200011 CCI Motherboard Review motherboard capabilities before purchasing a system Call the manufacturer if the information is not readily available –this will affect future upgrading –http://www.tomshardware.comhttp://www.tomshardware.com

12. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 200012 CCI Microprocessor Intel and AMD are battling out processor bragging rights at both the low and high end of CPUs Determine limitations and differences before purchasing

13. Ch 2 FAQ© The McGraw-Hill Companies, Inc., 200013 CCI Compatibility Most software is backward compatible with new chips The older the hardware, the less likely that it will install easily and function completely in new systems