Computer maintenance chapters 1-7 review

By Benjamin Houlton

Chapter 1introducing hardware

• Learned that a computer requires both hardware and software in order to function

• All hardware operations are based on binary values• Binary number systems all consist of the two digits

0 and 1 • We learned that most input devices are externally

located on the computer

chapter 1 Continued…• Most of the computers processing and storage devices are located

internally • The connections in the computer case can either be wired or they

can be wireless• Expansion cards in the computers are installed in the expansion

slots inside the computer case.

Chapter 1 continued…• All of the devices in the computer communicate with the CPU

located on the motherboard• RAM is volatile memory• ROM is non-volatile memory

Chapter 2Introducing the operating system

• Main objective- learn about the various operating systems of the computer, and the difference between the different ones

• Learned about what tools a support technician needs to fix a computer

• What an operating system does for the computer • Different types of operating systems that can be

installed in your computer

Chapter 2 continued…• Some hard drives have hidden recovery partitions• Windows NT, XP,95,and 2000• Try to avoid installing windows NT

Chapter 2 continued…• Upgrading your computers operating system• How to manage an operating system • A computer only needs one operating system

Chapter 3PC Repair Fundamentals

• Solutions to keeping your computer clean• Personal computer maintenance• How to dismantle a computer the proper way• Static electricity

Chapter 3 continued…

• Learn how to troubleshoot computer problems• Help you diagnose problems inside your computer• Steps to putting a computer back together

Chapter 3 continued…• Learn what happens when you first turn on a PC

before the OS is loaded• We learned about basic computer skills needed• We also learned abut the advanced computer skills

needed

Chapter 4 form factors, ad power supplies

• Learn about different form factors and different computer cases.

• Learned how electricity in a computer is measured• Learn how to protect your computer system against

damaging changes in electrical power• Leaned about the energy star specifications

Chapter 4 continued…

• Power supply passes power to PC components• Energy star devices are designed to save the user

energy• We learned about the different form factors for the

computers motherboard

Chapter 4 continued…

• Learned about the AT, baby AT, and ATX computer form factors

• Learned about computer cases• Learned about AC, and DC • power

Chapter 5processors, and chips

• Learned about the many different processor used in personal computer today

• Learned about chipsets, and how they work• Learned how to keep a processer cool• Learned how to install and upgrade a processer

Chapter 5 continued…

• The processor is a field replaceable unit• The chipset is embedded in the motherboard• We learned about the major manufacturers of

processors

Chapter 5 continued

• Learned about the form factors used to rate processors

• Every computer has a internal cache• We learned about processor frequency speeds

Chapter 6motherboards

• Learn about the different types of motherboards and how to select one

• Learn how to support and configure a motherboard• Learn how to install or replace a motherboard• Learn how to troubleshoot a motherboard and

processor

Chapter 6 continued…• The motherboard is a field replaceable unit • we learned about different Motherboard form

factors• We learned that Expansion slots are supported by

buses

Chapter 6 continued…• Buses are like highway transportation systems• We learned about he PCI buses in computers • We learned about three ways to configure the

motherboard

Chapter 7upgrading memory

• Learn about the different kinds of physical memory and how they work

• Learn how to upgrade memory• Learn how to troubleshoot problems with memory• Memory technologies have evolved rapidly

Chapter 7 continued… • RAM (random access memory)• ROM (read-only memory)• Differences among DIMM, RIMM, and SIMM

modules

Chapter 7 continued…• SIMMS have a 32-bit data path • DIMM (dual inline memory module)• Synchronous DRAM (SDRAM)