1. Computer maintenance chapters 1-7 review By Benjamin Houlton

2. Chapter 1 introducing 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

3. 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.

4. 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

5. Chapter 2 Introducing 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

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

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

8. Chapter 3 PC Repair Fundamentals Solutions to keeping your computer clean Personal computer maintenance How to dismantle a computer the proper way Static electricity

9. Chapter 3 continued… Learn how to troubleshoot computer problems Help you diagnose problems inside your computer Steps to putting a computer back together

10. 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

11. 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

12. 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

13. Chapter 4 continued… Learned about the AT, baby AT, and ATX computer form factors Learned about computer cases Learned about AC, and DC power

14. Chapter 5 processors, 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

15. 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

16. Chapter 5 continued Learned about the form factors used to rate processors Every computer has a internal cache We learned about processor frequency speeds

17. Chapter 6 motherboards 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

18. 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

19. 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

20. Chapter 7 upgrading 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

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

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