Computer maintenance chapters 1-7 review

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

2. 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

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 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

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 3PC 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 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

15. Chapter 5 continued… • The processoris 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 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

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 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

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)