computer maintenance chapters 1-7 review by benjamin houlton
TRANSCRIPT
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Computer maintenance chapters 1-7 review
By Benjamin Houlton
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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
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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.
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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
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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
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Chapter 2 continued…• Some hard drives have hidden recovery partitions• Windows NT, XP,95,and 2000• Try to avoid installing windows NT
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Chapter 2 continued…• Upgrading your computers operating system• How to manage an operating system • A computer only needs one operating system
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Chapter 3PC Repair Fundamentals
• Solutions to keeping your computer clean• Personal computer maintenance• How to dismantle a computer the proper way• Static electricity
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Chapter 3 continued…
• Learn how to troubleshoot computer problems• Help you diagnose problems inside your computer• Steps to putting a computer back together
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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
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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
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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
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Chapter 4 continued…
• Learned about the AT, baby AT, and ATX computer form factors
• Learned about computer cases• Learned about AC, and DC • power
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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
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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
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Chapter 5 continued
• Learned about the form factors used to rate processors
• Every computer has a internal cache• We learned about processor frequency speeds
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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
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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
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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
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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
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Chapter 7 continued… • RAM (random access memory)• ROM (read-only memory)• Differences among DIMM, RIMM, and SIMM
modules
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Chapter 7 continued…• SIMMS have a 32-bit data path • DIMM (dual inline memory module)• Synchronous DRAM (SDRAM)