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Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy of a Computer Bill Lester - NinthBridge

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Page 1: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computer /nm./: a device designed to speed and automate errors

Hardware /nm./: the part of the computer that you can kick

— From the Jargon File

The Anatomy of a Computer

Bill Lester - NinthBridge

Page 2: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

You have nothing to fear, but fear itself!

Page 3: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

The Anatomy of a Computer

• Define Terms• Examine Scenarios• Learn about Tools• Learn about Resources• Perform Activities

Objectives:

Page 4: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

"The computer allows you to make mistakes faster than any other invention, with the possible exception of guns and vodka."

• “…any of a variety of electronic devices that are capable of accepting data and instructions, executing the instructions to process the data, and presenting the results. A computer typically has a central processing unit (CPU), internal and external memory storage, and various input/output devices such as a keyboard, display screen, and printer. A computer system consists of hardware (the physical components of the system) and software (the programs used by the computer to carry out its operations)…”

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

What is a Computer?

Page 5: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Microprocessor• Motherboard/Bus• Operating System• Power• Memory• Input/Output Ports• Input Devices• Data Storage Devices• Display• Peripherals

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Anatomy of a Computer

Page 6: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Microprocessor

Page 7: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Motherboard/Bus

Page 8: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Windows– XP– 2000– NT– 98

• MAC OS– 10.x

• LINUX– Red Hat 8.0

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Operating System

Page 9: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Power

Page 10: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Memory

Page 11: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * InputData Storage * Display * Peripherals

Input/Output Ports

Page 12: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * Input Data Storage * Display * Peripherals

Input Devices

Page 13: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * Input Data Storage * Display * Peripherals

Data Storage Devices

Page 14: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * Input Data Storage * Display * Peripherals

Display

Page 15: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Computers * MicroprocessorMotherboard/Bus * Operating SystemPower * Memory * Ports * Input Data Storage * Display * Peripherals

Peripherals

Page 16: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Exercise

Lets take apart a computer!

– Open– Label– Identify– Reassemble

Page 17: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• What is “Troubleshooting”?• What is the best methodology for

troubleshooting?• What is the most common mistake in

troubleshooting?

TroubleshootingObjectives:

Page 18: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Description• Environment• History• Change History

Define the ProblemProblem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 19: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Software• Hardware• Operating System• Drivers• Network• Internet• External• Miracle• And #1 cause: USER!

Define the range of causesProblem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 20: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Don’t assume that you do not have the skills to solve the problem

• Don’t assume that there are multiple causes to your problem

• Do realize that you may be able to take the troubleshooting to an intermediate point, and then you will have to consult an “expert”.

• Assume that this problem has happened before to others

• Assume that there is a resolution to your problem

AssumptionsProblem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 21: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Assume there are resources that will help you solve your problem– Peer Resources– Expert Resources– Isolated Resources

• The most difficult problems to troubleshoot are intermittent problems

• The most frustrating problems to troubleshoot are those where the solution relies on the active participation of other troubleshooters

AssumptionsProblem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 22: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Ask lots of questions, but don’t be accusatory• Clues

– Error messages– Funny smells– Liquids– Static electricity– Warm room/computer– Logs– Utilities

• Survey nearby users

Begin the systematic elimination of causes

Problem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 23: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Start with the simplest/most obvious– Is the plug in?– When in doubt, reboot– Can you duplicate the problem?

• Notice if anything changes during the troubleshooting process.

• Nothing is too silly/stupid• Eliminate big items

– Is it just this machine or all machines?– Is it just this user or other/all users?– Is it this version of the software/hardware or other/all

versions?

• Eliminate items that have multiple sub-items

Begin the systematic elimination of causes

Problem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 24: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Change only one thing at a time!– Takes a while, but is the most effective

methodology for identifying the cause of a problem

• Alternative method– Multiple changes, if clear and easy

• Make the enduser part of the troubleshooting team (if appropriate)

Begin the systematic elimination of causes

Problem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 25: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Be certain that you have identified/resolved the problem– Test and retest

• Try to explain to the user the problem’s cause/resolution

• Document – Don’t reinvent the wheel

Resolution Problem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 26: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

• Exercise - Describe an interesting troubleshooting experience.

• Exercise – The printer doesn’t work

• Exercise – I can’t find the NE key

• Exercise – The Internet doesn’t work

Exercises Problem Identification * AssumptionsCauses * ResolutionExercises * Resources

Page 27: Computer /nm./: a device designed to speed and automate errors Hardware /nm./: the part of the computer that you can kick — From the Jargon File The Anatomy

Resources Problem Identification * AssumptionsCauses * ResolutionExercises * Resources


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