COMPUTER REPAIR For Dr. Ritz OTED785 By November 15, 2001
COMPUTER REPAIRForDr. RitzOTED785ByFrank B. TatumPatrick Henry Community CollegeNovember 15, 2001
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 2 of 27Table of ContentsPageCurriculum Foundation ------------------- 3Content Structure ---------------------------- 4Program -------------------------------------- 4Program Goals -------------------------------- 4Scope and Sequence ------------------------- 5-6Individual Units ------------------------------- 7-15Curriculum Evaluation -------------------- 16-25Cover Letter for ------------------------ 26Curriculum Survey -------------------------- 27
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 3 of 27CURRICULUM FOUNDATIONSDEFINITON AND PILIOSOPHYFOR COMPUTER REPAIR COURSEThe computer repair course is used to introduce and develop the computer skills requiredby the student to complete class work in computer repair. This introduction will give thestudent the basis knowledge to use multiple operating systems, identify the parts of acomputer, and use logical steps in solving hardware and software problems. The aim ofthe curriculum is to develop basis computer hardware and software knowledge throughcomputer related repair problems. The developed curriculum is the first step in becominga competent computer repair technician.RATIONALEComputer repair is a demanding occupation that one can reap excellent benefits from. Ifone is willing to become A certified and continues to enhance one's skills he or she canenjoy a rewarding and self-fulfilling occupation. Salaries range from 20,000 to 40,000dollars at the entry level and can escalate up to 70,000 dollars or more yearly. The rateof salary depends on the amount of training and expertise one holds. Another thing thataffects salary is the area one lives in. In the metropolitan area the salaries are higher, butone should consider the cost of living, traffic, and population before choosing ametropolitan area over a rural area. There are presently many jobs waiting to be filled andopportunities for employment are increasing yearly. According to economic predictions,it will virtually be impossible to fill all the positions needed in the computer field.CONTENT SOURCEThe common body of knowledge is computer repair. Computer repair involvesidentifying computer parts, learning safety procedures, and learning the logical steps introubleshooting a computer. Within this topic are included identifying computer terms,learning the different components of the computer, disassembling and reassembling acomputer, learning safety precautions, removal and replacement of parts and logical stepsin troubleshooting computer problems.The content of this course will be derived from: A technician’s perspective An instructor’s perspective A student’s perspective A user’s perspective
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 4 of 27CONTENT STRUCTUREComputer Parts Motherboard Memory System Configuration Hardware Software Safety --- Disassembly and Reassembly Internet-------Communication Problem SolvingCOMPUTER REPAIR COURSE AIM AND GOALSPROGRAM AIMThe aim of the computer repair curriculum is to give students the basic computer skillsneeded to troubleshoot computer hardware and software problems and to prepare themfor an entry level of employment in this field of computers.PROGRAM GOALSThis curriculum will provide instructions and practice that will: Develop a working knowledge of computer hardware and softwareUse the logical steps in troubleshooting a computerPractice safety precautionsLocate documentation for computer componentsCommunicate with consumersDetermine the causes of computer problemsFormulate a solution to solve computer problems
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 5 of 27CURRICULUM CONTENTCOMPUTER REPAIRCOURSE SCOPE AND SEQUENCEUNIT ONEUNIT ONEWeek 1: Computer Parts Monitor Keyboard MouseWeek 2: Computer Parts PortsUNIT TWOUNIT THREEWeek 3: Motherboard Microprocessors Expansion Slots Chipset JumpersWeek 4: Memory Simms/Dimms ROM/RAM Memory removal/installationUNIT FOURUNIT FIVEWeek 5: System Configuration Setup Program Interrupts I/O (Input/Output)Addresses DMA (Direct Memory Access)Week 6: Peripherals Hard Drive CD ROM
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 6 of 27UNIT FIVEUNIT SIXWeek 7: Peripherals Modem FloppyWeek 8: Software DOS CommandsUNIT SIXUNIT SEVENWeek 9: Software Windows Installation andconfiguringWeek 10: Safety Procedures andDisassembly/Reassembly Anti-Static Wrist Strip Anti-Static Work Station Fire ExtinguisherUNIT SEVENUNIT EIGHTWeek 11: Safety Procedures andDisassembly/Reassembly Removal of Components Labeling Components Reassembling ComponentsWeek 12: Internet and CommunicationSkills Access Computer information viaInternet Explain the informationUNIT NINEUNIT NINEWeek 13: Problem Solving Differentiate between hardware andsoftware problemsWeek 14: Problem Solving Isolate Problem Create a SolutionUNIT NINEWeek 16: Final ExamWeek 15: Problem Solving Test Solution Provide Feedback16 Week Semester --1 hour lecture and 2 hours laboratory--- Total 3 hours
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 7 of 27COMPUTER REPAIRUNIT ONE--COMPUTER PARTSTwo-WeeksUNIT GOALS:1. Recognize the parts of a computer which makeup a computer system2. Become familiar with the ports of a computer so that one will not connectcomponents improperlyRATIONALE FOR UNIT:Knowing the parts and ports of a computer system is the vital link in troubleshootingcomputer problems. Before one becomes a computer technician, he/she must be able toidentify and understand the parts and ports of a computer. This is the first step in onequest for competency in solving computer problems.OBJECTIVES FOR UNIT:1. Produce a sketch of the parts of a computer system2. Define the parts of a computer system3. Discuss the purpose of each part of the computer system4. Define the ports on a computer5. Discuss the purpose of each port on a computerUNIT ACTIVITIES1.2.3.4.Draw a computer system and label the partsExplain the function of each part of the computer systemCreate a list of computer portsExplain the purpose of each portsReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 5-21 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 160-168COMPUTER REPAIR
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 8 of 27UNIT TWO--MOTHERBOARDOne-WeekGOALS:1. Recognize the parts of a motherboard2. Become familiar with the types of microprocessorsRATIONALE FOR UNIT:The motherboard is the main circuit board and contains most of the electronic circuitry.One must become familiar with the motherboard of a computer system in order tounderstand what microprocessor and adapters are compatible with the computer system.OBJECTIVES FOR UNIT:1.2.3.4.5.Develop a knowledge of the parts of a motherboardDefine the types of microprocessorsDescribe expansionsDescribe chipsetDescribe and configure jumpersUNIT ACTIVITIES1.2.3.4.5.Draw a motherboard and label the partsCreate a list of microprocessorsDraw a diagram of the expansion slotsExplain each expansion slotsExplain chipset and configure jumpersReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 26-54 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 44-50;101-109COMPUTER REPAIR
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 9 of 27UNIT THREE--MEMORYOne-WeekGOALS:1. Become familiar with memory2. Become proficient in installing memoryRATIONALE FOR UNIT:Memory is the key to a computer performing a request. Without memory a computerwould be an expensive doorstop. Main memory is where most requests reside before theyare processed. Knowing the types of memory and how memory works is crucial insolving computer problems.OBJECTIVES FOR UNIT:1.2.3.4.Explain memoryAcquire knowledge to remove and install memory chipsExplain how memory worksDifferentiate between ROM and RAM memoryUNIT ACTIVITIES1.2.3.4.5.Read documentation on memory and explain itExplain the procedures in exchanging memoryRemove memory chips and reinstall themDraw a diagram of memory areasExplain ROM and RAM memoryReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 187-243 Supporting MS-DOS and Microsoft Windows Third Edition by Thomas P.Cavaiani Ph. D. and Susan Lanier-Graham, A plus Certified Service Technicianpages 77-87 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 79-97
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 10 of 27COMPUTER REPAIRUNIT FOUR--SYSTEM CONFIGURATIONOne-WeekGOALS:1. Acquire knowledge of computer setup programs2. Use setup program to solve conflictsRATIONALE FOR UNIT:Setup programs are what allow computers to startup. The setup program indicates howmuch memory is installed, what types of drives are installed, the startup sequence, andkeeps the time and date. One must learn to use the setup program to solve startup errorsand configure computers for optimum performance.OBJECTIVES FOR UNIT:1.2.3.4.5.Develop knowledge of setup programsExplain setup keystrokesDescribe interruptsDescribe I/O (Input/ Output) addressesDescribe DMA (Direct Memory Access)UNIT ACTIVITIES1.2.3.4.5.Read documentation on setup programs and explain their functionsCreate a list of keystrokes for entering setup programsDraw a diagram of interrupts and explain their purposesDraw a diagram of I/O addresses and explain their functionsDraw a diagram of DMA and explain their functionsReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 65-97 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 43-50
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 11 of 27COMPUTER REPAIRUNIT FIVE--HARDWARETwo-WeeksGOALS:1. Acquire knowledge of hardware2. Develop an understanding of configuring hardwareRATIONALE FOR UNIT:In order for one to solve computer problems, he/she must gain knowledge abouthardware. Hardware provides the means of storing, retrieving, and sending data. Harddrives, floppy drives, CD ROM drives, and modems are the most important hardwarecomponents to understand. One must acquire knowledge of and develop skills inconfiguring these components.OBJECTIVES FOR UNIT:1.2.3.4.Develop a knowledge of hardwareDescribe the types of hardwareDescribe the process of configuring hardwareDevelop skills in configuring hardwareUNIT ACTIVITIES1.2.3.4.5.6.Read documentation on hard drives, floppy drives, CD ROM, and modemsExplain the use of all four componentsConfigure a hard drive to master and slave positionConfigure a CD ROM to master and slave positionInstall a floppy driveInstall and configure a modemReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 277-460 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 111-157
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 12 of 27COMPUTER REPAIRUNIT SIX--SOFTWARETwo-WeeksGOALS:1. Acquire knowledge of DOS (Disk Operating System) software and Windowssoftware2. Develop an understanding of installing and configuring softwareRATIONALE FOR UNIT:Installing and configuring operating systems is vital in solving computer problems. Themain two types of operating systems used today are DOS and Windows. One shouldacquire knowledge of and develop skills in installing and configuring these two operatingsystems. Without a working knowledge of these operating systems, one will not succeedin solving computer problems.OBJECTIVES FOR UNIT:1.2.3.4.5.6.Develop a knowledge of DOSDescribe installation processesConfigure DOSDevelop a knowledge of WindowsDescribe installation processesConfigure WindowsUNIT ACTIVITIES1.2.3.4.5.Read documentation on DOS and WindowsImplement the fdisk command to partition a hard driveImplement the format command to format a hard driveInstall DOSConfigure the autoexec.bat by removing the echo off text and write down whatoccurs when the computer is restarted6. Configure the Config.sys by removing the buffer 10 text and write down whatoccurs when the computer is restarted7. Install Windows8. Use msconfig command to change what loads during startupReference: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 591-632COMPUTER REPAIR
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 13 of 27UNIT SEVEN-- SAFETY AND DISASSEMBLY/REASSEMBLYTwo-WeeksGOALS:1. Acquire knowledge about safety and disassembly and reassembly of computers2. Become proficient in using safety techniques in disassembling and reassemblingcomputersRATIONALE FOR UNIT:Safety is a key issue when working with computers. Many computers are damaged andpeople are injured by not using correct safety procedures when repairing computers. Oneshould learn and implement safety at all times when working with computer. Also, forone to repair a computer, many times one must disassemble and reassemble the computerto perform the task. One should have a basic knowledge of computer disassembly andreassembly before attempting to solve internal computer problems.OBJECTIVES FOR UNIT:1.2.3.4.Explain the safety procedures when repairing a computerDemonstrate the safety procedures when repairing a computerExplain the steps in disassembling a computerExplain the steps in reassembling a computerUNIT ACTIVITIES1.2.3.4.5.6.Read documentation on safety proceduresPractice the safety procedures when repairing a computerDisassemble a computerCreate a diagram of the parts of the computerReassemble a computerPower computer and make sure it operates correctlyReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages 107-132 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 66-69COMPUTER REPAIR
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 14 of 27UNIT EIGHT-INTERNET AND COMMUNICATION SKILLSOne-WeekGOALS:1. Acquire knowledge about looking up computer documentation for the Internetand explain the contents of it.2. Become familiar with relating information to consumersRATIONALE FOR UNIT:Successful communication with consumers is very significant in becoming a proficientcomputer technician. One should acquire the skills to find and explain computerdocumentation to consumers. As a technician, one should learn this skill as soon aspossible to alleviate many misunderstanding between consumers and oneself. If onedesires to gain an edge in the computer field, communication skills are the link toaccomplish it.OBJECTIVES FOR UNIT:1. Acquire knowledge to search the Internet for computer documentation2. Demonstrate research skills by obtaining information from Internet aboutcomputers3. Summarize the information obtained4. Explain the information to consumers in language they can understandUNIT ACTIVITIES1.2.3.4.5.6.Access the Internet using a web browser and explore the features of the browserResearch computer motherboard documentationPrint the documentationSummarize the informationProvide the information to a consumerExplain questions the consumer might have in language easy to understandReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, pages: 24, 63,106, 132, 460, 526,
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 15 of 27COMPUTER REPAIRUNIT NINE--PROBEM SOLVEINGThree-WeeksGOALS:1. Acquire knowledge to differentiate between hardware and software problems2. Become familiar with isolating a problem3. Identify a solution to the problemRATIONALE FOR UNIT:Problem solving is the pinnacle of this curriculum. All the other components worktogether to form problem-solving skills. Once the basic steps in problem solving arelearned, one will continue to add to these by performing computer repairs. Without abasic knowledge in solving computer problems, one will spend many frustrating hourstrying to repair computers.OBJECTIVES FOR UNIT:1.2.3.4.Explain the difference in a hardware and software problemsDemonstrate procedures to isolate a problemInterpret computer errors messagesSolve computer hardware and software problemsUNIT ACTIVITIES1.2.3.4.5.6.Read documentation on hardware and software problemsPractice steps in isolating a problemCompare error message with the error message documentationDevelop a list of possible solutionsTest the solutionProvide feedbackReferences: The Complete Computer Repair Textbook by Cheryl A. Schmidt, 173-185 Supporting MS-DOS and Microsoft Windows Third Edition by Thomas P.Cavaiani Ph. D. and Susan Lanier-Graham, A plus Certified Service Technician,pages 242-258 Supporting Microcomputers Third Edition by Thomas P. Cavaiani Ph. D. and JimJoy, A plus Certified Service Technician and Susan Lanier-Graham, A plusCertified Service Technician, pages 239-279
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 16 of 27CURRICULUM EVAULTIONSTUDENT EVALUTION--SAMPLESThis will include tests, quizzes and labs given throughout the courseAfter five weeks are completed a quiz and a lab will be given.After nine weeks are completed there will be a midterm exam and lab given.After fifteen weeks are completed there will be a lab givenThe final exam will be given on week sixteenQUIZ NUMBER ONECOMPUTER REPAIR1.The chip holds start-up software that must be present in order for acomputer to boot.A. RAMB. ROM BIOSC. ExpansionD. DIMM2. What chip should be installed to replace an 80486SX in order to give it math coprocessing abilities?A. 80486DXB. 80487DXC. 80487SXD. 80487DX3. memory speeds up microprocessor operations and can be locatedinside the microprocessor and/or on the motherboard.4. The oldest architecture that is still in computers today is .A. ISAB. EISAC. PCID. MCAE VL-bus5. Which of the following describes 70 new microprocessor commands that speedup 3-D graphics, image editors, speech recognition software, and video editing?A.MMXB.AGPC.MMX2D.SEPP
Frank B. Tatum----Teletechnet @ PHCCOTED 785Page 17 of 276.Anis a number assigned to an adapter so that the microprocessor canprioritize between devices7.T/FAll devices must have a separate I/O addresses.8.If a system is using cascaded interrupts and a device is assigned IRQ14, whatinterrupt is sent to the microprocessor?A.IRQ0B.IRQ1C.IRQ2D.IRQ9E.IRQ149.If a system is using cascaded interrupts and a device is assigned IRQ3, whatinterrupt is sent to the hat is the purpose of the battery on the motherboard?A.B.C.D.11.A.B.C.D.To keep the information current in CMOSTo keep the information current in ROM BIOSTo keep the information current in RAMTo keep the POST software current so it can execute during startupWhat is the purpose of the Boot Sequence option available in most computersSETUP?Allows POST to be disabledAllows RAM testing above 1MB to be disabledAllows POST to be executed after the machine bootsAllows changing where the computer looks first for the boot
1. Produce a sketch of the parts of a computer system 2. Define the parts of a computer system 3. Discuss the purpose of each part of the computer system 4. Define the ports on a computer 5. Discuss the purpose of each port on a computer UNIT ACTIVITIES 1. Draw a computer system and label the parts 2.
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