Computer hardware servicing


Computer Shop Network Layout



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Computer Shop Network Layout





  • Answer activity on page 223.

  • Ask the student to bring short coupon and drawing materials.

  • Guide the students in doing the activity.

  • Show sample schematic layout of a network computers.


Direction: In this activity, students will draw in a short coupon, layout plan of a computer café connected to a network. Write the specifications of the network hardware. Incorporate the following requirements:

    1. One computer server

    2. 20 client computers

    3. One DSL modem

    4. UTP cables

    5. Hub


CRITERIA

Percentage

Score

  1. Originality of network layout

40%




  1. Neatness of the drawing

40%




  1. Proper use of equipment and materials is observed.

10%




  1. Observance of Safety Precautions.

10%




PERFORMANCE RATING







LESSON 2: Maintain Computer Systems

What to KNOW

2.1 Follow OHS procedures in maintaining computer systems

Safety Precautions, Maintenance of the Computer System, Data Backup, Malware Maintenance, Disk Maintenance

  • Present the lesson on pages 224-229.

  • Discuss the Occupational Health and Safety (OHS) Policy

  • Remind the students of the Occupational Health Standards when working.

  • Present Data backup base from personal experience and give its importance.

  • Define Malware and give examples.

  • Refer to this link http://www.hyperlogik.com/Blog/virus-spyware-and-malware-maintenance-and-prevention/

  • Present the video from http://www.youtube.com/watch?v=dhQjH6UZA7g http://www.youtube.com/watch?v=_qNd22tijWw

2.2 Identify faulty computer systems

DIAGNOSIS AND IDENTIFICATION OF FAULTY SYSTEM

  • Discuss the lesson on pages 231-238.

  • Share teacher’s experience about the subject matter.

  • Guide the students in diagnosing faulty system

  • Do actual demonstration on the diagnosis or doing solutions of a certain hardware problem.

  • Show more videos with regards to the lesson if necessary.


2.3 Test normal functions of computer systems

Diagnostic Software Tools

  • Discuss the lesson on pages 240-252.

  • Educate the students with regards to the different Diagnostic Software tools

  • Show to students how software diagnostic tools work

  • Demonstrate how the different disk management tools works

  • Demonstrate the some general cleaning tips and use of cleaning tools.

  • Show the procedures in cleaning hardware components.

  • Refer to the following links

http://www.gcflearnfree.org/computerbasics/14

http://msisac.cisecurity.org/newsletters/2010-06.cfm

http://whirlpool.net.au/wiki/computer_maintenance

http://www.goamerican.com/perform-basic-computer-system-maintenance/

http://www.infohq.com/Computer/computer_maintenance_tip.htm
2.4 Perform repair and replacement of faulty computer systems

UNDERSTANDING PARTITIONS


  • Discuss the lesson on pages 258-259.

  • Familiarize / educate the learners about the disk partitioning.

  • Teachers may invite experienced computer technicians to share his expertise to the class.

  • The teacher and the class may go to the nearest computer repairs shop in their immediate community to observe and consult their expertise on computer hardware servicing and the subject matter.

  • Show more videos with regards to the lesson if necessary

  • Refer to the following links

http://www.bleepingcomputer.com/tutorials/understanding-hard-disk-partitions/

http://www.pcworld.com/article/185941/how_and_why_to_partition_your_hard_drive.html

http://diligent.tripod.com/hd-partn.htm
2.5 Adhere to the recommended schedule and techniques in maintaining and cleaning computer systems

Scan Disk


  • Discuss lesson on page 263-264.

  • Define the term scan disk.

  • Refer also to the following links

How to Scan Disk

http://www.computerhope.com/issues/ch001118.htm

Scan disk video

http://www.youtube.com/watch?v=91SBw9Fkmsw

Deleting Temporary Files


  • Discuss and demonstrate the subject matter on page 268.

  • Refer to the following links

http://pcsupport.about.com/od/maintenance/ht/manualtempxp.htm

http://www.computerhope.com/issues/ch000225.htm

http://www.wikihow.com/Delete-Temporary-Internet-Files

http://www.youtube.com/watch?v=_jrCVrMnct8

Disk Cleanup


  • Discuss lesson on page 271-272.

  • Define and discuss disk cleanup.

  • Mention / Infer to the following references




  1. http://www.computerhope.com/jargon/d/diskclea.htm

  2. http://www.theeldergeek.com/disk_cleanup_utility.htm

  3. http://support.microsoft.com/kb/310312

  4. http://windows.microsoft.com/en-us/windows/delete-files-using-disk-cleanup#delete-files-using-disk-cleanup=windows-7

  5. http://www.udel.edu/it/help/best-practices/running-disk-cleanup-windows-computer.html


What to PROCESS

2.1 Essay Activity

  • Let the student answer the activity on page 229.

  • Let the students write an essay on the importance of data backup

Directions: In this activity, write an essay about the importance of Data Backup. Relate your statements to the most treasured thing you possessed. Give also your own title for the essay. Minimum of 400 words.


2.2 Critical Review: Problems Encountered


  • Students’ activity on page 238.

  • Let the learners answer the activity

  • Give an example.


Directions: In this activity, list down at least five (5) problems, error messages or incidents you encountered while working or using the computer. Then your actions you have taken.


Problems Encountered

Actions Taken

1.




2.




3.




4.




5.





2.3 Ways to Improve your Computer's Performance

Disk Defragmentation

  • Students’ activity is on page 253

  • Let the students do the task on disk defragmentation on a computer assigned to them.

  • Guide the students to do the process

2.4 Duplication – Disk Image Backup

  • Students will do the activity on page 259-262.

  • Let the students do the disk image backup and follow the procedures given.

  • Do Peer tutoring if necessary

2.5 .1

  • Let the students do process activity on page 265-266.

  • Guide the students in doing the scan disk

  • Let the students demonstrate the process.

2.5.2 Temporary Internet Files

  • Do process activity on page 269-270.

  • Let the students perform the activity

2.5.3

  • Let the students do activity on page 272-274.

  • Discuss and demonstrate the methods in deleting files using disk cleanup

  • Guide the students in doing the procedure.

What to REFLECT and UNDERSTAND

2.1 Research and Investigate

  • Let the students do activity on page 230.

  • Let the students reflect and answer the questions. Call volunteers to discuss and share their answers.

  • Guide the students to do the task. Ask students to report their findings in class.

Directions: Have five members per group and make a research on the different cause and effect of data backup, malware maintenance and disk maintenance. You can also interview / observe a practitioner while lending a quality service in computer hardware servicing. This event will be presented orally through a role playing.
2.2 Slide Show Presentation

  • Students’ activity on page 239.

  • Let the student answer the activity and ask them to use the internet.

In this project, you will learn how useful the Internet can be for a Personal Computer (PC) support technician.

Directions: Using a personal computer, pretend that the motherboard manual is not available and you need to replace a faulty processor. Identify the manufacturer and model of the motherboard by looking for the manufacturer’s name and model number stamped on the board. Research the Web site for that manufacturer. Print the list of processors the board can support. Afterwards, make a slide presentation and report it to the class.




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