Computer Servicing Advanced Course.

Some of what you may learn to do in this course:

• Explain how to repair a range of hardware faults determined to be common.
• Repair an inoperable printer cable for a computer
• Delete unwanted files from an operating system
• Explain how to repair a range of software faults determined to be common.
• Delete unwanted files from an operating system
• Recommend appropriate hardware for different applications
• Explain how to replace a faulty power supply.
• Explain how to replace a mother board.
• Describe the installation of extra ram
• Install an extra HDD to work in conjunction with the existing HDD

Content & Structure:

There are 9 lessons in total, as outlined below:

Removable storage

• Introduction; overview
• Volatile memory
• Non-volatile memory
• Magnetic disk media
• Magnetic tape media
• Magneto optical drives
• Flash memory media
• Pen drives
• External hard drives

Electronics7

• Silicon and computers
• Linear electronics
• Simple semiconductor devices
• Pin junction diode
• Other diodes’ zener, vericap, light emitting, etc
• Bipolar transistors
• Field effect transistors
• Optoelectronics
• Digital electronics
• AND gate
• OR gateNOT gate
• NOR gate
• NAND gate
• XOR gate
• XNOR gate

Audio systems

• Different audio files
• MIDI sound files
• Types of sound cards
• How to install a sound card
• How to configure software for a sound card
• How does a sound card work
• MP3
• ASIO
• Common problems with sound cards and how to solve them

Video systems

• Overview and Video system interfaces
• Video card functions
• PCI local Bus
• Types of graphic cards
• Types of monitors: CRT, LCD, LRD, Gas plasma
• Multiple displays
• Troubleshooting tips

Laptops and other portable devices
PDA’s -brief overview
Common problems
Blackberries and common problems
Rechargeable battery technology: NiCad, NiMh, Lithium ion
Dead cells
Digital cameras
Digital advantages
Chips and flash
Portable printers
Common printer problems and causes
Portable DVD

Diagnosis and regular maintenance
Software types
System software
Utility software
Application software
Regular computer servicing: maintenance procedure
Disk clean-up
Disk defragmenter
The BIOS
Upgrading the BIOS
Troubleshooting BIOS Beep codes
Troubleshooting hardware

Networking – an introduction
LAN
Types of LAN
LAN Topology
Hardware for a basic network
Network cards
Network cable
Networking devices
Types of networks
Wireless networks
Software licencing
Network security and information security

Aims:

• Describe as many of the different forms of removable storage used by computer systems, digital cameras, PDA’s, MP3 players and other computer peripherals.
• Explain electronics as a basis for undertaking repairs to computers and peripherals.
• Discuss the audio systems primarily on IBM compatible Pc’s but is also relevant to other systems such as the Apple Mac.
• Discuss the video systems primarily on IBM compatible Pc’s but is also relevant to other systems such as the Apple Mac.
• Suggest troubleshooting solutions for laptops, PDA’s, MP3 players, Digital cameras and other portable devices.
• Discuss diagnosis and maintenance procedures to help identify and prevent common hardware and software problems.
• Describe the connectivity of computer systems.
• Discuss the Internet and common problems relating to its use.
• Explain printers, their applications, and how to deal with printer related problems.

Some of what you may learn to do in this course:

• Explain how to repair a range of hardware faults determined to be common.
• Repair an inoperable printer cable for a computer
• Delete unwanted files from an operating system
• Explain how to repair a range of software faults determined to be common.
• Delete unwanted files from an operating system
• Recommend appropriate hardware for different applications
• Explain how to replace a faulty power supply.
• Explain how to replace a mother board.
• Describe the installation of extra ram
• Install an extra HDD to work in conjunction with the existing HDD

Proxy server
Intrusion detection systems