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Your PC may not have all of these cables; just document the ones you do have
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2: The Visible PC
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Data cable from the printer to the PC (both ends) Type of connector: End 1 (PC) __________ End 2 __________ Male or Female: End 1 (PC) __________ End 2 __________ Number of pins/holes/conductors __________
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Data cable from the keyboard to the PC Type of connector: End 1 (PC) __________ End 2 __________ Male or Female: End 1 (PC) __________ End 2 __________ Number of pins/holes/conductors __________
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Data cable from the mouse to the PC Type of connector: End 1 (PC) __________ End 2 __________ Male or Female: End 1 (PC) __________ End 2 __________ Number of pins/holes/conductors __________
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Data cable from the network (cable modem / DSL modem) to the PC Type of connector: End 1 (PC) __________ End 2 __________ Male or Female: End 1 (PC) __________ End 2 __________ Number of pins/holes/conductors __________
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Data cable (telephone wire) from the internal modem to the telephone jack Type of connector: End 1 (PC) __________ End 2 __________ Male or Female: End 1 (PC) __________ End 2 __________ Number of pins/holes/conductors __________
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Step 5 If you re working with someone else, play Flash Cords Have your partner hold up various cables, and try to guess what they connect to by the connectors on the ends Then switch roles and quiz your partner Step 6 Properly reconnect all of the cables that you removed and prepare to turn on the system If you have an On/Off button on the back of the system, be sure it is set to the on position Make sure the monitor is turned on as well Step 7 Examine other computers to see if they have different connectors than the ones you ve already documented See if you can identify the peripherals that connect to those sockets and plugs
Lab Exercise 203: Recognizing External Connections
Figure 2-5 Can you match the connectors on these two system units
Step 8 The two system units in Figure 2-5 look different, but they have many connectors in common Try to nd the following connectors on each system unit:
Power Monitor Mouse
Keyboard Printer Network
Step 9 Describe the connector that matches each type of cable in the list Use 2 of Mike Meyers A+ Guide to Managing and Troubleshooting PCs or your notes (photos) for reference Cable Type Keyboard cable Mouse cable Speaker cable Connector Type(s) __________________ __________________ __________________
2: The Visible PC
Monitor data cable Printer data cable (printer end) Printer data cable (PC end) Network data cable Modem/telephone wire
__________________ __________________ __________________ __________________ __________________
Step 10 Identify the connectors pictured next What is the name of each connector and what does it connect to
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
S 30 minutes
Lab Exercise 204: Safeguarding Against Damage from Electrostatic Discharge (ESD)
So far, everything that you ve explored has been accessible without removing the cover of the PC In the next few labs, you ll be opening up the case to explore the components inside As discussed in Mike Meyers A+ Guide to Managing and Troubleshooting PCs, good techs always protect themselves and the systems they work on from electrical damage Protecting yourself is fairly easy at this point: unplug the power cord from the electrical outlet and from the power supply on the PC (see Figure 2-6)
Lab Exercise 204: Safeguarding Against Damage from Electrostatic Discharge (ESD)
Figure 2-6 Unplugging the power to protect yourself
To protect the system unit s sensitive components, you can use the following tools:
Anti-static wrist strap Anti-static mat or anti-static wrist strap and mat combination Anti-static bag
Proper use of these tools will help safeguard the components of the system unit against electrostatic discharge damage just as removing the power cord from the PC and the wall will help ensure that you are around to work on PCs for many years to come!
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