Summary
This section discusses the following methods that can be used to cool the system:
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Heat sensors
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Fans
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Heat sink
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Rounded cables
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Liquid cooling
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Room temperature
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Ventilation
PC Pro Exam Objectives: -
Use correct procedures to install a CPU in a motherboard using a thermal pad or paste, a heat sink and fan, and power connectors.
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View BIOS settings to verify proper installation of the processor.
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Monitor cooling fan speed and CPU temperature.
A+ 220-801 Exam Objectives: -
1.6 Differentiate among various CPU types and features and select the appropriate cooling method.
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Cooling
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Heat sink
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Fans
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Thermal paste
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Liquid-based
Lecture Focus Questions:
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How does adequate cooling improve performance and extend the life of components?
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How does organizing and attaching cables and wires in and around a computer system help with internal airflow?
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Why should you keep the system case cover on during normal operations?
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When might you want to add liquid cooling to a computer?
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What is the difference between a heat sink and a heat spreader?
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What is the function of a thermal pad? When should it be used?
Video/Demo Time
 3.10.1 System Cooling 11:30
Number of Exam Questions
4 questions
Total Time
About 20 minutes
Section 4.1: Peripheral Devices Summary
In this section students will learn how to connect peripheral devices through an external port to your computer. Concepts covered include:
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Connection types :
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PS/2
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USB
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Firewire
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Serial
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Parallel
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PC Card (PCMCIA)
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PCI Express (ExpressCard)
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Troubleshooting techniques specific to the following devices:
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Common interfaces used for connecting input devices include:
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6-pin mini-DIN (PS/2 connector) for keyboard and mouse
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USB for keyboard, mouse, and other devices
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Infrared and wireless connections for keyboards, mouse, and other devices
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DB-9 (serial) connector for specialized input devices
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Considerations for selecting the following input devices:
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Keyboard
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Mouse
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Touchscreen
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Digitizer
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Game pad
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Scanner
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Barcode reader
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KVM switch
Students will learn how to:
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Connect peripheral devices using the appropriate cables and connectors.
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Add USB and Firewire support using adapter cards and motherboard header devices.
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Edit peripheral device settings in the BIOS.
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Install, update, and roll back device drivers.
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Enable, disable, and uninstall devices using Device Manager.
PC Pro Exam Objectives: -
Identify external device connectors and cables by sight or name.
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Connect external devices using the appropriate connectors and cables.
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Install drivers for external devices.
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In the Windows operating system, prepare devices for safe removal.
A+ 220-801 Exam Objectives: -
1.7 Compare and contrast various connection interfaces and explain their purpose.
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Physical connections
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USB 1.1 vs. 2.0 vs. 3.0 speed and distance characteristics
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Connector types: A, B, mini, micro
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Firewire 400 vs. Firewire 800 speed and distance characteristics
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SATA1 vs. SATA2 vs. SATA3, eSATA, IDE speeds
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Other connector types
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Serial
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Parallel
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VGA
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HDMI
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DVI
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Audio
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RJ-45
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RJ-11
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1.12 Install and configure various peripheral devices.
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Input devices
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Mouse
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Keyboard
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Touch screen
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Scanner
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Barcode reader
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KVM
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Microphone
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Biometric devices
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Game pads
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Joysticks
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Digitizer
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Multimedia devices
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Digital cameras
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Microphone
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Webcam
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Camcorder
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MIDI enabled devices
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Output devices
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Printers
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Speakers
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Display devices
Lecture Focus Questions:
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What is the difference in the way that serial devices transmit data and parallel devices transmit data?
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Why might you have a resource sharing problem if you install a serial device on both COM 2 and COM 4?
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What type of ports are common parallel devices such as printers and scanners connected to?
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What types of peripheral devices does USB support?
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How can you verify that a device is compatible with the version of Windows on the system?
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What is different about installing a USB device driver and installing drivers for other device types?
Video/Demo Time
4.1.1 Peripheral Devices 4:11
4.1.3 Input Devices 3:32
Total 7:43
Lab/Activity Number of Exam Questions
4 questions
Total Time
About 25 minutes
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