Professor Messer, Author at Professor Messer IT Certification Training Courses

Professor Messer’s Free CompTIA A+ Certification Training Course – Printers and Scanners

CompTIA A+ Videos / October 10, 2008

The management of printers and scanners can be a challenging technical hurdle for even the most seasoned computing professional. Organizational productivity usually screeches to a grinding halt when the printer isn’t working! In this series of CompTIA A+ training videos, we’ll provide you with an introduction to printers and scanner technologies and take you through the process of selecting, installing, and supporting a printer and scanner.

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Introduction to Printers and Scanners

CompTIA A+ Videos / October 9, 2008

What’s the difference between an inkjet printer and a laser printer? How does a thermal printer work? How is a flatbed scanner different than a drum scanner? Get these answers and much more in this CompTIA A+ training video on printers, scanners, and all-in-one devices!

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System Resources: I/O, IRQ, and DMA

CompTIA A+ Videos / September 27, 2008

If you’ve ever looked into the details of the Windows Device Manager, then you’ve probably seen references to I/O addresses, IRQ values, and DMA settings. In this CompTIA A+ training video, we’ll explain what all of these abbreviations mean and show you how the Windows Device Manager can be used to view and modify the system resources in your personal computer.

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Professor Messer’s Free CompTIA A+ Certification Training Course – Input, Output, and System Resources

CompTIA A+ Videos / September 27, 2008

The most basic operations of our personal computers involve inputting data, allocating system resources, and outputting the results.

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Installing, Configuring, and Upgrading Audio

CompTIA A+ Videos / September 26, 2008

The use of audio in personal computers has evolved dramatically through the years, and the current assortment of audio hardware devices and software is varied enough to keep even the most knowledgeable technicians guessing. In this CompTIA A+ training video, we’ll show you common audio input and output methods, discuss the details of sample rates, examine the differences between audio bit depths, and perform some audio configurations in Windows XP.

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Installing, Configuring, and Upgrading Video

CompTIA A+ Videos / September 26, 2008

Video is one of the most common output devices, and it has also become one of the most important. In this video, we’ll discuss the latest video technologies, examine differences in video adapters, and learn how to configure and troubleshoot video settings in Windows XP.

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Input Devices

CompTIA A+ Videos / September 26, 2008

For your computer to do anything, it first has to know where to start. Fortunately, our personal computers have many ways of getting information into the system so that processing can begin. In this CompTIA A+ video module, we’ll show you some of the most common input methods and some specialty input devices.

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Professor Messer’s Free CompTIA A+ Certification Training Course – Cooling Systems

CompTIA A+ Videos / September 23, 2008

Proper personal computer cooling is important for maintaining the long-term availability of your important systems. This chapter provides a comprehensive overview of PC cooling and shows how you can easily install and monitor the health of your PC cooling systems.

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Cooling Systems Installation and Troubleshooting

CompTIA A+ Videos / September 23, 2008

Installing a CPU fan or case fan is a simple process, and this video will show you how easy it is to select an install a new fan in your computer. We’ll also provide you with some tips for maintaining the proper airflow through your system and where you can find free software monitoring tools to check on the internal temperature of your computer.

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Cooling System Overview

CompTIA A+ Videos / September 23, 2008

Personal computers must be constantly cooled to ensure the system runs at peak efficiency. Without appropriate cooling in place, the computer’s life expectancy is shortened and in extreme cases the computer will halt due to overheating of the components. In this video, you’ll learn how computers are cooled through heat sinks, on-board fans, computer case fans, and liquid cooling systems.

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