What is a device Manager ?

Answer 1

First introduced with the release of Microsoft Windows 95, the Windows Device Manager is a program that allows a user to view hardware devices and their status. Device Manager is available in Microsoft Windows 95, Windows 98, Windows ME, Windows 2000 and Windows XP.The Device Manager is a tool included with Microsoft Windows operating systems that allows the user to display and control the hardware attached to the computer. When a piece of hardware is not working, the offending hardware is highlighted where the user can deal with it. The list of hardware can be sorted by various criteria.When you use Device Manager, you have a graphical view of the hardware that is installed on your computer. You can use Device Manager to change the way your hardware is configured, and to change the way your hardware interacts with your
computer's microprocessor

Answer 2

This is a part of your Operating Service that allows you to manage your devices. Open it once and you'll see things like your disk drives and processor. From device manager you can update the drivers (program codes that allow your computer to work), view the specifications on all the hardware in your computer. It will tell you if there are certain things wrong with the hardware devices and give you a few options to fix these things. Very usefull tool.

Answer 3

"The Device Manager is a Control Panel applet included with Microsoft Windows operating systems that allows the user to display and control the hardware attached to the computer. When a piece of hardware is not working, the offending hardware is highlighted where the user can deal with it. The list of hardware can be sorted by various criteria."

Answer 4

http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/snap_dev_mgr.mspx?mfr=true