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Answer
.000001 seconds, or 1X 10 to the negative 6 seconds. This is a common unit of time measurement used in electronics, where an operation can be performed thousands of times in one second.
Answer
one millionth of a second

The Search button enables you to search for information on a keyword or a phrase. It displays a list of all the topics in which a specified word or a phrase occurs at least once.
The Search feature is similar to the Index feature, except with three main differences:
· The Search feature scans the entire text [...]

In Windows XP, the help system has been redesigned. Instead of a tabbed dialog box, the Help and Support Center presents the information grouped by topics and tasks. In addition to links the help system documents, there are also links to online Windows XP newsgroups and the Windows Update Web site. Of course, if [...]

Unlike in previous releases, the desktop does not contain a variety of program icons. When you start Windows XP, only the Recycle Bin icon is visible on the desktop. However, you now have the ability to display toolbars on the taskbar. To display the Desktop toolbar, right-click the taskbar and choose Toolbars, Desktop.
Unlocking the [...]

Windows XP Home is aimed at the home computer user. You can purchase the Upgrade version of Windows XP Home edition if you are currently using Windows 98, or Windows Millennium Edition (ME). Features of the Windows XP Home Edition include:
· A new interface design.
· Additional file and folder management tools for performing common tasks.
· [...]

Windows XP is an operating system designed for home and business computing environments. There are two different flavors of Windows XP for users—Home Edition and Professional. Microsoft also offers Windows XP server products for network and system administrators.

A sound board (also known as a sound card) is an output device that processes digital information stored in sound files and sends this information to speakers or headphones to produce sounds. Most frequently used sound files are the files with .wav and .au extensions. The sound board can be used for the following purposes:
· [...]

Questions and answers

1 List some of the factors that determine the type of printer you choose to buy.
Answers might include: speed, print quality, and cost.

2 David wants to print invitation cards for a party. Which printer would meet his need?
Laser printer

3 Which printer gives good resolution [...]

Many types of printers are available today. Each type of printer has special features associated with it. Printers are classified based on their features, such as speed, quality, and direction of printing.
The following table describes some of the most commonly used printers.

Printer

Description

Laser

Produces very high quality output, both in text and graphics. It is [...]

You use printers to create hard copies of the information stored on your computer. To hear the sound effects in multimedia programs as well as listen to music on your computer, you use sound boards and speakers.