Media Player - A media player is a program that allows you to view images and animation, listen to audio and watch video files on your computer. Media players may also include the capability to organize media files, convert them to different formats, connect to and purchase media from an online media store, download podcast and vodcast, burn audio CDs, and transfer media to portable media players. Windows includes windows media player. There other popular media players are iTunes, realplayer and rhapsody.

Example media player :

Disc Burning an Personal Computer Maintenance - Disc Burning software writes text, graphic, audio and video on a recordable or rewritable cd, dvd, or blu-ray disc. This software enables the home user easily to back up contents of their hard disk on an optical disc  and make duplicates of uncopyrighted music or movie. Disc burning software usually also includes photo editing, audio editing and video editing capabilities.

When you buy a recordable or rewritable disc, it typically includes burning software. You also can buy stand alone disc burning software for a cost of less than $100.

Personal Computer Maintenance, Operating system tyipically include a diagnostic utility that diagnoses computer problems but does not repair them. A personal computer maintance uyility identifies and fixes operating system problems, detects and repair disk problems and includes the capabilitiy of improving a computer's performance. Additionally, some personal computer maintance utilities continuously monitor a computer while you use it do identify and repair problems before they occur.

CRT Monitors - A CRT monitor is a desktop monitor that contains a cathoderay tube. A cathoderay tube (CRT) is a large, sealed glass tube. That front of the tube is the screen. Tiny dots of phospor material coat the screen on a CRT. Inside the CRT, an electron beam moves back and froth across the back of the screen to glow, which produces an image on the screen.

CRT monitors have a much larger footprint than do LCD monitors : that it, they take up more desk space and thus are not used much today. A CRT monitor's viewable size is the diagonal measurement of the actual viewing area provided by the screen in the CRT monitor. A 21 inch monitor, for example : may have a viewble size of 20 inches.

Digital Communications - Which factor largely in many people's personal and business lives, include any transmission of information from one computer or mobile device to another. This feature covers many forms of digital communications : e-mail, text messaging and picture/video messaging, digital voice communications, blogs and wikis, online social network, chat rooms and web conferences and content sharing.

With the internet cell phone network and other wireless network increasing in size and speed, digital communications have become more and more prevalent. The most common devices used to communicate digitally are desktop computers, mobile computers, smart phones and other mobile devices.

Seccesful use of digital communications involves selecting both the proper communications device and the proper mode of communication for a given situation. For example, under what circumstances might sending a text message from a smart phone be more appropriate than sending an e-mail from a desktop computer ? the answer to this question also may depend on whether the situation involves personal or business communications. Each computer or mobile device and communications method has advantages and disadvantages that you should consider.

The following pages describe how people use different types of digital communications in their personal and business lives to enhance collaborations in their personal and business lives to enhance collaboration and increase productiveity. The final section og the feature includes an example an example of how you might use digital communications.

Internet Filters - Filters are programs that remove or block certain items from being displayed. Four widely used internet filters are web filters, anti spam, programs, phishing filters and pop up blockers.

Web Filters, web filtering software is a program that restricts access to certain material on the web. Some restrict access to specific web sites, other filter site that use certain wordd or phrases. Many businesses use web filtering software to limit employee's web access. Some schools, linraries and parents use this software to restricts access to minors. Windows 7 contains parental controls, which allow parents to record and control the types of content their childern can access on the internet.

Anti spam programs spam is an unsolicited e-mail message or newsgroup posting sent yo many recipients or newsgroup at once. The content of spam ranges from selling a product or service, to promoting a business opportunity, to advertising offensive material. An anti spam program is a filtering program that attempts to remove spam before it reaches your inbox. If your e-mail program does not filter spam, many anti spam programs are available at no cost on the web. Internet access providers often filter spam as a service for their subscribers.

Phising filters phising is a scam in which a perpetrator attempts to obtain your personal and financial information. A phishing filter is a program that warns or blocks you from potentially fraudulent or suspicious web sites. Some web browsers or suspicious web sites. Some web browsers include phishing filters.

Pop up blockers a pop uo ad is an internet advertisment that suddenly appeasrs in a new window in the foregrouns of a web page displayed in your browser. A pop up blocker is a filtering program that stops pop up ads from displaying on web pages. Many web browsers include a pop up blocker. You also can download pop up blockers from the web at no cost.

File compression a file compression utility shrinks the sized of a file. A compressed file takes up less storage space than the original file. Compressing files frees up room on the storage media and improves system performance. Attaching a compreesed file to an e-mail message, for example, reduces the time needed for file transmission. Uploading and downloading compressed files to and from the internet reduces the file transmission time.

Two types of commperssion are lossy and lossless. With lossy compression, because the quality of a file decreases slightly each time the file is compressed, you will be unable to restore the file to its exact orginal state. With audio and video files, small degradations in quality usually are not recognizable : thus, lossy compression often in used in these types of files. With lossless compression, by contrast, a comprossed file can be returned to its exact orginal state. Text files typically use lossless compression.

Comprossed files, some times called zipped files, usually have a .zip extension. When you receive or download a compreesed file, you must uncompress it. To uncompress, or unzip, a file, you restore it to its orginal form. Some operating systems such as windows include file compression and uncompression capabilities, Two popular stand alone file compression utilities are PKZIP and WINZip.