Working with multimedia

 WORKING WITH MULTIMEDIA

Multimedia is the combination of audio and video, with the term media referring to either audio or video. As an operating system, Windows 7 has to be able to handle audio and video files and accept their input from a number of different devices.

Windows Media Player provides an intuitive, easy-to-use interface to play digital media files, organize your digital media collection, burn CDs of your favourite music, rip music from CDs, sync digital media files to a portable device, and shop for digital media content from online stores.

Windows Media Player allows you to toggle between two modes: the Player Library, which gives you comprehensive control over the Player's many features; and Now Playing mode, which gives you a simplified view of your media that's ideal for playback.

To start Windows Media Player, click Start button → All Programs Windows Media Player.

From the Player Library, you can go to Now Playing mode by clicking the Switch to Now Playing button (s) in the lower-right corner of the Player. 

To return to the Player Library, click the Switch to Library button ()in the upper-right corner of the Player.

 MAINTAINING THE COMPUTER

Microsoft has created a pair of built-in automated troubleshooting packs to optimize and maintain Windows 7 performance. Windows 7 handles lots and lots of files. So, you need to organize files in logical ways and perform maintenance activities time to time.

Windows 7 provides three tools to help manage the files and folders stored on hard disks.

Disk Cleanup

Disk Cleanup helps you get rid of old files on your hard disk. Windows looks through your hard disk for types of files that can be deleted and lists them. You can then select the types of files you want to delete.

1. Click Start → Computer.

2. Right-click on the disk drive you want to work on and click Properties. This will display the Disk Properties window on your screen.

3. Click Disk Cleanup button. Windows 7 will calculate how much space you could save.

4 Select the types of files to delete, and click OK.

5. You are asked if you want to permanently delete these files. Click Delete Files to permanently delete them.

6. When you are ready, close the Properties dialog box.

 Checking the Disk for Errors

Error Checking tries to determine if bad areas exist without losing information. If it finds a bad area, that area is flagged so that the system will not use it. Error Checking automatically fixes file system errors and attempts recovery of bad sectors.

To check a disk for errors, follow the following steps:

1. Click Start, click Computer

2. Right-click a disk drive you want to work on, and click Properties.

3. Click the Tools tab. The Tools tab in the Disk Properties dialog box is shown below:

4. Click the Check Now... button in the Tools tab.

5. Select whether you want to automatically fix errors and/or attempt recovery of bad sectors.

6. Click Start. You may be told to restart Windows to use Error Checking.

7. If so, close any open applications, click Schedule Disk Check to do a disk check the next time you start your computer, and then restart your computer.

Error Checking will automatically begin when Windows restarts. You will be shown the status of the Error Checking operation and told of any problems that could not be fixed. When Error Checking is complete, your computer will finish restarting.

Defragmenting a Disk

When files are stored on a hard disk, they are broken into pieces (or fragments) and individually written to the disk. Files on your hard drive can sometimes become spread out, or fragmented, across different sectors of the drive. Fragmentation makes your hard disk do extra work that can slow down your computer.

Defragmenting the hard drive aligns the pieces of those files in one sector, which increases the efficiency of the operating system to open the files. Disk Defragmenter rearranges fragmented data so your disks and drives can work more efficiently. Disk Defragmenter runs on its own schedule, but you can also analyze and defragment your disks and drives manually.

To defragment your hard disk:

1. Open the Tools tab in the Disk Properties window (as we did in the previous process).

2. In the Defragmentation section, click the Defragment now... button to open the Disk Defragmenter window,

3. Select a drive and click Analyze Disk to see if the disk needs defragmenting.

You should analyze a drive before defragmenting it to get an estimate of how long the defragmentation process will take.

4. To defragment the selected drive, click the Defragment disk button.

The process can take from several minutes to a couple of hours. This depends upon the size of the disk and the amount of fragmentation. Some fragments may remain, which is fine.

5. When you are ready, click Close to close the Disk Defragmenter window.

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