The Hindu Business Line : Display setting, back-up devices

I have loaded my system, which has 256 MB memory/40 GB hard disk, with Windows XP 2. How do I go about the display setting, with regard to colour and screen area?

I would also like to know about the different kinds of tape back-up devices.

Sunitha Krishnan

The Display setting consists of two things. One is the "Screen resolution" and the other is the "Color Quality". The Screen resolution is the number of pixels, such as 800 x 600, 1024 x 768, 1152 x 864, etc.

The selection of the display resolution depends on the Display card and the driver installed. If the resolution is increased, the display becomes sharper and the icons smaller.

A higher resolution display will give a bigger desktop area. The resolution one needs to opt for depends on the application or the usage of the computer. If the application needs a higher resolution then you may get a message saying just that.

The Color quality is the selection of a number of colours. For better quality, it is preferable to choose high value.

A large number of colours requires more memory. Generally, 1024 X 768 resolution with 32-bit color will give a good display

In windows XP, there is a setting for the application by which the required resolution and the colour setting can be selected for that application alone. Whenever the application is opened, the display settings get applied and on closing, the display setting reverts to the normal setting. Selecting the compatibility tab in the applications Properties gives this option.

Regarding the second query, there are a lot of backup solutions available in the market, such as Backup Exec, NetBackup, Tivoli.

These are most suitable for high-end users for whom data loss is costlier. You can also use Windows inbuilt NTBackup. It has the basic features to select files, folder, system files and the incremental or full.

But for SOHO (small office home office) users, the backup can be managed by taking backups in the tapes manually.

If the backup is to be managed manually, please take sufficient care to formulate the regular Backup Plan.

The Backup Plan requires deciding the files and folders, size of the data to be backed up, the periodicity of the backup, such as daily, weekly or monthly, the level of backup, incremental, differential or full backup.

For selecting the type of tape drives an overview of the tapes is needed.

There are a variety of tapes available, such as DAT, DDS, DLT and LTO tapes.

In each type, there are sub varieties such as DDS3, DDS4, DLT, SDLT and LTO1, LTO2, LTO3. The compressed storage capacity for DAT/DDS type ranges from 24GB-72GB, for LTO 200GB-800GB and for DLT 20GB-1600GB.

Nowadays LTO is the most preferred tape because of the higher life of the media and guarantee of the data.

Solution by P. Natarajan

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