File formats:-----1

When ever we want to open a file we just double click on the file name. Different files open in different applications. The application to be opened when we click on the file is determined by three or two letter suffix in the file name.

We will see about different types of file format in this series.

First about image file format:

First know one thing clear. Images are also files such as word file. It is just a combination of 1 and zeros.

There are 44 different graphic file formats available .

There two different type of images

1.      Raster

2.      Vector.

Raster:

R aster image is a combination of dot of colors called as pixels. In block and white pictures there is only one bit per pixel. The upper color level of gif image is 256 colors.

 Vector image.

Vector images are more than a simple grid of colored dots. They're actual vectors of data stored in mathematical formats rather than bits of colored dots.

We will now see about important image file formats:

.jpg

The jpeg format is one of the common image formats and is frequently used to display images and graphics on the internet.it uses advanced compression techniques to keep the file sizes to minimum.

.bmp

It is the simplest of the graphic files.you can  use any application to open this file  including windows paint.

.psd

These graphics file have been created by adobe photo shop..

.gif

This is the another popular format  for displaying on the internet.

.tif

Files with the .tif suffix are one of the most widely used formats storing images on the home computer.these files  can be opened in  many appliocations

.scr

These are windows screen saver files.