1.PHOTOSHOP DIFFERENCE IN SIZE

Photoshop CS5 New Dialog Box

Explanation :

vName                             : Write the name of the image file.

vPresent                          : To specify the size of image you may either use
                                   preset or width height option.

vWidth                             : set for width worksheets.

vHeight                            : set for height worksheets.

vResolution                     : refers the number of pixels per inch.
                                    Pixel is a single point in a graphic image and a pixel can
                                    have only one colors.

vColor mode                   : set type color.
                                    RGB (Red, Green, Blue) use for desktop.
                                    CMYK ( Cyan, Magenta, Yellow, key(black)) use print images.

vBackground Contents : set color Background.

File Formats

vPSD is the default file format of Photoshop..

vGIF Due to it’s low file size, gif is a common web file format and suitable for animation.

vJPG/JPEG The most used photo and web images format. GIF can include 256 colors, JPG more than 16,7 million colors.

vPDF Adobe’s Portable Document format.

vTIFF accepted file formats for publishing.

Practice

Open one image file and save as PSD, BMP, EPS, GIF, PDF and TIFF

Hasil pengamatan menurut table di atas menunjukkan bahwa dari ke 7 format tersebut yang paling besar adalah format EPS dan yang paling kecil adalah format JPG