A bitmap image uses solid color pixels, which can be identified and recolored easily. A lossy compression image consists of shaded colors which cannot be easily exchanged.
I dont know thats why I am asking you
bitmap
Bitmap images, also called raster images -- are a collection of colored squares/dots on a grid each chunk of this grid and each one is called a pixel -- and the amount of pixels is the resolution of the image. Each pixel may have one of 1,658,135 different color values (255 channels red, 255 green, 255 blue). In the bitmap file format (.bmp) each pixel has its information saved individually with no chunking, shortcuts or other methods applied to it to reduce its filesize. Modern raster formats (e.g. JPG, GIF, PNG) are essentially bitmap images that have compression applied to it in order to reduce filesize and sometimes implement extra features like transparency (also known as alpha). The concept of image compression is a beyond the scope of this question.
Video is represented as a sequence of bitmap images often with a synchronized soundtrack. Because of the enormous size of video files they are almost always compressed using lossy techniques.
For Vector it's .png .tif/.tiff .gif For Bitmap it's .bmp .jpg/.jpeg .gif
list and explain some important characteristics of a computer?
You can not enlarge bitmap images without losing quality and bitmap images are larger in size then vector.
You can make a bitmap in paint. When you save your image just choose .bmp as the file extension.
BITMAP or GIF images
Yes, it can be used to edit many types of image files, including bitmap images.
The image on the sensor isn't any image format, when this analogue data is put through the A/D converter and saved they are saved in a bitmap container (Jpeg and Raw (NEF, CR2, PEF Etc.) are all bitmap formats) all images are either a bitmap or a vector graphic, out of the camera they are bitmap, but the data in the file can be opened as a Vector Graphic in some programs.
BITMAP or GIF images
pixels
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Yes, bitmap means pixel based.
Photoshop is a raster image editor. Raster and Bitmap are two words for the same thing, so Photoshop is raster or Bitmap image editor, somewhere you will see raster, somewhere bitmap as explanation but it is basically same thing. Photoshop is primarily designed to work with bitmap images which are raster images in other words.
Vector and bitmap are both image files. Bitmapped images are images that are stored on a pixel by pixel basis and because of this, when you enlarge the image it can appear blocky. A vector image is constructed from dots, lines, shapes, etc. Each part has a particular position within the image with it's own dimensions. Because vector images are constructed using images, they can be enlarged without loss of image quality. Vector images do not get the blocky appearance of an enlarged bitmap image.
There are two fundamentally different types of graphics image - Vector images and Bitmap images. Vector images are made up of lines, polygons etc. Bitmap images are made up of pixels of color. The type of package used depends on the type of image you're trying to work with. Whilst there is some overlap between the two, ie you can create some vector artwork in photoshop and you can do some minimal bitmap work in illustrator, in essence illustrator is a vector graphics package where you draw your image with lines etc. Photoshop is a fully featured bitmap editing package