Bitmap - A representation, consisting of rows and columns of dots, of a graphics image in computer memory. For simple monochrome images, one bit is sufficient to represent each dot, but for colors and shades of gray, each dot requires more than one bit of data.
M stands for mega.
G stands for giga. Bookmark - a way of storing your favorite sites on the Internet. Browsers like Netscape or Internet Explorer let you to categorize your bookmarks into folders. Browser - A software program that allows users to access the Internet. Non-graphical a user interface for computers which allows you to read plain text, not pictures, sound, or video, on the Internet.