Diphtheria is a highly contagious and potentially life-threatening bacterial disease caused by Corynebacterium diphtheriae. There are two types of diphtheria: respiratory and cutaneous. Respiratory diphtheria involves the nose, throat and tonsils, and cutaneous diphtheria involves the skin.
cell address. (computer science). A combination of a letter and a number that specifies the column and row in which a cell is located on a spreadsheet. 1  Facebook. 2  Twitter.
IP Addresses Â¶. An IP address is a number given to a computer (a server or a personal computer) by the ISP. The most commonly used IP address is a 32-bit (4 byte) address. It looks like this in the decimal system: 172.16.0.1.