Key board

Input device resembling a type writer keyboard used to enter instructions and data .Ther are many variations on the layout andlabelling of keys .Extra numeric keys may be added as may special purpose function keys.
Kilo byte(K or kbyte)unit of memmory equal to 1024 bytes It is sometimes used less precisely to mean 1,000bytes.
Knowledge-based system (KBS)computer program that uses an encoding of human knowledge to help solve problems.It was discovered during research in to artificial inteelegence that adding heursitics (rules of thumb)enabled program to tackle problems that were other wise differnt to solve by the useual techniques of computer sciences.