Abstract: A computer controlled dispensing system including a first unit having a plurality of compartments for containing articles to be dispensed. A second unit includes larger compartments for containing articles of a size larger than the dimensions of the compartments in the first unit. Each compartment of the second unit including a locking mechanism. Some of the compartments of the first unit being programmed to receive and dispense means to operate the locking mechanisms to gain access to articles stored in the compartments of the second unit. A key pad associated with the first unit. A computer. Means are provided for inputting codes to the computer via the key pad to access the contents of a selected compartment of the first unit to dispense one of the means to operate a selected one of the locking mechanisms.