Abstract: A storage device, either a Cartridge (40) or a credit-card-like, capable of protecting the program stored inside it by physical measures and a security-logical-lock. Physical measures are anything, from tide seals to chemical substances, that physically protect the program. The security-logical-lock is a cartridge operation, performed by a processor chip --CPU (43)-- in the cartridge that filters all jump-codes from the program. CPU (43) does this filtering while it is sending the program's code to Computer (10). CPU (43) will perform the program's jump-code by itself instead of Computer (10). Cartridge (40) connects with Computer (10) through a communication device, which comprises of a Device Card (20), a Device Port (30), or a combination of both. Device Card (20) and Device Port (30) are the link between Computer (10) and Cartridge (40) supporting linking services. They can also offer remote execution of programs and special implementations in the Internet, Intranet, and WWW environments.