A method and system for reducing unauthorized software use include generating a key based on computer-specific information of a computer on which the software is installed and using the key to encrypt an authorization code which enables use of the software on the computer. As an example, the persistent system may serve as at least part of the main memory of the computing system. The second diversity antenna may be positioned substantially near the bottom of the housing or the bottom the printed circuit board. Further, a second amplified analog signal associated with the image is generated by amplifying the analog signal utilizing a second gain.