Examples are provided for converting an analog signal to a digital output signal using serial-ripple analog-to-digital conversion. A test designer specifies, in a process control file, a required operating system for appropriate command blocks. Another computer that is also connected to the Internet hosts the hardware components that the web-based browser application wishes to access. The method further comprises selectively breaking the at least one nanotube using an electrical current, removing the metal contacts, cleaning a remaining nanotube, and depositing a first metal contact in contact with a first end of the nanotube and a second metal contact in contact with a second end of the nanotube. The channel selection task controls the API to output an audiovisual microcode to the transport stream processor.