The genesis of the computer revolution was in a machine. The genesis of our programming languages thus tends to look like that machine.But computers are not so much machines as they are mind amplification tools (“bicycles for the mind,” as Steve Jobs is fond of saying) and a different kind of expressive medium. As a result, the tools are beginning to look less like machines and more like parts of our minds, and also like other expressive medium....

Computer viruses can be classified into several different types. The first and most common type is the virus which infects any application program. On IBM PC’s and clones running under PC-DOS or MS-DOS, most programs and data which do not belong to the operating system itself are stored as files. Each file has a file name eight characters long, and an extent which is three characters long. A typical file might be called “TRUE.TXT”, where “TRUE” is....

A Nokia mobile phone works with either the GSM network or the CDMA network. You need to choose the right model to match your wireless operator.Not all Nokia smartphones work with all wireless operators everywhere in the world. Wireless operators build their networks using different technologies, and a given phone typically works with only one of the network technologies.If you got your Nokia smartphone directly from the wireless....