This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Machine (and before that Acorn RISC Machine), but the acronym expansion has now been formally abandoned; a 32-bit microprocessor based on RISC design principles. ARM Limited The company spun out from Acorn in 1990 to develop the ARM technology. Based in Cambridge, England, but with design and sales activities in several world regions. ASCII American Standard for Computer Information Interchange; a standard way to represent printable and print control characters in 7-bit binary numbers (often extended to 8-bit fields in today's computers). ASIC Application-Specific Integrated Circuit; a VLSI device designed for a particular application, usually for a particular customer. ASSP Application-Specific Standard Pan; a VLSI device designed for a particular application that is sold as a standard component by the semiconductor manufacturer. Often the chip will have been developed as an ASIC, but then in response to market demand the manufacturer will have come to an agreement with the original customer to make the chip available to other customers. BBC The British Broadcasting Corporation; the UK public service radio and television broadcasting company. The BBC is funded mainly through licence fees which are a compulsory feature of television ownership in the UK. Their charter includes a duty to educate the public, and in 1982 they produced a popular series called 'The Computer Programme' based around the BBC micro which was commissioned for the series. BCD Binary Coded Decimal; a way to represent a number by encoding each decimal digit as its binary equivalent. BCS The British Computer Society; the UK association for computing professionals. C The C programming language, widely used for general-purpose and embedded system development. CAM Content Addressable Memory; this is memory which contains a number of different data items and is accessed by presenting a data value which is compared with all the stored items to see if there is a match. If there is a match, the address of the matched location is output; 405 406 Glossary otherwise the CAM signals a 'miss'. It is also described as associative memory, and is a...
View Full Document
- Spring '09