TAILIEUCHUNG - HandBooks Professional Java-C-Scrip-SQL part 208

Tham khảo tài liệu 'handbooks professional java-c-scrip-sql part 208', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Glossary A ASIC Application-Specific Integrated Circuit. A piece of custom-designed hardware in a chip. address bus A set of electrical lines connected to the processor and all of the peripherals with which it communicates. The address bus is used by the processor to select a specific memory location or register within a particular peripheral. If the address bus contains n electrical lines the processor can uniquely address up to 2n such locations. application software Software modules specific to a particular embedded project. The application software is unlikely to be reusable across embedded platforms simply because each embedded system has a different application. assembler A software development tool that translates human-readable assembly language programs into machine-language instructions that the processor can understand and execute. assembly language A human-readable form of a processor s instruction set. Most processorspecific functions must be written in assembly language. B binary semaphore A type of semaphore that has only two states. Also called a mutex. board support package Part of a software package that is processor- or platform-dependent. Typically sample source code for the board support package is provided by the package developer. The sample code must be modified as necessary compiled and linked with the rest of the software package. breakpoint A location in a program at which execution is to be stopped and control of the processor switched to the debugger. Mechanisms for creating and removing breakpoints are provided by most debugging tools. C CISC Complex Instruction Set Computer. Describes the architecture of a processor family. CISC processors generally feature variable-length instructions and multiple addressing formats and contain only a small number of generalpurpose registers. Intel s 80x86 family is the quintessential example of CISC. Contrast with RISC. CPU Central Processing Unit. The part of a processor that executes instructions.

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