Embedded System Terminology - O
| Object Code - A set of processor-readable opcodes and data. The output of compilers and assemblers and the input and output of a linker are files containing object code. |
| Object File - A file containing object code in particular, the output of a compiler or assembler. |
| On-Chip Debugging (OCD) - Refers to debugging schemes in which debugging capabilities are built into the board and master processor. |
| One Time Programmable (OTP) - A type of ROM that can only be programmed (permanently) one time outside the manufacturing factory, using a ROM burner. OTPs are based upon bipolar transistors, in which the ROM burner burned out fuses of cells to program them to “1” using high voltage/current pulses. |
| Opcode - A binary value that is recognized by a processor as one of the instructions in its instruction set. |
| Open Source - A vague term describing any software that comes with source code, no matter how its use is or is not restricted. |
| Operating System (OS) - A set of software libraries that serve two main purposes in an embedded system: providing an abstraction layer for software on top of the OS to be less dependent on hardware (making the development of middleware and applications that sit on top of the OS easier), and managing the various system hardware and software resources to ensure the entire system operates efficiently and reliably. |
| Oscilloscope - A hardware debugging tool that allows you to view the voltage on one or more electrical signals. |
| OR Gate - A gate whose output is 1 if either of the inputs are 1. |
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Related topics:
Embedded System Architecture | Embedded Hardware Architecture | Embedded Software Architecture | Embedded Software Definition | Embedded System Acronyms | Embedded System Symbols
List of topics: Embedded System
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