Embedded System Terminology - W
| Walking 1s test - A memory test that involves moving a 1 bit through a byte or word to systematically confirm each bit can hold a 1 value. All of the other bits are set to 0 during the test |
| Watchdog timer - A fail-safe mechanism that intervenes if a system stops functioning. Abbreviated WDT |
| Watchpoint - Like a breakpoint, but in the data area of memory rather than the code area. |
| Wattmeter - A measurement device that measures power. |
| Way-Ahead-of-Time (WAT) Compiler - A compiler that translates higher-level code directly into machine code. |
| Well known port numbers - TCP and UDP port numbers 0 through 1023, which are reserved for standardized protocols, such as FTP, telnet, HTTP, and others. |
| White-box testing - Testing that occurs with a tester that has visibility into the system’s interworkings, such as having access to source code and schematics information. |
| Windows CE - An embeddable variant of Microsoft's Windows operating systems. Abbreviated WinCE. |
| Wire - A component made up of conductive material that carries signals between components on a board (i.e., bus wires) or between devices (i.e., wired transmission mediums). |
| Write Protect - Any method that keeps data from being over-written. It may be a physical obstacle or a file attribute choice that prevents overwriting. |
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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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