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  2. Comparison of free off-line satellite navigation software

    en.wikipedia.org/wiki/Comparison_of_free_off...

    This article contains a list with gratis (but not necessarily open source) satellite navigation (or "GPS") software for a range of devices (PC, laptop, tablet PC, mobile phone, handheld PC (Pocket PC, Palm)).

  3. Palm Desktop - Wikipedia

    en.wikipedia.org/wiki/Palm_Desktop

    64-bit editions of Windows - 64-bit Windows devices were — for a long time — incompatible with USB cable sync, and must use other options such as serial port, infrared, WiFi or Bluetooth to HotSync. (The desktop software itself — either older version 4.1.4E or newest version 6.2.2 — works fine on Windows 7, 8, or 10 as desktop software ...

  4. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    Historically, a crude form of PWM has been used to play back PCM digital sound on the PC speaker, which is driven by only two voltage levels, typically 0 V and 5 V. By carefully timing the duration of the pulses, and by relying on the speaker's physical filtering properties (limited frequency response, self-inductance, etc.) it was possible to ...

  5. SCADA - Wikipedia

    en.wikipedia.org/wiki/SCADA

    In smaller SCADA systems, the supervisory computer may be composed of a single PC, in which case the HMI is a part of this computer. In larger SCADA systems, the master station may include several HMIs hosted on client computers, multiple servers for data acquisition, distributed software applications, and disaster recovery sites.

  6. Poly(methyl methacrylate) - Wikipedia

    en.wikipedia.org/wiki/Poly(methyl_methacrylate)

    PMMA is an economical alternative to polycarbonate (PC) when tensile strength, flexural strength, transparency, polishability, and UV tolerance are more important than impact strength, chemical resistance, and heat resistance.

  7. Scratchpad memory - Wikipedia

    en.wikipedia.org/wiki/Scratchpad_memory

    Scratchpad memory (SPM), also known as scratchpad, scratchpad RAM or local store in computer terminology, is an internal memory, usually high-speed, used for temporary storage of calculations, data, and other work in progress.

  8. Alpha-D-phosphohexomutase superfamily - Wikipedia

    en.wikipedia.org/wiki/Alpha-D-phosphohexomutase...

    The alpha-D-phosphohexomutases are a large superfamily of enzymes, with members in all three domains of life.Enzymes from this superfamily are ubiquitous in organisms from E. coli to humans, and catalyze a phosphoryl transfer reaction on a phosphosugar substrate.