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It has a clam-shell design, the keyboard sliding forward to counterbalance the touchscreen. At the heart is a 32-bit RISC-based ARM710T processor running at 18MHz (Series 5) or 36MHz (5mx), with 4, 8 or 16MB of RAM. It's powered by two AA batteries, typically giving tens of hours of use. The display is a touch-sensitive, backlit half- VGA (640x240- pixel) LCD with 16 greyscales. The keyboard is one of the best for its size, with large-travel keys and touch-type capability. Both RS-232 and IrDA (infra-red) serial connections are provided, along with a speaker and microphone, giving dictation ability as well as playing music. External storage is on CompactFlash.
The EPOCEPOC is a range of Operating Systems developed by Psion for portable devices, primarily PDAs. Releases 1 and 2 (unofficially known as EPOC16) refer to operating systems used in Psion's "SIBO" devices, which have in common an 8086-family processor and a 16 operating system is built-in, along with applications for word processing, spreadsheets, databases, email, contact and diary management, and software development using Psion's own OPLOPL might be an acronym or abbreviation for: # Open Publication License # Open programming language # FM Operator Type-L, used in the Yamaha chips YM3526, YM3812 and YMF262. language. A version of the OperaOpera is a cross-platform internet software suite consisting of a web browser, e-mail/ news client, address book, newsfeed reader, IRC chat client, and download manager. It is actively developed by Opera Software of Oslo, Norway. Although Opera is closed web browser is bundled with the 5mx, as is a Java Virtual Machine, and synchronisation software for WindowsImage use policy. Microsoft Windows is a range of commercial operating environments for personal computers. The range was first introduced by Microsoft in 1985 and eventually has come to dominate the world personal computer market. All recent versions of. A wealth of third-party software is also available, from games and utilities to navigation, reference, communications, and productivity applications, and standard programming tools like PerlImage:Programming-republic-of-perl. gif|right|framed|Programming Republic of logo]] Perl also Practical Extraction and Report Language (a backronym, see below), is a programming language released by Larry Wall on December 18, 1987 that borrows features fr and PythonPython is an interpreted, interactive programming language created by Guido van Rossum in 1990, originally as a scripting language for Amoeba OS capable of making system calls. Python is often compared to Tcl, Perl, Scheme, Java and Ruby. Python is develo.
It can also run Linux to some extent: see the PsiLinux site.
Psion's experience designing for this form factor and attention to detail has made these machines a favourite with power users, many of whom have stuck with them, despite their age and the appearance of Symbian OS-powered mobile phones and other PDAs with more impressive-sounding specifications. There have been intermittent rumours of Psion's return to the consumer market, but the Series 5mx would seem to be their swansong.
Psion's own site promoting the 5mx.
The Tucows EPOC software index.
3-Lib, the Psion freeware and shareware library.
POS Ltd are the main repair and service centre for Psion computers in the UK.
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