User guide

Viglen LX275 Chassis User Guide
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Mb Abbreviation for Mega Bits, i.e. 1024K bits.
Memory An electronic component which remembers data stored in it.
MHz Mega Hertz. 1,000,000 Hertz.
ns Nano Second 0.000 000 001 second.
Pixel The smallest displayable unit on a monitor or picture tube.
POST Power-On Self Test.
RAM Random Access Memory. Fast Read/Write memory.
RFI Radio Frequency Interface.
ROM Read Only Memory.
RS-232C A standard for asynchronous serial communication.
SCSI Small Computer Systems Interface. A multimedia bus and
interface specification for fast Hard Disks, Tape Backup
Units, CD ROMs and other Devices.
SIMM Single In-Line Memory Module.
Software Another name for a computer program.
SRAM Static RAM. Synchronous Transmission of data between
devices which are maintaining the same frequency
relationship. Contrasts with asynchronous.
TPI Tracks Per Inch.
TTL Transistor Transistor Logic.
TUV Technischer Uberwachungs-Verein. Organisation which
tests and certifies electronic equipment.
UL Underwriter Laboratories. American Organisation specifying
standards for safety of electronic equipment.
USB Universal Serial Bus
V Volt. Unit of measurement of potential difference.