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The Unified S-band (USB) system is a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL). It operated in the S band portion of the microwave spectrum, unifying voice communications, television , telemetry , command , tracking and ranging into a single system to save size and weight ...
The result was an estimated reliability of 99.6% over 250 hours of operation, which was far more than the few hours required for an Apollo mission. With four memory modules, giving a total capacity of 16,384 words, the computer weighed 72.5 lb (32.9 kg), was 29.5 by 12.5 by 10.5 inches (750 mm × 320 mm × 270 mm) in size and consumed 137W.
The Apollo Guidance Computer software influenced the design of Skylab, Space Shuttle and early fly-by-wire fighter aircraft systems. [28] [29] The Apollo Guidance computer has been called "The fourth astronaut" for its role in helping the three astronauts who relied on it: Neil Armstrong, Buzz Aldrin and Michael Collins. [30]
Apollo also invented the revision control system DSEE (Domain Software Engineering Environment) [8] which inspired IBM IBM DevOps Code ClearCase. [9] DSEE was pronounced "dizzy". Apollo machines used a proprietary operating system, Aegis, because of the excessive cost of single-CPU Unix licenses at the time of system definition.
It was designed by Margaret Hamilton based on her experiences writing flight software for the Apollo program. [1] The language is implemented through the 001 Tool Suite software by Hamilton Technologies, Inc. [2] USL evolved from 001AXES which in turn evolved from AXES all of which are based on Hamilton's axioms of control. The 001 Tool Suite ...
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Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
VIA chipsets support CPUs from Intel, AMD (e.g. the Athlon 64) and VIA themselves (e.g. the VIA C3 or C7).They support CPUs as old as the i386 in the early 1990s. In the early 2000s, their chipsets began to offer on-chip graphics support from VIA's joint venture with S3 Graphics beginning in 2001; this support continued into the early 2010s, with the release of the VX11H in August 2012.