Altos Computer Systems Serie 5 The Serie 5 was a multi-user system. It could support from 1 to 3 users. It had a 5 MB Winchester hard-drive and could be upgraded with a 10 MB hard-drive (for the Serie 5D only). It could use CP/M, MP/M II or Oasis as its operating system. The serie 5 was quite similar to the Altos ACS-8000 which was a bit more powerful.
A computer is a versatile machine. It can do nearly anything—but does nothing until instructed by software. Creating the programs our civilization now depends on involves science, engineering, and craft. Software is a kind of literature, written for both computers and people to read. But it’s also a business: making, selling, and supporting it is a multi-billion dollar industry.
Our world is a symphony of infinite variations. Long before digital computers existed, engineers built models to simulate those real world nuances. Analog computers continued this tradition, using mechanical motion or the flow of electricity to model problems and generate answers quickly. They remained the preferred tool until digital computers, based on electronic switches, became fast enough for software to do the same job.
The precursor to the minicomputer, DEC´s PDP-1 sold for $120,000. One of 50 built, the average PDP-1 included with a cathode ray tube graphic display, needed no air conditioning and required only one operator. It´s large scope intrigued early hackers at MIT, who wrote the first computerized video game, SpaceWar!, for it. The SpaceWar! creators then used the game as a standard demonstration on all 50 computers. 1960