Class 2 Thu, 2017-08-31 Computing


Electronic computing, history

Von Neumann I
Von Neumann II
performance: FP speed (Flops, kflops, Mflops, Gflops, Tflops, Eflops)
performance versus time graph, Moore's law
Top 500
CRAY Trillian at UNH
Trillian on twitter
ENIAC, vacuum tubes
IBM 701+ 7000+
CDC 7600
CRAY 1 vector parallelism
CRAY XMP multiple processors (cores)
CRAY 3 (Gallium Arsenide)
Digital Eqipment PDP 8
PDP-11 16-bit machine, UNIX, C
VAX VMS (Virtual Memory System)
SUN workstations (DEC, SiliconGraphics, HP, others) RISC architecture

Personal computing

Atari 64 kB memory
Macintosh
IBM PC and clones, open standards, floppy, killer app: visicalc