Original: From the advent of very-large-scale integration (VLSI) computer chip fabrication technology in the 1970s until about 1986, advancements in computer architecture were done by increasing bit-level parallelismDavid E. Culler, Jaswinder Pal Singh, Anoop Gupta.
Simplified: Enhancements in computers designs were done by increasing bit-level parallelismDavid E. Culler, Jaswinder Pal Singh, Anoop Gupta.