Today, 36 years ago, on November 17, 1989 (October 20, 1989 Calendar), China's first small giant electronic computer appeared. On November 17, 1989, the first small giant electronic computer ¡ª the NS1000 small giant, developed successfully by the Beijing Signal Group and Beijing University Computer Department. People are used to divide the computer into five models, i.e. according to the speed and scale of computing, divided into giant, large, medium, small and micro. This new giant electronic computer, is a new member of the computer family. It has giant machine operating speed and partial function, but only the volume and price of small machines, approximately 1% of giant machines and 1/10 of giant machines. This type of small giant is a new type of machine that has emerged internationally with the rapid development of super-high-speed large-scale integration