Military and University facilities. Who else could afford a couple million dollars and the space for an 80 foot long, 10 foot deep, 8 foot tall machine? Most of the University installations signed a Military contract for the funding that gave the Military priority usage rights.
digital computers were first used in 1942 analog computers were first used in about 100BC
First generation computers.
Mainframe computers first used star topology
1940s
ZIP!
Electro-Mechanical Computers were used before first generation of computers.
NASA
Basic math computations.
The first minicomputers were second generation computers, but the most well known minicomputers were third generation computers.
first generation computers
Tape
FIRST GENERATION