Dr. John V. Atanasoff and his assistant Clifford Berry built the first electronic digital computer. It was called the Atanasoff-Berry-Computer (ABC)
Computers, Which are technically superior to mainframe are called super computers.
It had no single inventor, it was independently invented in many countries by different groups of people.
short history of mainframe
what is memorey capacity of the mainframe computers
Mainframe computers first used star topology
Mainframe computers are high-speed, multi-purpose machines that cost millions.
IBM
IBM system 3 and AS-400 are some examples of minicomputers.
mini and mainframe computers
Thomas Flowers of the british post office in 1942. It was called Colossus and was used to crack the German high command's cyphers.
no
For a mainframe with terminals, data processing takes place on the mainframe computer only as the terminals are 'dumb'. Conversely, in a network of computers, each computer has its own processor.