Mainframe computers first used star topology
mini and mainframe computers
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Computers, Which are technically superior to mainframe are called super computers.
A Mainframe OR A Super computer
supercomputer and mainframe
mainframe computers networking
notebook computers
Mainframe computers are high-speed, multi-purpose machines that cost millions.
All computers use binary.
The mainframe computer is usually used in a computer center to connect the other computers. The mainframe computer is a high level computer that is designed for demanding and extensive computer tasks.
Early mainframe computers had less capability than the computer used in your car's keyfob to lock/unlock the doors, etc. Mainframe computers of the 1960s had less capability than the most basic handheld electronic calculators sold today. Modern mainframe computers are very powerful and usually have capabilities comparable to several dozen high end gaming desktop computers. The capabilities of any computer varies proportional to the state of the art for the engineering used at the time it was built.