The disadvantage of mainframes?
1. Cost of hardware
2. Special operating systems/software (more cost there, too).
You typically won't see a mainframe used unless some organization with really deep pockets has a mission-critical function that requires massive amounts of information to be processed, in a very reliable manner.
The principle disadvantages are the high cost of purchase, maintenance and support.
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because its main
The main limitation the first home computers had was the same as the first mainframe computers had: not enough main memory (RAM) and not enough external storage.
Computers, Which are technically superior to mainframe are called super computers.
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
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.
yes