Type of computer
1.
PC (Personal Computer):-
It is a single user computer system having moderately powerful
microprocessor. PCs are based on the microprocessor technology that enables
manufacturers to put an entire CPU on one chip. At home, the most popular use
for personal computers is playing games and surfing the Internet.
2. Workstation:-
It is also a single user computer system, similar to personal computer however has a more powerful microprocessor. Workstations generally come with a large, high-resolution graphics screen, large amount of RAM, inbuilt network support, and a graphical user interface. Most workstations also have mass storage device such as a disk drive, but a special type of workstation, called diskless workstation, comes without a disk drive.
3. Mini
Computer:-
It
is a multi-user computer system, capable of supporting hundreds of users
simultaneously. A minicomputer is a computer which has
all the features of a large size computer, but its size is smaller than those.
A minicomputer lies between the mainframe and
the microcomputer because its size is smaller than the former
one and larger than the latter one. A minicomputer is also called as a
mid-range computer.
4. Main Frame:-
It
is a multi-user computer system, capable of supporting hundreds of users
simultaneously. Software technology is different from minicomputer. Mainframe
is very large in size and is an expensive computer capable of supporting
hundreds or even thousands of users simultaneously. Mainframe executes many programs
concurrently and supports many simultaneous execution of programs.
5. Supercomputer:-
It is an extremely fast computer,
which can execute hundreds of millions of instructions per second. For example,
weather forecasting, scientific simulations, (animated) graphics, fluid dynamic
calculations, nuclear energy research, electronic design, and analysis of
geological data (e.g. in petrochemical prospecting).
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