Zusammenfassung der Ressource
Types Of Computers
- Supercomputers
- -the fastest and most
expensive computers in the
world.
- -cost over a hundred
million pounds to build
and very few
organisations can
afford to purchase one.
- used by governments
such as the military,
security services and the
weather office etc
- they generate so much heat that
they need to be housed in
specifically designed rooms with
environmental controls and air
conditioning systems.
- Mainframe Computers
- -are large, powerful computers
that can carry out many different
tasks for many different people at
the same time.
- slower than a supercomputer but
they are far less expensive. They
may cost around 4 million pounds
to purchase.
- can execute billions of
instructions per second and
can process large amounts
of data simultaneously.
- usually connected to a large
number of peripherals e.g.
printers, terminals, disk drives
etc.
- Used in banks , airlines ,
police , insurances
companies etc
- Personal Computers
- Modern PCs are very powerful
and are now relatively
inexpensive. You will find very
similar machines both in the
home and office environments.
- PCs can carry out millions of
calculations per second and can store
large amounts of data - typically
anything from 120GB to 1TB.
- Personal computers tend to be set
up and left in one place, they are
not intended to be mobile or carried
around with you.
- Useful in editing videos ,
creating musics/videos ,
Accessing the Internet for
research , designing etc