What is a computer?
A computer is a machine that performs processes,
calculations and operations based on instructions provided by software or
hardware program.
Types of computer:
There are 4 types of computer.
·
Supercomputer
It is the computer having high-level performance. it plays
an important role in computational science whose performance is commonly
measured in floating-point operations per second(FLOPS).
·
Minicomputer
Minicomputer has medium power but more than microcomputer,
less than mainframes. it is a multiprocessing system cable support users of 4
to 200 concurrently. Used in operating business and scientific applications.
·
Microcomputer
The microcomputer is a small, relatively cheap computer. its
central processing unit(CPU) is a microprocessor. Its speed can be 70 to 100 mins
or more. they get fame in the 1970s.
·
Mainframe computer
A mainframe computer is also called big iron. It is mainly used in government institutions and
large companies to perform tasks like financial transaction processing,
enterprise resource planning, census.
Uses of computer:
As we know that the usage of computer is wide.its usage is
spreading day by day in this era and we can say that we are incomplete without
it .so, here are some major uses of computer listed as below:
Computer is used for….
1. Research
2. Patient
monitoring
3. Medical
Imaging and equipment
4. Inventory
5. Communication
and telemedicine
Hardware and software of the
computer:
Hardware:
Following are the hardware of the computer…
The central processing unit(CPU)
Monitor
Keyboard
Mouse
Hard disc drive
Motherboard
Video card
Software:
programs
languages
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