There are two basic parts that make up a computer-
1- Hardware
2-Software
1-Hardware-
Hardware is basically anything that we can touch is known as hardware.
Ex- CPU (central processing unit…Pentium chip), Monitor ,Keyboard & Mouse, Disk Drive, Zip Drive, CD-ROM, DVD, Hard Drive, Memory (RAM), Speakers, Printer etc.
There are Three main category of hardware are-
Input Device
Output Device
Storage Device
COMPUTER HARDWARE
SOFTWARE-
Software is the programs and applications that tell the computer what to do and how to look.
Computer programmers write the codes/instructions that make-up software applications/programs.
TYPES OF SOFTWARE
Mainly there are three types of software:-
Application Software
System Software
Utility Software
System Software-
Those Software which are used to provide interface between user and hardware is known as system software.
Ex- Operating Software.
system software
Application Software-
Those Software are used to perform a particular task is known as application software.
Those Software which are used as a helping tool for our convenience is known as utility software.
Ex- Antivirus
Utility Software
Other Types of Software
1- Freeware Software-
Freeware software is available without any cost. Any user can download it from the internet and use it without paying any fee.
Ex- Adobe Reader
2- Shareware Software-
It is a software that is freely distributed to users on trial basis. It usually comes with a time limit and when the time limit expires, the user is asked to pay for the continued service.
Ex- Winzip, photoshop
3- Open Source Software-
These kinds of software are available to users with the source code which means that a user can freely distribute and modify the software.
Ex- Linux OS
4- Proprietary Software-
Proprietary software is any software that is copyrighted and bears limits against use, distribution and modification that are imposed by its publisher and developer.
