Computer hardware is related to the use of computers and is in a physical form which one can easily see and touch. Some of the examples of computer hardware are monitors, mouse and keyboards. The software’s are those which are not in physical form and we cannot even touch them. Examples of software are the Windows operating system. Computer hardware can be found in computer system which includes the Central Processing Unit, RAM, hard disk, keyboard, expansion cards and mouse. There are certain removable devices like the CD-ROM which also form a part of the hardware. The USB flash drives are also considered as hardware.
With the advancement in the field of technology and with the increase in the number of population using computers today, Internet users have also increased rapidly. Internet has become a major source of information today. There are many search engines on the Internet today like Google, Wikipedia, Yahoo! and many others which help in looking for information very easily. With just a click of a button one can have galore of information. With the increase in number of Internet users and high speed broadband connections, security has become a very major issue. The privacy of people is in a big danger. Then there are problems like virus attacking your system.
A virus attack is very dangerous as it may corrupt the files stored on your system. Therefore, each system is now provided with an anti-virus which protects the system. There are many kinds of software’s that are available in the market today that can protect your system. One can also download such software’s directly from the Internet. One can easily find the trial versions of a number of such anti-virus software online. Computers have completely transformed the world of humans making life simpler and easier.