THE OPERATING SYSTEM USED IN A DEKSTOP /LAPTOP TODAY
- Window
- Linux
- Mac Os
How operating system works??
When
you turn on your computer it's nice to
think that you're in control. There's the trusty computer mouse, which you can move
anywhere on the screen, summoning up your music library or internet browser at the slightest whim.
Although it's easy to feel like a director in front of your desktop or laptop, there's a lot
going on inside, and the real man behind the curtain handling the necessary
tasks is the operating system.
Most
desktop or laptop PCs come pre-loaded with Microsoft Windows. Macintosh
computers come pre-loaded with Mac OS X. Many corporate servers use the Linux
or UNIX operating systems. The operating system (OS) is the first thing loaded
onto the computer -- without the operating system, a computer is useless.
More
recently, operating systems have started to pop up in smaller computers as
well. If you like to tinker with electronic devices, you're probably pleased
that operating systems can now be found on many of the devices we use every
day, from cell phones to wireless access points. The
computers used in these little devices have gotten so powerful that they can
now actually run an operating system and applications. The computer in a
typical modern cell phone is now more powerful than a desktop computer from 20
years ago, so this progression makes sense and is a natural development.
The
purpose of an operating system is to organize and control hardware and software
so that the device it lives in behaves in a flexible but predictable way. In
this article, we'll tell you what a piece of software must do to be called an
operating system, show you how the operating system in your desktop computer works
and give you some examples of how to take control of the other operating
systems around you.
ADVANTAGES AND DISADVANTAGES
An operating system, or OS, is a software program that
enables the computer hardware to communicate and operate with the computer software.
The most well-known operating systems are Windows, Mac OS and Linux, all
of which have different versions. Although Windows is a PC-based OS,
it can be run on a Mac computer with the help of a programme. Here is a brief summary of
pros (advantages)and cons (disadvantages) of each major operating system:
Windows:
- Can be expensive, especially compared to Linux, which is in most cases free.
- Easy to use, especially for new computer users, and plenty of help resources are available online.
- Although Microsoft Windows has made great improvements in reliability with recent versions, it still lags behind its competitors.
- It has a large library of available software, games and utilities, although many are expensive.
- Hardware manufacturers all make drivers and support for Windows OS.
- Openness to virus attacks is a major disadvantage.
Linux:
- It is an open source OS, which in most cases is free.
- Inexperienced computer users may find it more difficult to get to grips with Linux.
- It is very reliable and rarely freezes.
- Fewer computer programs, games and utilities are available for Linux.
- Many programs are free or open source, even very complex ones.
- There are still some manufacturers that do not offer hardware support for Linux OS, although there are fewer every year.
- The open source nature of Linux allows more advanced users to customise the code as they wish.
- Fewer people use Linux, therefore it is more difficult to find someone fully familiar with it, although there are vast resources online.
Mac OS:
- MAC computers are more expensive generally than PCs.
- MAC is a much more secure OS, and is far less open to viruses and malware.
- Stability is a major advantage - it very rarely crashes, loses data or freezes.
- Fewer computer programs and games are available for MACs.
- As most computer components of MACs are made by Apple, there are not many driver issues, unlike with PCs, which are made by many different manufacturers
MAC OS is not as customisable as Windows or Linux.
Windows:
- Can be expensive, especially compared to Linux, which is in most cases free.
- Easy to use, especially for new computer users, and plenty of help resources are available online.
- Although Microsoft Windows has made great improvements in reliability with recent versions, it still lags behind its competitors.
- It has a large library of available software, games and utilities, although many are expensive.
- Hardware manufacturers all make drivers and support for Windows OS.
- Openness to virus attacks is a major disadvantage.
Linux:
- It is an open source OS, which in most cases is free.
- Inexperienced computer users may find it more difficult to get to grips with Linux.
- It is very reliable and rarely freezes.
- Fewer computer programs, games and utilities are available for Linux.
- Many programs are free or open source, even very complex ones.
- There are still some manufacturers that do not offer hardware support for Linux OS, although there are fewer every year.
- The open source nature of Linux allows more advanced users to customise the code as they wish.
- Fewer people use Linux, therefore it is more difficult to find someone fully familiar with it, although there are vast resources online.
Mac OS:
- MAC computers are more expensive generally than PCs.
- MAC is a much more secure OS, and is far less open to viruses and malware.
- Stability is a major advantage - it very rarely crashes, loses data or freezes.
- Fewer computer programs and games are available for MACs.
- As most computer components of MACs are made by Apple, there are not many driver issues, unlike with PCs, which are made by many different manufacturers
MAC OS is not as customisable as Windows or Linux.
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