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Week 3
The role of computer software
This is week 3, in this week i had learned the role of computer software.I had learnt about basic computer
hardware in week two. I could understand what computer hardware is, then I
learnt about Computer Software in the next week with most basically known as an
intangible part of a computer. It is also called as a program with a
collections of related data in a computer. It tells what a compute supposed to
carry out and how to do it.
There are some categories of software
that is known as:System software that controls and
maintains the operations of the computer and its devices, Application
software makes users more productive and assists them with their tasks
and Programming Languageenables people (called programmers)
to communicate instructions to a computer.
These are
two types of Computer Software:
- Operating System (OS) is a set of programs that coordinates all the activities among computer hardware resources.
I would like to describe what
Operating System (OS) is. OS is the most important part of all computer systems
that is called as platform program. Some computers can run multiple OS on the
machine like Windows, Ubuntu, Linux, etc. The functions of OS are starting and
shutting down a computer, providing a user interface, managing program and
memory, coordinating tasks, configuring devices, establishing an Internet
connection, monitoring performance, providing file management and other
utilities, updating software automatically, controlling a network, and
administering security.
Here are some types of Operating
System, such as:
1. Stand-alone
OS – a complete OS on a computer:
- DOS, Windows, Mac OS,
UNIX, Linux
2. Server OS –
an OS that supports a network:
- Windows NT, UNIX,
Linux, Solaris, Net-Ware
3. Embedded OS
– built-in on a ROM chip mainly for mobile devices.
- Windows CE,
Palm OS, BlackBerry, Google Android.
- Utility Programs is a set of programs that allows a user to perform maintenance-type tasks concerning the computer itself, its devices and its programs.
In Utility Programs, most of Operating Systems has some function, such
as files/ programs - manage, search, install/ uninstall, view, backup, protect,
compress, secure, disk – clean up, defragment, backup, burn, and format.I want to give some important things that we can protect or take care of
our computers effectively by using Utility Programs, like Screen saver,
Personal firewall, Antivirus programs, Spyware and adware removers and Internet
filters (anti-spam, web filters, phishing filters, pop-up blockers). These Utility
Programs allow us protecting our computers from any kind of inconvenience virus.
There are many software that we uses in our computers to make our works much easier. For instance, Application software that include package software, custom software, web application, etc. I would like to explain more about software that is useful in our computers.
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