One good replacement for desktop PC is a laptop computer which offers
larger monitors, more power and much faster processors compared to other
portable computers. If you are a frequent traveler or simply a lover of
just bringing your things wherever you are, then this is not your type
because it is bigger in size which you’ll find difficult and not
convenient to transport.
In this world today, we are presented with many choices of technology.
We can’t just simply say yes to all. There were large number of laptops
available for us to choose from yet we have to bear in mind to get only
what we need.
If you’re considering most on internal parts, you might want to decrease
the level of your expectancy in laptops because your choice definitely
is limited. Buying from popular and credible brand will give you some
sort of assurance that your purchase includes quality internal parts.
Laptop brand and models varies considerably in processor speed and other
extra features. You still have the option to increase the memory size
and other parts depending on your need. It’s better to pick your
processor first if your preference is speed.
The two biggest companies’ in microprocessor market is AMD and Intel.
Your selection will particularly be base on your personal preference and
how much are you willing to pay.
Some people prefer to have 13″, 14″, 15.4″ or 17″ montior. The way you
use it will again come into picture. Your decision should be a
combination of usability and portability.
The memory requirement differs as to what operating system you are going
to use. Windows vista recommends at least 1GB and Windows XP at least
512MB. Although it can run at lower memory but choosing this
recommendation will make your computer works faster.
If you are uncertain as to how much hard drive you need in your laptop,
then make sure it has enough storage for your data or you can consider
these possible usage: 15 gigs can be alloted to computer programs, and
40 gigs to music. So if that is the only thing you’ll need you can
actually go for 80GB or lower but if you need photoshop or other editing
functions, gaming, and storing of photos then you really need to have
more than a 100GB.
Some essential laptop built in extras you need to check are the
following:
1. USB Ports
2. DVD Burner
3. Network Port
4. Modem Port
5. Wireless
6. Bluetooth (optional)
Choosing the best laptop for your need has become better nowadays though
the selection become harder as more and more brands customize it’s
products to fill in your need.
Archive for January, 2012
Laptop Computer – How to Choose?
Author: adminJan 31
What Is Computer Software, Application Software And Systems Software?
Author: adminJan 31
A computer’s software refers to a program (or a group of programs) which give a computer instructions on what to do and how to operate. Software programs can provide one main task, or multiple main tasks.
As an example, a program designed to edit digital photographs has one key task (i.e. to allow for editing of photos) – naturally it would have numerous sub-tasks though (i.e. red eye removal, color correction features, resizing and cropping/cutting of an image).
On the other hand, a computer’s operating system (a complex piece of software which basically handles and runs the entire computer) would carry out many main tasks – for example handling input and output (i.e. the user typing in with a keyword, or audio coming out of speakers), memory allocation, managing the computer’s hardware components (these are the electrical components which power a computer) and much more.
Software can be grouped into roughly two groups: application software and systems software. Essentially, software which facilitates just one main task (for example, photo editing software as in the above example) would be counted as application software. This is contrasted to systems software which refers to complex, multi-task programs which help to run the entire system – such as an operating system.
These two main groups of software are discussed in more detail below:
Application Software
This is software which is installed on an operating system (See “Systems Software” below for more information). As mentioned above, this type of software tends to perform just one main task. Another example of application software would be a website browser: this is the program which you are probably using right now to view this article. Examples of a browser include Internet Explorer, Google Chrome and Mozilla Firefox. In short, their main task/function is to facilitate you in surfing the internet.
Other types of application software are as follows:
Word Processing – this type of software allows you to type up documents and letters. Examples include Microsoft Office Word and Open Office. Antivirus Software – this type of software helps protect your computer system against malicious threats such as viruses and malware. Examples include Norton Antivirus, Kaspersky Antivirus and AVG Anti-virus. Photo Editing – this type of software can be used to edit and manipulate photos and other digital images in various ways. Examples include Paint.net, Corel PaintShop Pro and Adobe Photoshop.
Systems Software
This type of software is quite accurately described as being at the very core of any computer system. Without systems software, a computer could not really function. In short, it manages every aspect of a computer system – from how the hardware interacts with the software (‘drivers’) to giving the user an interface and platform to interact with the system (‘operating system’). The operating system – or ‘OS’ – is the software that loads up after your computer is switched on. It’s where all application software is installed on. Examples of an OS include Microsoft Windows (XP, Vista, 7 etc), Linux (Ubuntu, CentOS) and Apple Mac OS X.
Other types of systems software include device drives (these make the hardware components function correctly with the software and computer system) and utilities (these are also called ‘utility tools’ and they help monitor, maintain, check and analyze different parts of a computer; such as ‘Task Manager’ and ‘Disk Defragment on Windows OSes).
What Is Computer Software?
Author: adminJan 31
Software is a term that describes what a program is, and will tell the computer what the program is designed to do. There are a few different types of computer software, but the most common types are application, system and programming.
All the operations that the computer performs are run on one some application of computer software. These applications allow the computer to perform the required operation. Even playing a computer game, is considered a function by the computer. Which ever application you do use, you are using a piece of software to run it and perform a certain operation, this can include everything from business related software, to educational, to scientific programs, and even medical.
A company can use software to help with their everyday operations of running a business. These tasks can include: customer service, spreadsheets, payroll, accounts receivable, data base, and inventory management. These can all be done with certain pieces of software. There are several companies that will use and even buy computer software to help teach some of their employees in learning a second language to increase their knowledge, and improve their work skills especially if they work with people from different nationalities.
Software can also be used in hospitals, to run monitoring equipment. Researches may use modeling programs in an experiment to test out a theory. The industry of computer software will continue to grow over the next couple of years. There are many software companies, in all parts of the world, and there are just as many different programmers working to make the industry even larger. Many job seekers have realized how extensive the growth and the importance of software is, and the rate in which it is expanding. It is no wonder, that there are many people who are trying to get into this field in one form or another, as they know they will get a lot from it in return.