Computer desktops

Computer Desktop is nothing but a personal computer. The work itself means that a Desktop to keep it on desk in office or home. According to the classifications it can be available in different model, different capacity and different color. As electronics era is changing, automatically computer desktop is changed to portable computers like Laptops, PDAs and specialized servers for storing large volume of data. Desktops are currently available in most affordable prize. In this computer era, you can able to see at least one computer in each home. Think for a moment if computer were not produced what would have happened? Is it imagining? Yes that much changes is happened in whole world after computer production started.

History

Desktop were started to produce widely late of 1970s and 1980.Originally it was called ?Microcomputers? to differentiate them the mainframe and microcomputers. MITS Altair became the first pre-assembled computer in 1975.By 1980s the desktop computer became more common in the society. Even the cost of the machine was high, it boomed as wide of users from largest organization to individual at home. In mid of 1990s that desktop computer became nearly everywhere in our modern era. Due to this fast grown up of electronics it comes in different model, different capacity with high speed and high configurations. Presently school students are much aware about this computer desktop and able to run a desktop very easily. Now they are asking Desktop but Laptops. That is the fast growing of Electronics era. Desktop computers are much affordable in price as compared to the Laptops.

Hardware

Let see the Hardware part of a computer desktop. Hardware itself means all the components of a computer desktop together called ?Hardware?. Desktop computer have monitor, keyboard, mouse separately, in which keyboard and mouse are user input peripherals. Monitor is working as a output device which displays message on the screen. A printer is optional which is also as output device to print anything as a hardcopy. Internally we can see many components. In which brain of a desktop is the processor. It controls the speed of the system. RAM, is Random Access Memory. It stores data for short time. Motherboard which links all the components and routes the data. CPU Cooler comes with heats rinks, which cools the processor. Another fan which cools the computer. There are mainly 3 storage media device which are CDs, Floppy disks and Hard Disks. Hard disk is the main data storage. CD-ROM/DVD-Drive is used to read or write data on CDs/DVDs. Floppy Drive reads or write on floppy disks. Then we can see Graphic Card which codes video outputs and send to the monitor. Sound card delivers sounds to the speakers. Modem is optional which is to access data via telephone line and to access internet. Network card is also optional to allows to computer to connect other computer on network.

Computer components are consists of Processor, RAM, Hard Disk, CD-ROM, Floppy Dirve, Graphic card, Sound Card, Network card, Modem Card. Also it consists of some ports like, USB, Serial , Parallel, PS2, Power, Headphone jack etc. All together is build up in case called Cabinet. This cabinet consists of Power supply unit, which serve power to motherboard. In processors makers , INTEL in major in the market. Also AMD processor is available. But not much popular.

Assembly

The computer technician can able to assemble a computer which above mentioned components. It was much difficult to assemble an old desktop, because it almost components come separately to be assembled together. But in nowadays graphic card, sound card, network card usb ports is built up with motherboard. So it is easy to assemble desktop.

Branded Vs Assembled Desktop.

As electronics era is grown up there are so many large manufactures available in the world market to produce desktops. Mainly they are Compaq, HP, IBM, DELL, etc. Out of which there are many small many small manufacturers available in the world market. When we compare to assembled desktop with branded one , we could see much different. In branded come with their own logo and totally ready to operate. They always-original parts with their standardization. Also there having 1-3 year warranty. So it always better than assembled one. But price wise branded have much more than the assembled one in cost wise. So there may to chance to get some used parts or duplicate when we see the assembled one.

Configuratios

Desktop computer, which was getting earlier, is very low capacity with low configurations. Which can be called 80 machine, PI, PII, PII machines. But in the current market available PIV with very much high configurations. Due to competitive in the computer market , high capacity of each component can be seen. Now 10GB HDD is not available. In that place is available with 80 GB, 120GB etc.

It all depends on the processor and the RAM. So it will be better to use high capacity processor with 2.88 or 3.06 Ghz and 256 or 512 RAM . Then system will work fast.

Software

With only help of these components, we cannot operate a desktop. So we need an operating systems which is nothing but set of programs made up by programmer. Here operating system is working as an interpretator to between the computer and the user.

How it works

All this computer is functioning with the help of a operating system. It could be DOS, Windows or Linux. There are many operating systems in the market. In which major is Windows. Windows is developed by Microsoft and available in different versions. All most peoples are using windows 98, windows 2000 or Windows XP. Each version is come with fast and easy way to operate it. There are many software?s are available in the market which is used for different type of applications. So all this software?s with the help of operating systems.

User can communicate through a keyboard or mouse to the desktop. Anything to the desktop through keyboard mouse accepts the data in RAM, processor will control and calculate and finally out put gives on the screen or printer. We can also see blue tooth, wireless in Laptops which can be communicate