Size - This is the diagonal size of the LCD screen. The larger the area, the greater the image screen. A larger screen is the best movies and games. This will increase productivity.
Resolution - This is the number of pixels on the screen. For example, a 24-inch display is 1920 × 1200 (length x width) and 22-inch display, is 1680 × 1050. High resolution provides better picture quality and a good game experience.
Operating system
Everything is a computer operating system in some form or other major software running on it.
There are three main options: Windows, Linux, Apple OS X.
Linux is free, but people generally do not use it for domestic purposes.
Apple OS X only on Apple's desktop.
Windows 7 desktop users are very popular.
The recent launch of Windows 8, and in the market.
Windows 8 Windows 7 and all the starters, Home Basic, Home Premium, Professional, Ultimate, and multiple versions of the Enterprise Edition.
Memory
RAM is considered a computer memory as the computer's performance is directly proportional to its memory and processor.
Today's software and operating systems that require high memory.
Currently used in RAM DDR 3 1066 MHZ work
Press Windows 7 in, 1 GB RAM is the minimum normally required.
Recommended - 4 GB.
Hard Drive
Hard disk is used for storage purposes. Higher capacity, more data can be stored inside.
Now, one day the computer is equipped with a 500 GB hard drive, expandable to 2 TB.
In most desktop hard drive running at 7200 RPM speed standard performance.
Recommended - 500 GB.
CPU
Frequency (GHz) - which determines the speed of the processor. More speed, better CPU.
Core - Now-a-days are equipped with more than one CPU core, it's like there is on the computer has multiple CPU. Programs can take advantage of multi-core environment to run faster on this machine.
Brand - Intel or AMD. Both are equivalent. Intel in the lead.
Cache - higher L 1, L 2 cache, better CPU performance
Recommended - Intel Core i 3 i 3-32253.30 GHz processor.
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