If you buy a computer, it is important to learn how to build your own computer system not only to save your money, but also to be sure that your computer has everything you need and nothing you don't.
Computer components or hardware represent the physical parts of a computer composing a computer system, such as the monitor, mouse, keyboard, computer data storage, hard disk drive (HDD), system unit, all of which are physical objects. In contrast, software is instructions that can be stored and run by hardware.
A typical desktop computer consists of a computer system unit, a keyboard, a mouse, and a monitor. The computer system unit is the enclosure for all the other main interior components of a computer like graphic cards, sound cards, memory drive, motherboard and microchips. It is also called the computer case, computer chassis, or computer tower. Computer cases are typically made of steel or aluminum, but plastic can also be used. While most computer cases are rather black, metal boxes, some manufacturers try to give the unit some flair with color and special design elements.
The personal computer is one of the most common types of computer due to its versatility and relatively low price. Laptops are generally very similar, although may use lower-power or reduced size components for laptops.
To buy computer components you should be aware of what functions they have and where they belong in a computer system.
The central processing unit (CPU), is the brains of the computer where most calculations take place. In terms of computing power, the CPU is the most important element of a computer system.
Multiple technologies have been used for computer monitors. Until the 21st century most used cathode ray tubes but they have largely been superseded by LCD monitors. Computer monitors, or display screens, are provided with a variety of methods for mounting them depending on the application and environment: desktop monitor, VESA mount, rack mount, panel mount, open frame monitor.
The motherboard is the main component of a computer. It is a large rectangular board with integrated circuitry that connects the other parts of the computer including the CPU, the RAM, the disk drives (CD, DVD, hard disk, or any others) as well as any peripherals connected via the ports or the expansion slots.
Power supply units (PSU) convert alternating current electric power to low-voltage DC power for the internal components of the computer. Laptops are capable of running from a built-in battery, normally for a period of hours.
As processors, graphics cards, RAM and other components in computers have increased in speed and power consumption, the amount of heat produced by these components has also increased. These components need to be kept within a specified temperature range to prevent overheating, instability, malfunction and damage. That's why a computer fan is a necessary part of the system. It is a fan inside, or attached to, a computer case used for active cooling of the system or a definite part of the computer.
On Export Portal you will find a huge variety of computers, laptops, and hardware components. Buy computer parts online to be sure you get the items that bring performance, stability, and reliability.