Laptops, however, exist in many sizes and configurations, which means several different models of motherboards are required. A motherboard, sometimes called a system board, is included in all types of computers. Motherboards almost always contain sockets for chips, memory slots, firmware chips, and a power connector. Various electrical connectors are etched on the motherboard to connect various components of the system.
Several key components live on the motherboard, including the central processor unit CPU , the chipset , the main random-access memory RAM area, and numerous other chips and connectors. Laptops, also called notebooks and netbooks , are designed to be mobile.
A battery or a power adapter provides the electrical power for a laptop. If you want to upgrade your computer or buy a computer and upgrade it later, it's important to see what the component form factor is. This will ensure that you get new components that fit and work correctly.
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What is a Form Factor? Importance of form factors. Solid state drives. If you don't have enough RAM, you may notice that your computer is sluggish when you have several programs open. Because of this, many people add extra RAM to their computers to improve performance. The hard drive is where your software, documents, and other files are stored.
The hard drive is long-term storage , which means the data is still saved even if you turn the computer off or unplug it. When you run a program or open a file, the computer copies some of the data from the hard drive onto the RAM.
When you save a file, the data is copied back to the hard drive. The faster the hard drive, the faster your computer can start up and load programs. The power supply unit in a computer converts the power from the wall outlet to the type of power needed by the computer. It sends power through cables to the motherboard and other components. If you decide to open the computer case and take a look, make sure to unplug the computer first.
Before touching the inside of the computer, you should touch a grounded metal object —or a metal part of the computer casing —to discharge any static buildup. Static electricity can be transmitted through the computer circuits, which can seriously damage your machine. Most computers have expansion slots on the motherboard that allow you to add various types of expansion cards.
These are sometimes called PCI peripheral component interconnect cards. You may never need to add any PCI cards because most motherboards have built-in video, sound, network, and other capabilities. However, if you want to boost the performance of your computer or update the capabilities of an older computer, you can always add one or more cards.
Below are some of the most common types of expansion cards.
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