- Central Processing Unit (CPU) or Processor- its job is to carry out commands, Whenever you press a key, click the mouse, or start an application, you're sending instructions to the CPU. Two common/popular companies that manufacture this part are Intel and dell. we got this information from http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2 .
- Motherboard or Mainboard- is the computers main circuit board.It's a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives, expansion cards to control the video and audio, and connections to your computer's ports (such as USB ports). Two popular companies that manufacture this part are dell and acer inc. we got this information from http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2
- Power Supply Unit- 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. Two popular companies that manufacture this part are dell and acer inc. we got this information from http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2 .
- Random Access Memory (RAM)- RAM is your system's short-term memory. Whenever your computer performs calculations, it temporarily stores the data in the RAM until it is needed. Two common/popular companies that manufacture this part are Acer inc and Nvidia. we got this information from http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware. and http://www.gcflearnfree.org/computerbasics/7.2 .
- Hard Drive-The hard drive on your computer is where the software is installed, and it's also where your 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. Two common/popular companies that manufacture this part are AMD and IMB .http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2
- Video Card- The video card is responsible for what you see on the monitor. Most computers have a GPU (graphics processing unit) built into the motherboard instead of having a separate video card. If you like playing graphics-intensive games, you can add a faster video card to one of theexpansion slots to get better performance. Two common/popular companies that manufacture this part are AMD and IMB .http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2
- Sound Card- The sound card, also called an audio card, is responsible for what you hear in the speakers or headphones. Most motherboards have integrated sound, but you can upgrade to a dedicated sound card for higher-quality sound. Two common/popular companies that manufacture this part are dell and IMB .http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2
- Network Card- The network card allows your computer to communicate over a network and access the Internet. It can either connect with an Ethernet cable or through a wireless connection (often called Wi-Fi). Many motherboards have built-in network connections, and a network card can also be added to an expansion slot. Two common/popular companies that manufacture this part are AMD and Sun .http://www.ranker.com/list/the-best-cpu-manufacturers/computer-hardware and http://www.gcflearnfree.org/computerbasics/7.2
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