A Controller is a device that controls the transfer of data from a computer to a peripheral device and vice versa. For example, disk drives, display screens, keyboards, and printers all require controllers. In personal computers, the controllers are often single chips. When you purchase a computer, it comes with all the necessary controllers for the usual standard components. However if you attach additional devices, you may need to insert new controllers that come on expansion boards and they must be designed to communicate with the computer’s expansion bus. There are three standard bus architectures for PCs— the AT bus, PCI (Peripheral Component Interconnect), and SCSI. Therefore, when you purchase a controller, you must ensure that it conforms to the bus architecture that your computer uses.
Top Reasons To Wipe Away Your Internet History
- Information about all the sites you have visited is stored on your computer!
- Every image you have ever viewed, sent or received over the Internet is stored on your hard drive!
- There is a record of every program that you have ever downloaded or used on your hard drive!
- The windows delete button and the empty recycle bin option does NOT completely delete your files!
- Cleaning your History Files improves the speed of your computer and frees valuable disk space!
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