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hardware basics 0620
| Question | Answer |
|---|---|
| what is a storage device? | allows storage of data for use later, which can be internal or external storage. |
| ROM | is a permanent internal memory inside the computer system. |
| RAM | is a temporary memory that is designed to hold new data and is only available while the computer is turned on. |
| Sound Card | allows the input of sound into the computer |
| Pixal | is a single colored square thats in the computer screen. |
| hard disk drive | holds an large amount of information and is significant in the purchasing decisions of a new computer system. |
| USB drive/flash drives | this is a mobile storage device that can be plugged into the usb drive that has its own memory and can be used in more than one computer. |
| CD-R | allows the user to to record data once for storage purposes; compact disk. once the information is recored it can not be edited. |
| Firewire | provides a very fast connection to transfer large amount of data quickly. |
| Keyguards | are hard plastic covers with holes for each key on the keyboard. |
| input devices | allows you to enter data into the computer system. |
| touch pads/ trackballs | these are your built in mouses on laptops computers so that you can scroll on the computer. |
| kilobytes/megabytes/gigabytes | computer memory that is measured in the amount of information that it can hold. |
| control unit | retrieves the instructions and sends command signals to the rest of the computer systems to tell them what to do. |
| memory unit | allows the storage of information, is internal to the computer and is divided into two types of memory: RAM and ROM |