| A | B |
| computer | an electronic device that you can use to store and process information |
| Mouse | device that you use to interact with items displayed on the computer screen |
| Keyboard | A set of keys that resembles a keyboard on a typewriter |
| Microphone | A device that you can use to talk to people in different parts of the world |
| Scanner | A device that is similar to a photocopy machine |
| Webcam | A device that is similar to a video camera |
| Stylus | A pointing device, similar to a pen, used to make selections and enter information by tapping on a touch sensitive surface |
| Trackball | pointing device that is an alternative to a mouse |
| Monitor | A device that is similar to a television |
| Printer | A device that you use to transfer text and images from a computer to a paper or to another medium, such as a transparency film |
| Speaker/Headphone | A device that allows you to hear sounds |
| Random access memory (RAM) | It is the main memory of a computer and allows you to temporarily store commands and data. |
| Read only memory (ROM) | It is the memory that retains its contents even after the computer is turned off. |
| Flash memory | It is a nonvolatile memory that retains data even after a computer is turned off. |
| motherboard | is the main circuit board inside a computer |
| Video card | It is connected to a computer monitor and is used to display information on the monitor. |
| Sound card | It converts audio signals from a microphone, audio tape, or some other source to digital signals, which can be stored as a computer audio file. |
| Network interface card (NIC) | It allows a computer to be connected to other computers so that information can be exchanged between them. |
| Hard disk | A magnetic disk that is usually the main storage device on most computers. |
| CD-ROM | A portable storage medium that allows you to store 400 times more data than on a floppy disk |
| DVD-ROM | portable storage medium that is similar to a CD-ROM; however, it can store larger amounts of data than a floppy disk or a CD-ROM. |
| USB flash drive | A small portable storage device that is typically the size of a thumb |
| Cloud storage service | modern, fast growing storage service that uses the Internet and central remote servers to maintain and store data and applications |
| Universal serial bus (USB) port. | You use this to connect peripheral devices such as a mouse, modem, keyboard, or printer to a computer. |
| FireWire | You use this to connect devices such as a digital camera. |
| Network port | You use this to connect a computer to other computers to exchange information between the computers. |
| Display adapter | You connect a monitor to a display adapter on your computer. |
| Power | A motherboard and other components inside a computer use direct current |