Computer Hardware

2. A measure of the work required to move electrons through a circuit (voltage), multiplied by the number of electrons going through that circuit per second (current).
4. The temporary storage for data and programs that are being accessed by the CPU.
6. Connects a computer to the Internet using a phone line.
8. Connects a computer to a network using a network cable.
10. Considered the brain of the computer. It is sometimes referred to as the processor.
12. Connects a computer to peripheral devices.
15. A hard drive, or hard disk drive, is a magnetic device used to store data.
17. Provides graphic capability.
19. A measure of the amount of electrons moving through a circuit per second.

1. The main printed circuit board and contains the buses, or electrical pathways, found in a computer.
3. Connects a computer to peripheral devices.
5. Provides audio capability.
7. Contains instructions that can be directly accessed by a CPU.
9. Connects a computer to peripheral devices.
10. Sends a video signal to a computer so that the signal can be recorded to the computer hard drive with Video Capture software.
11. Connects SCSI devices, such as hard drives or tape drives, to a computer.
13. The opposition to the flow of current in a circuit, measured in ohms.
14. Connects a computer to a network using radio frequencies.
16. A measure of work required to move a charge from one location to another.
18. Provides the ability to watch and record television signals on a PC by connecting a cable television, satellite, or antenna to the installed tuner card.