COMP

3. The brain of the computer where most calculations take place.
5. Devices connected to a system unit.
8. A device that displays information visually.
9. The basic input/output system of a computer, stored in ROM.
11. Disk An old storage device used in computers.
13. The largest and most powerful type of computer.
15. A small, portable computer usually smaller than a laptop.
16. Sink A component that dissipates heat from the processor.
18. A program designed to protect your computer from malicious software.
19. A type of card or circuit board that allows additional features in a computer system.

1. A special memory chip that stores startup information for the computer.
2. Slots Additional slots on a motherboard for adding expansion cards.
4. A type of computer larger than a microcomputer but smaller than a mainframe.
6. The main circuit board of a computer.
7. A device used for entering data into a computer.
8. A pointing device that controls the pointer on the screen.
10. The main memory used by a computer to store data temporarily.
12. System A type of software that serves as an interface between the user and the hardware.
14. A word or phrase that protects your computer or a document from unauthorized access.
17. A digital input device with buttons and often a ball on top.