Computer Fundamentals

1. Hardware that detects or measures physical changes in the environment and converts them into a digital signal for a computer to process.
4. A hardware component used to point, click, and select items on screen.
8. Instructions for a computer
9. Software tools that perform maintenance tasks like scanning for viruses.
12. Software used to perform specific tasks such as word processing.
13. A type of secondary storage that uses spinning magnetic disks.
14. Another storage device like a hard drive with no moving parts.
16. The main circuit board that connects major computer components.
18. A group of connected computers.
20. Temporary working memory that is erased when power is lost.
21. Name given to all hardware devices of a computer.

2. Permanent memory that stores important instructions needed for booting the computer.
3. The part of the CPU that performs arithmetic and logic operations.
5. Application software made up a collection of rows and columns.
6. Software that protects the computer from malicious programs.
7. The program that manages hardware, software, and resources on a computer.
10. The “brain” of the computer responsible for executing instructions.
11. The hardware of the computer that accepts data from the user.
13. Physical parts of the computer
15. Group of storage device that stores large amounts of information long-term, even when the computer is off.
16. The visual display unit of a computer.
17. Short term or temporary storage of the computer.
19. Devices that display or produce processed information.