Computer Hardware

4. _____ card is required to add functionality to a computer.
7. hard drive.
8. the measurement unit for read- and write-speed of a hard disk
11. sometimes a port is also referred to as a _____.
12. another name of secondary memory.
13. a type of memory that stores instructions during computer setup.
14. a drive that has no moving part and is faster than
17. a traditional hard drive that contains a circular disc.
18. the _____ port is usually used for scanners and printers.
19. a tool to direct movement and actions of on-screen objects in a video game.
22. an _____ device is any hardware that allows users to enter data and instruction into a computer.
24. a tool that enter input by speaking.
26. the next step in machine cycle after instruction and data are fetched from memory.
27. a tool that produce sound information.
28. a component that regulates the voltages to an adequate amount which avoid the computer from overheating.
30. one of the components in CPU used to fetch instruction and data from memory.

1. main circuit board of the system unit that serves to connect all parts of a computer.
2. the first place an instruction is loaded into.
3. a type of printer that uses the concept of dots per inch (dpi).
5. a tool to write on a touch screen.
6. a memory that does not loses its content after computer is turned off.
9. collection of physical elements that constitutes a computer system.
10. a type of memory that loses its content after the computer is turned off.
15. one of the components in CPU used to execute commands.
16. a tool to convey text, graphics, and video
20. the last step of the machine cycle.
21. a tool to enter data and instruction into a computer.
23. a tool for video conference.
24. a tool to control a pointer on the screen.
25. used to interpret and execute basic instructions that operate a computer.
29. an electrical channel that transfer bits internally within the circuitry of a computer.