Computer Hardware

2. a technique for adding capability to a computer in the form of connection pinholes
5. a type of peripheral which is a handheld input device that can move and select text,icons,files etc.. on your computer
7. a component of a computer's CPU that directs operations of the processor
11. a computer/computer program which manages access to a centralized resource or service in a network
12. authentication used as a form of identification and access control i.e fingerprint
13. the brains of the computer
15. ties all the components of the computer together
16. computer a computer that has a system of a combination of a computer processor,computer memory,and input/output peripheral devices
18. a cable which provides an interface between any audio/video source i.e a DVD player

1. a combinational digital electronic circuit that performs arithmetic operations on binary numbers
3. a mobile phone that performs many of the functions of a computer, they typically have a touchscreen interface,wifi and an operating system capable of running downloaded apps
4. example of this is a speaker (components located around the system unit)
6. a communication system that transfers data between components inside a computer or between computers
8. Universal Serial Bus
9. an input device which is used to enter characters and functions into the computer system by pressing buttons/keys
10. an area of illumination on a display screen, which is one of many that forms an image
14. temporary memory, holds data and instructions for software currently in use
17. firmware used to perform hardware initialization during the booting process