Computer Systems

5. Short for ‘binary digit’; one 0 or a 1.
7. Software used for general tasks such as work and entertainment.
9. Parts of a computer that you can touch.
10. The part of a computer that performs calculations and carries out instructions.
11. A logic gate that accepts only one input; the output will always be the opposite of the input.
13. A form of algebra where all values are reduced to either true or false.
17. A program that can learn from data and experiences, letting it mimic the way humans make decisions. e.g. understanding speech.
19. A device that is able to gather data from its surroundings to respond to or record.
20. Software that manages and oversees (looks after) the computer system (both the hardware and software), e.g. the operating system, antivirus, system settings.
21. Digital image made from objects placed on a computer screen.
22. Software that can identify (spot) similarities in lines, colours, textures and shapes of an image, which is used to tell what an object in an image is.
23. A set of instructions that tell a computer what to do.
24. The way that users and computer systems communicate.

1. A device in a computer that controls the flow of electricity; it is used to make decisions.
2. Working (alone) without human help.
3. Short for 'picture element'. The smallest unit of a digital image or of a computer screen.
4. Information that is stored using 1s and 0s.
5. A number system that uses 0s and 1s, that is used to represent data in computer systems.
6. One 1 or 0.
8. A type of systems software that manages the hardware and software resources on a device.
12. Information that is continuous/smooth.
14. A logic gate that accepts two inputs and will output a 1 (or TRUE) value when either of the inputs is a 1 (TRUE).
15. A digital image made using a grid of pixels.
16. The total number of pixels on a screen.
18. A logic gate that accepts two inputs and will output a 1 (or TRUE) value only if both inputs are a 1 (TRUE).