Across
- 4. The time delay between the moment something is initiated and the moment it becomes detectable.
- 9. High-definition TV.
- 11. Someone who gains unauthorised access to a computer in order to obtain data stored on it.
- 13. Downloading a certain amount of data into temporary storage before starting to play a file.
- 16. Required for connecting devices to show high-definition video.
- 17. “Information… what?” Having so much information that the user feels overwhelmed.
- 18. The ability of a device to communicate and share information with another device.
- 20. Buying and selling goods electronically usually over the internet.
- 24. Gives the creator of an original work exclusive rights regarding that work for a certain period of time including its publication distribution and adaptation.
- 26. Working together with other people.
- 27. Short messages which may include short sentences individual images or video links. An example is Twitter.
- 30. For security data is translated into a secret code according to a set of rules in a special ‘key’. To convert the data back into plain text the receiver must also have the key.
- 31. The increasing integration of economies and societies around the world particularly through international trade.
- 32. The personal address of your computer so that servers know where to send the information you have requested.
- 33. Allows the copyright holder or the owner of the media control over the number of viewings play and copies and even which devices the media can be played or viewed on. If you download a film from iTunes you cannot burn it on to a DVD because of the DRM encoded in the film.
- 35. Allows the exchange of data over short distances from fixed and mobile devices.
- 36. Third-generation wireless communication which allows high-speed wireless data transfer.
- 37. A small piece of hardware that connects to a computer and has uses including data storage and picking up Bluetooth and 3G signals. A dongle may be portable like a USB pen.
- 38. To attach the exact geographical coordinates of longitude and latitude to a digital image giving the location of where it was taken.
Down
- 1. Symbols characters images and numbers are all types of data. When data is processed and acquires meaning it becomes information. Computers process data to produce information.
- 2. A set of numbers on the back of a credit card that help verify that the use of the credit card is legitimate.
- 3. An automated method of recognising a person based on physical characteristics. Among the features measured are face fingerprints hand geometry iris and voice.
- 5. A set of rules that people try to abide by out of respect for other people around them.
- 6. A system designed to prevent unauthorised access to your computer when connected to a network such as the internet.
- 7. The design of equipment to increase the efficiency of the way it is used by the human body to promote the health of users.
- 8. Having the ability to do many different things using the same device.
- 10. “Digital....” Unequal access to ICT for individuals or groups usually due to financial geographical health or cultural reasons.
- 12. The amount of data that can fit through an Internet connection. It is measured in bits per second (bps). This indicates the number of bits of information that can fit down the line in one second. Kb or Kbps means thousands of bits per second; Mb or Mbps means millions of bits per second.
- 13. A copy of data that is made in case the original data is lost or damaged. The backup can be used to restore the original data.
- 14. Tricking someone for personal gain or to damage them.
- 15. The picture of a TV screen is made of lines of pixels. In a conventional TV there are 625 lines which are refreshed 25 times a second. HD has either 720 or 1080 lines so it produces a clearer sharper picture.
- 19. A type of software that helps users perform particular tasks.
- 21. When one device is developed to carry out functions that were originally performed by several different devices.
- 22. A high-speed connection to the internet.
- 23. Relating to a business.
- 25. Small text files that are sent to your computer from certain websites. They track your behaviour and transactions.
- 26. A system in which all computer programs and data is stored on a central server owned by a company (e.g. Google) and accessed virtually.
- 28. A company that provides internet access to its customers.
- 29. Slow computer functionality often caused by high latency or low performance hardware.
- 34. Transfer of a file e.g. a video from a central computer to your computer.
- 35. A shared online journal where people can post diary entries about their personal experiences and hobbies.
- 38. A navigational system used in many devices which gives current location.