peripherals

2. American Standard Code for Information Interchange. A 7-bit character set used for representing English keyboard characters.
5. A plastic, circular disc used to store up to 50 GB of music, video or data. Blu-ray discs are optical storage media, similar to CDs and DVDs.
7. Wireless technology used for transmitting data over short distances.
9. Command line interface - a method of running programs and working on a computer using only text. This contrasts with a graphical interface which uses clickable icons and menus.
12. Computer-aided design - the use of computers to assist in any of the phases of product design.
13. A high-speed connection or interface used to connect external devices to a computer, eg a hard disk, camcorder etc.
14. A unit of data containing 8 bits.

1. The smallest unit of data in computing represented by a 1 in binary.
2. A microcontroller, a basic computing device often used in low budget interactive physical computing projects.
3. Gigabyte (GB) - a measurement of file size or storage capacity, 1,024 megabytes, or 1 billion bytes.
4. Continuous data, eg the second hand on an analogue watch displays each second and the space in between.
6. A writing system used by blind and partially sighted people, using raised dots on paper that is read by touch.
8. Sub-atomic particle, with a negative charge and a negligible mass relative to protons and neutrons.
10. Information stored as discrete values usually represented as numbers. This contrasts with analogue data which is represented by continuous data, usually in waves.
11. A number system that contains two digits, 0 and 1. Also known as base 2.