Across
- 2. Standard way of representing text.
- 4. The number of dots that make up an image.
- 7. Operation used to multipy or divide a binary number by powers of 2. (2 words)
- 12. A technique to represent binary data in a shorter form, saving storage space.
- 14. The capacity of RAM is usually measured in this unit.
- 17. A method of representing binary negatives that has problems with minus 0. (3 words)
- 18. Modern way of representing text, using 2 or more bytes.
- 19. A number system consisting of 1s and 0s.
- 23. A form of compression where no data is discarded.
- 24. The smallest piece of data in a computer system.
Down
- 1. The smallest element of an image.
- 3. The amount of data each pixel uses to represent colour information. (3 words)
- 5. How often we take a measurement (e.g. of a sound). (2 words)
- 6. Occurs when the result of a calculation is too large to fit in the available bits.
- 8. Harddisk capacity is often measured in this unit.
- 9. The preferred way to represent binary negatives. (2 words)
- 10. A technique where each letter in a string is shifted along the alphabet, to hide the meaning of the text. (2 words)
- 11. 1024 bytes.
- 13. Scrambling data to prevent it being understood by unauthorised users.
- 15. Another name for hexadecimal. (2 words)
- 16. Number system using 0-9 and A-F.
- 19. 8 bits.
- 20. Half a byte.
- 21. Another name for binary. (2 words)
- 22. A form of compression where data is discarded in order to significantly reduce file size.