Across
- 1. a compression method that permanently removes data to reduce file size
- 3. The Data __(?)__ has rights about how and what personal data is stored about them.
- 6. Data __(?)__: returning original data to its previous state
- 7. a type of memory that is volatile
- 9. a form of memory faster than IAS! It usually stores a single temporary value for use in the Fetch-Execute cycle
- 14. a physical component that makes up a computer
- 18. a type of cell reference used in Spreadsheets. It 'fixes' the referenced cell
- 22. a type of image that is made up of pixels
- 24. ___(?)___ system: a necessary piece of system software
- 28. this law protects the rights of individuals and the data that is stored about them
- 29. In a database, this consists of records and fields
- 31. The Information __(?)__ is responsible for enforcing the DPA.
- 32. an automatic check that computers use to ensure that entered data is sensible
- 35. a type of memory that is non-volatile
- 36. ___(?)___ Relationship Diagram: a useful modelling tool to help identify relationships between tables
- 37. an abbreviation of picture element
- 38. a type of memory that helps the CPU to process data faster
Down
- 2. In SQL, this is the first clause (first instruction word)
- 3. a type of malware that collects little bits of information about user's actions.
- 4. a type of image made up of components (lines, shapes etc)
- 5. ___(?)___ Key: this uniquely identifies a record in a table
- 6. a versatile text file format
- 8. a group of 8 bits
- 10. this is 1024 megabytes
- 11. this is made illegal under the computer misuse act
- 12. The Data __(?)__ is the person in a company who is responsible for registering the company for the DPA
- 13. a data type, usually consisting of text
- 15. a discrete data form
- 16. ___(?)___ software: this type of software enables users to do a particular task
- 17. Disc __(?)__: a utility service/program you can perform on your hard disc drive.
- 19. a measurement of the quality of an image
- 20. a popular sound file format
- 21. the smallest unit of storage
- 23. ___(?)___ Key: when a key is made up of two or more fields
- 25. a continuous data form
- 26. a data type, which is of type number
- 27. a popular image file format
- 30. ___(?)___ Unit: this part of the CPU fetches the next instruction and decodes it
- 33. needed if you want to convert analogue to digital
- 34. a program that has been designed to damage the normal operation of a computer
- 39. a component of the CPU
- 40. Which of these is not a form of Internal memory? RAM - ROM - HDD - CACHE