Quiz-Busters - Hash and access - from teachers-direct

Hash and access

This is a quiz to reinforce OCR AS level theory 5.1.4 on hashing, database definitions and a bit of 5.1.3
What S is when files/data are accessed in order from the start of the file?. What A is like a recipe, a procedure for accomplishing a task? There is likely to be maths involved?. What C is what happens when a hash algorithm tries to store something in a used block?. What H is the process of calculating a numeric value from one or more data items?. What T is the data structure where hashed values are stored?. What R is the basic unit of data stored in a data file?. What P is the unique value used to identify a record?. What E is the overall name for the contents of a table?. What C is a key that is formed by combining two or more fields?. What M is a type of hashing algorithm?. What S is when files are accessed in order, but are sorted?. What I is something that can be added to sequential file access to speed it up?. What F is a field in a table, but also a key field in another table?. What F is a type of database that contains only one table?. What R is when two tables have fields that are linked?. What V is used to ensure that data is correct within a database?. What T is a data type that allows any character?. What W is a form of supplementary documentation used to inform the user of their rights?. What T is an interactive help file that shows you how to perform a task?. What R is also known as direct access?.