3.  http://www.youtube.com/watch?v=aS_ctwq7 qT4 http://www.youtube.com/watch?v=aS_ctwq7 qT4  http://www.haelmedia.com/OnlineActivities_ txh/mc_txh3_002.html http://www.haelmedia.com/OnlineActivities_ txh/mc_txh3_002.html

4.  What is an array? What is an array?  Name two types of array Name two types of array  What elements can the array contain? What elements can the array contain?

5.  A:array [1..5] of integer;  T:array [1..3, 1..7] of string;  B: array [1..n] of real;  How many elements contain these arrays?  Which type of data?

6. Theory of Information Queues

7. Wikibooks.org A-level computing AQA Problem Solving, Programming, Operating Systems, Databases and Networking Programming concepts Queues THEORY OF INFORMATION QUEUES

8. HTTP://WWW.YOUTUBE.COM/WATCH?V=6QS_CUP1YOI What is a stack ? What is a queue ? From which elements queue consist of ? Name two operations you can do with queues?

9. Main concept Benefits and drawbacks Uses in computing and real life Compare stacks and queues in terms of the following criteria Extended