
computer science





relational data model

	data stored as lists	[e.g. list of customers, lists of products]




3-gl languages


	if a > b		[e.g if stocks > 20 items]
		....
		....



	for x = 1 to 100	[repeat 100 times]
		....
		....
		....




other software languages




algorithms
	mathematical functions, sorting, graphics etc