Learn how to work with typed files and basic file management. The program shows how to take control over the timer interrupt and use it to update time on the screen. Note that the main objective when writing all the programs was simplicity and readability, not speed and memory saving. Go back to Heading Quit to Home page Installation All Turbo Pascal programs that you download from this page are zipped directories. To expand them you need the program pkunzip.exe .
Most directories contain files called readme.pas with more details.
Do not hesitate to contact me in case of any troubles. Go back to Heading Quit to Home page Object Oriented Programming A-level Computing and similar syllabi are based on traditional Structured Programming. This text is intended as a first simple introduction to the main principles of OOP for students of A-level Computing and similar courses. This concept is called Information hiding . A class describes objects that have the same attributes and methods.