Archive for January, 2008
Designing a Program
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
Designing a program involves two crucial steps: Identify what you want the program to do. The first step is fairly easy (because it’s always easy to tell someone else what to ... Read more..Spaghetti programming
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
In the early days of computers, many programs were small and simple, so programmers could often start writing their programs without any planning whatsoever. They’d write part of ... Read more..Sequential instructions
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
Sequential simply means that the program follows instructions, one after another, from the first instruction at the top to the last instruction at the bottom. Every program organizes most ... Read more..Branching instructions
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
To make programs more useful and responsive, they need to accept and react to outside data. When you play a video game and a monster appears on-screen, the ... Read more..Looping instructions
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
No matter how many sequential or branching instructions a program has, it runs only once before stopping. To keep a program running until you want it to stop, ... Read more..The building blocks of programming
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
Every program in the world has been built by using the three basic building blocks (sequential, branching, and looping instructions). Enter Your Password! password$ = "" WHILE password$ <> "open" PROMPT ... Read more..Dividing and Conquering with Subprograms
Wednesday, January 30th, 2008 Posted in Programming Structure | No Comments »
In general, the more complicated the task, the larger your program needs to be. The larger your program gets, the harder it can be to read and understand. ... Read more..