Recursion and Iteration
Recursion and iteration are two very commonly used, powerful methods of solving complex problems, directly harnessing the power of the computer to calculate things very quickly. Both methods rely on…
The Space-Time Continuum
Algorithms like Quicksort and Mergesort are exceedingly fast, but require lots of space to do the operations. On the other side of the spectrum, Bubble Sort is exceedingly slow, but…
Converting from decimal to octal or hexadecimal
It turns out that when you wish to convert from decimal to octal or hexadecimal, there is a very easy formula that you can use. I'll give you the one…
Understanding Different Base Systems
This essay is targeted at new students of computer programming or computer science who want to understand how base two (binary), base eight (octal), and base sixteen (hexadecimal) work. First…
How to Study Computer Science
If you're an aspiring computer science student or someone who wants to switch fields into CS, you're in luck; there's a lot of information available on the Internet. CS is…
Fields of Computer Science
Computer science is often said to be neither a science nor about computers. There is certainly some truth to this claim--computers are merely the device upon which the complex and…
Impact Of Computer Systems
The preceding sections of this article give some idea of the pervasiveness of computer technology in society. Many products used in everyday life now incorporate computer systems: programmable, computer-controlled VCRs…
Computational methods and numerical analysis
The mathematical methods needed for computations in engineering and the sciences must be transformed from the continuous to the discrete in order to be carried out on a computer. For…
Artificial intelligence
Artificial intelligence (AI) is an area of research that goes back to the very beginnings of computer science. The idea of building a machine that can perform tasks perceived as…
Types of database models
File systems of varying degrees of sophistication satisfied the need for information storage and processing for several years. However, large enterprises tended to build many independent files containing related and…
