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…
Information systems and databases
File storage Computers have been used since the 1950s for the storage and processing of data. An important point to note is that the main memory of a computer provides…
Job scheduling
The allocation of system resources to various tasks, known as job scheduling, is a major assignment of the operating system. The system maintains prioritized queues of jobs waiting for CPU…
Operating systems
Development of operating systems In early computers, the user typed programs onto punched tape or cards, from which they were read into the computer. The computer subsequently assembled or compiled…
Programming languages
Early languages Programming languages are the languages in which a programmer writes the instructions that the computer will ultimately execute. The earliest programming languages were assembly languages, not far removed…


