Pages

Subscribe:

Blogroll

About

Monday, February 29, 2016

Digital Imaging

                                                                       



Digital imaging is creating images by using digital technology.

Search Engines



A search engine represents a program that searches documents for keywords and creates a list of documents where these keywords are found.

Information storage and retrieval

Information storage and retrieval
Information storage and retrieval, the systematic process of collecting and cataloging data so that they can be located and displayed on request. Computers and data processing techniques have made possible the high-speed, selective retrieval of large amounts of information for government, commercial, and academic purposes.

Information Technology

"Information technology is the application of computers and telecommunications to the collection, processing, storage, and dissemination of voice, graphics, text, and numerical information "- Stephen Flowers, Success in Information Processing (1988). In 1958, Harold

Computer Industry




computer, device capable of performing a series of arithmetic or logical operations. A computer is distinguished from a calculating machine, such as an electronic calculator, by being able to store a computer program (so that it can repeat its operations and make logical decisions), by the number and complexity of the operations it can perform, and by its ability to process, store, and retrieve data without human intervention.

Sunday, February 28, 2016

Hackers and Hacking

Hackers are individuals who use their knowledge of computers to infiltrate and compromise the security of other computer networks. There are a number of reasons why people are inclined to hack into computers, from the benign to the malicious – anything from playing a simple prank to stealing millions of dollars.

Computer Viruses

computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations.
 
Blogger Templates