Louie Wong

A computer virus is a small program written to alter the way a computer operates, without the permission or knowledge of the user. A computer virus must meet two criteria: It must execute itself. It often places its own code in the path of execution of another program. It must replicate itself. For example, it Read More …

Telecommunication is essential to smooth operations in today’s business world, is the transmittal of data and information from one point to another. Thus telecommunication is communications over a distance. Development in the field of telecommunications has been very rapid in recent years. By telecommunications I mean here all processes that render it possible to transfer Read More …

Organizations recognize data as a critical asset. Available and reliable information is the most important resource of any business in any industry. A productive Systems and Network Administrator must know how databases and data warehouses are built and queried, and what types of information can be extracted. The professional Systems and Network Administrators sometimes must Read More …