.... the place of guards, and firewalls take the place of physical barriers. Passwords and firewalls are the two most common ways to secure a computer system. Passwords are the most common forms of computer and network security. They are the most common because of three main reasons. First of all, passwords are cheap to implement. Virtually all computers have a password system built into it already. Every home computer can have a password to lock out certain programs from users other than yourself. Even networked computers and systems can have an elaborate pas .....

.... developed Windows 95. Windows 95 has the appearance of being a completely user friendly operating system and it pretty much is as far as the average user is concerned. The compatibility with most hardware makes it easy for someone to upgrade their computer. The desktop is designed so the user has point and click access to all their open and closed programs. Utilizing the 32 bit programing it was written with, users are able to work with more than one program at a time and move information between programs. This gives the user the freedom they need to .....

.... of yet because it is still under development. The reason for virtual reality remaining in its development for so long is mainly due to its complexity. The hardware that has developed so far is unable to make the large calculations required by a virtual reality based machine. However, as apparent in recent years, technology is advancing at an extreme rate. This is another reason why society's hopes for virtual reality should and have remained unwaivered. In Orenstein's story, she gives the perspective of the average citizen who is obviously uncertain abou .....

.... so that if invaders got past the outer wall they still had to get past one or two more, this made defending the castle much easier. The walls were constructed with narrow, wedge-shaped slits in them for archers to shoot arrows at invaders. The outer walls also had holes in the floors for defenders to drop rocks down on invading people who had gotten through the first wall. These holes were called murder holes. Inside the castle were many knights, archers, and soldiers prepared to defend against anyone who breaks all of the way through the walls and gets insi .....

.... decided to regulate and censor your written word. The danger in this is what you write as an opinion may be construed by that government regulator as a violation of some regulatory act. The flip side to this is if you did this through another medium such as the phone system nothing would ever come it. The bigger question here is how much government do people want in there lives? The Internet was brought into the picture for the public as the next great technology of this century. It is without a doubt as big if not bigger than any other public means of communic .....

.... 66 MHz-166 Mhz. These processors are also now starting to become obsolete. Todays computers come equipped with 400-600 Mhz processors that can multi-task at an alarming rate. Intel has just started the release phase of it’s new Pentium III-800MHz processor. Glenn Henry is quoted to say “Megahertz is all people care about” and this is too true. Sys Technology recently came out with what they claim as the “fastest commercially available PC”. This computer runs at an astonishing 1000 Mhz or 1 Ghz. This computer is appropriately named the Cold-Fusion 1000 due t .....

.... for diodes, transistors, integrated circuits, memories, infrared detection and lenses, light-emitting diodes (LED), photosensors, strain gages, solar cells, charge transfer devices, radiation detectors and a variety of other devices. Silicon belongs to the group IV in the periodic table. It is a grey brittle material with a diamond cubic structure. Silicon is conventionally doped with Phosphorus, Arsenic and Antimony and Boron, Aluminum, and Gallium acceptors. The energy gap of silicon is 1.1 eV. This value permits the operation of silicon semiconductors de .....

.... infrastructure. is a general term for the various kinds of programs used to operate computers and related devices. (The term hardware describes the physical aspects of computers and related devices.) can be thought of as the variable part of a computer and hardware the invariable part. is often divided into application (programs that do work users are directly interested in) and system (which includes operating systems and any program that supports application ). The term middleware is sometimes used to describe programming that mediates between app .....