Essay Database

Unauthorized instructions contained within a legitimate program. These instrcutions perform functions unknown to (and probably unwanted by) the user. b) A legitimate program that has been altered by the placement of anauthorized instructions within…

what is the meaning of Internet and people from different ages, societies and religions use Internet all the time. Internet is an abbreviation standing for an "International Network". Internet is so popular in the modern world that most of the people…

almost every area of human society to record valuable data or information , we can come across many kind of CD-ROM such as: CD, CD-R, CD-RW, VCD, DVD ect. What is the difference and how they differ between these sort of CD-ROM is the topic we are going…

Summary Structured Systems Analysis & Design Method, SSADM, is a widely used computer application development method in the UK, where its use is often specified as a requirement for government computing projects. When launched in 1981,…

to communicate instantaneously with someone thousands of miles away. Where people operate chat-rooms, have personalised addresses, so information can be routed more quickly. Where items can be purchased more quickly and cheaply and delivered to your…

a British mathematician who pioneered the basics of computer theory. Alan was born London and attended school at both Cambridge and Princeton universities. In 1936, Turing published a paper called "On Computable Numbers," which introduced the concept…

CPU has it's roots as far back as 1617 with the creation of Napier's Bones, Blaise Pascal's digital adding machine in 1642, or Charles Babbage's Difference Engine and Analytical Engine in the early 1820s - 1830s, the patent of the vacuum tube…

video games console, being able to play pirated games that cost 1/10th of the RRP, or downloading custom software off the Internet to use on your console. Imagine having the ability to do things the manufacturer of the console never intended. All…

attaching itself to another program. It is basically a self-replicating program written for destructive purpose. It interferes with the computer's operating system (the basic software that runs the computer). Viruses are designed to replicate and elude…

far the most user-friendly and easy to use operating system as it uses the easiest interface. Though other operating systems also have a Windows interface, yet going by compatibility, availability of software and features Windows is still the most popula…