CHAPTER 1.0 Introduction to using a computer Definition of a computer‚ this is an electronic device that is made up of input devices such as the keyboard and is used to capture data and instructions‚ with the help of sets of instructions it will be able to produce results or output through devices such as printers or screens. 1. Classes of computers Computers can be classified as follows: • • • • Supercomputers Mainframe computers Minicomputers Microcomputers‚ commonly called
Premium Computer Computer data storage Personal computer
Computers The Most helpful 20th Century Invention “I think it’s fair to say that personal computers have become the most useful empowering too; we’ve every created. They’re tools of communication‚ they’re tools of creativity‚ and they can be shaped by their user”. – Bill Gates Who can live without a personal computer in the 21th century? The computer as the most wondrous technological invention of the 20th century since the beginning of human era we have always tried to obtain machines to
Premium Computer Personal computer
Advantages of Using Computers Computers obviously wouldn’t be as popular as they are now if they did not offer advantages over doing tasks manually. Some of these advantages are: Computers can perform calculations much more quickly and accurately than humans. For example‚ modern computers can perform hundreds of millions of calculations per second. Large amounts of data can be stored in a small amount of space. For example‚ hundreds of pages worth of text can be stored on a 31⁄2inch floppy
Premium Computer Personal computer Word processor
Security of Computer Network System Abstract: This paper discussed the secure and dependable problem about the computer network system. On some aspects: the importance of network security‚ basic theory‚ function‚ and the method of solving a problem‚ etc. Good views for solving the problem are put forward. It strengthens people’s consciousness on network security. Key words: Computer network Virtual private network Encryption techniques Firewall Introduction: Along with the computer network
Premium Malware Computer Computer security
Tribhuvan University Institute Of Engineering Kathmandu Engineering College Kalimati‚ Kathmandu Department of Electronics and Communication Engineering PROPOSAL FOR COMPUTER CONTROLLED MODEL CAR Submitted By: Abhishek Koirala(67003) Adarsh Bhattarai(67005) Amrit Khatiwada(67008) Bijay Dulal(67025) Submitted To: Department of Electronics and Communication Engineering Thursday Jan 10‚ 2013 ABSTRACT Autonomous and semiautonomous robots have made their impact felt in industry
Premium Personal computer
Patrick White Period 7 Patrick White Period 7 How to Build a Computer How to Build a Computer Have you ever thought about building your own computer? Actually buying a motherboard and a case along with all the supporting components and assembling the whole thing yourself? Here are three reasons why you might want to consider taking the plunge: 1. You’ll be able to create a custom machine that exactly matches your needs. 2. It will be much easier to upgrade your
Premium Motherboard Personal computer Microprocessor
The use of computers is a major issue for students in today’s generation. Students entering a college or university now have the option of taking many of their courses online. There is a great deal of controversy over this issue because many people believe it will compromise the quality of education. The fact that students can receive an education from their own home is definitely a convenience‚ but the students usually fail to consider the consequences. Although they will be keeping up with the
Free University College Higher education
1.Using computers everyday can have more ‚negative than positive effect on young children. Nowadays computer play a crucial role for young generation. Mostly children dependent on computers for multifarious purposes. But some people believe that it cause obstacle between their healthy life and in acquiring practical knowledge. Lets delve deeper into the topic to seek more clarification. Firstly and most commonly‚the advanced technology make the people more lethargic. The children spend their leisure
Premium Computer Time Computing
accordingly. Michael Dell the founder and Manager of Dell computers perfectly shows all of these skills. Dell computers are a multinational computer trading company that was first established back in 1984. Dell develops‚ sells‚ repairs and supports computers and their related products and services (Dell‚ 2013). Michael S. Dell the creator of this business used his impressive entrepreneurial skills along with his fascination with computers to establish and uphold this internationally acclaimed business
Premium Dell Strategic management Management
A computer is a general purpose device that can be programmed to carry out a set of arithmetic or logical operations. There are many types of computers that we are using now like personal computers (desktop)‚ mobile computers and mobile devices‚ game consoles‚ servers‚ mainframes‚ supercomputers‚ and embedded computers [1]. Since a sequence of operations can be readily changed‚ the computer can solve more than one kind of problem[2]. Every day‚ people around the world rely on different kinds of computers
Premium Computer Computer data storage Personal computer