Computer is a processing machine which processes raw data to produce meaningful data. It has tremendous change with comparison to calculator. Characteristics of Computers: - Computers have got their importance due to the following characteristics: - 1. Accuracy: - Computer performs every operation with equal and high accuracy. Errors can occur in a computer due to only human mistakes‚ weaknesses and imprecise thinking. 2. Repeatitiveness: - Once the set of instructions are permanently
Premium Computer Microprocessor Mainframe computer
contrasting PCs and mainframes POS/355 February 27‚ 2012 Comparing and contrasting PCs and mainframes Mainframes and personal computers have gone through an evolution‚ which computing power contains several times more than the past years. Personal computers (PC) are used by individuals one at a time‚ which are design to be use at home and office. PC is a small powerful system‚ with advanced graphical user interfaces‚ which support many output devices. Mainframes are costly computer‚ with many
Premium Personal computer Computer
History of Computers‚ and the History of Computers in Education 1780 - Early public schools adopt the teacher/manager model with the teacher as the primary manger of instruction and assessment in a single classroom. 1946 - First vacuum tube-based computers developed; universities help in computer development effort; technology used in war effort. 1951 - Little technology used in schools‚ primarily TV; baby boom begins with resulting increases in class size; first-generation Univac computer delivered
Premium Elvis Presley Computer Spacecraft
size[edit] Microcomputers (personal computers)[edit] Microcomputers are the most common type of computers used by people today‚ whether in a workplace‚ at school or on the desk at home. The term “microcomputer” was introduced with the advent of single chip microprocessors. The term "microcomputer" itself is now practically an anachronism. These computers include: * Desktop computers – A case and a display‚ put under and on a desk. * In-car computers (“carputers”) – Built into a car‚ for
Premium Personal computer Computer Mainframe computer
Classification of computers Created by: Valuta Iuliana Module: Information and Communication Technology Teacher: Peter Laszlo Created by: Valuta Iuliana Module: Information and Communication Technology Teacher: Peter Laszlo * Table of Contents 1 Types of computers 2 1.1 Microcomputers 3 1.2 Minicomputers 5 1.3 Mainframe computers 5 1.4 Supercomputer 5
Premium Computer Laptop Personal computer
Super Computer The fastest type of computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. For example‚ weather forecasting requires a supercomputer. Other uses of supercomputers include animated graphics‚ fluid dynamic calculations‚ nuclear energy research‚ and petroleum exploration. The chief difference between a supercomputer and a mainframe is that a supercomputer channels all its power into executing a
Premium Mainframe computer Computer Personal computer
A computer is one of the most brilliant inventions of mankind. Thanks to computer technology‚ we were able to achieve storage and processing of huge amounts of data; we could rest our brains by employing computer memory capacities for storage of information. Owing to computers‚ we have been able speed up daily work‚ carry out critical transactions and achieve accuracy and precision at work. Computers of the earlier times were of the size of a large room and were required to consume huge amounts of
Premium Computer Personal computer Mainframe computer
Computers and Society The decade of the 1980’s saw an explosion in computer technology and computer usage that deeply changed society. Today computers are a part of everyday life‚ they are in their simplest form a digital watch or more complexly computers manage power grids‚ telephone networks‚ and the money of the world. Henry Grunwald‚ former US ambassador to Austria best describes the computer’s functions‚ "It enables the mind to ask questions‚ find answers‚ stockpile knowledge‚ and devise
Premium Computer Personal computer Server
0 INTRODUCTION 1.1 Overview 1.2 Justification 1.3 In brief 2.0 TYPES OF COMPUTERS 2.1 Defining a computer 2.2 Four types of computers 3.0 CONCLUSION 3.1 Summary 3.2 Insights 3.3 Recommendations 1.0 2.0 INTRODUCTION 1.1 Overview A computer is an electronic device that receives (input) data‚ processes that data‚ stores data and produces results (output). Computer can be classified according to their data representation that is functionality‚ based on
Premium Computer Mainframe computer Personal computer
and telecommunications AREAS AND USES OF COMPUTER: * EDUCATION Computers are used in schools for teaching Computers are used for mathematical calculation Students can do their work by using computer * BANK Computers are used in banks for storing information about different account holders. Computers help in keeping a record of the cash. Computers help in giving all kinds of information regarding any account in the bank * ENTERTAINMENT Computers are used for playing games‚ listening to
Premium Computer