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
Supercomputer Supercomputer is a broad term for one of the fastest computers currently available. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations (number crunching). For example‚ weather forecasting requires a supercomputer. Other uses of supercomputers scientific simulations‚ (animated) graphics‚ fluid dynamic calculations‚ nuclear energy research‚ electronic design‚ and analysis of geological data (e.g.
Premium Personal computer Laptop
SYLLABUS Cambridge International AS and A Level Computing 9691 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations
Premium Computer Object-oriented programming Programming language
Types of computers Firstly‚ what is a computer? Well‚ a modern computer is typically an electronic or digital device that manipulates data. Computers can execute a pre-recorded list of instructions know as a “programme”. Large amounts of data can be stored on computers and be quickly accessed‚ edited and stored. When it comes to computers there are several different types: * High Performance System (HPS) * Workstations * Personal Computer * Laptop / Notebook * Palmtop These
Premium Personal computer
Introduction to computer Basics Background This topic will discuss the introduction to the use of the computer in the business area‚ including the basic hardware and software concepts. Information technology (IT) is one of the key resources in the modern business environment. We have lived during the past 20 years in a period that has strongly emphasised the strategic importance of information technology. Consequently‚ those currently involved in management have a clear vision of the technology’s
Premium Operating system Computer Personal computer
Computer Concepts – Illustrated 8th edition Objectives * Define computers *Explore how computers work *Categorize computers *Examine personal computers *Introduce software *Introduce the Internet and the Web *Understand email basics Defining Computers Computer * An electronic device that: * Accepts input * Processes data * Stores data * Produces output * Uses instructions in stored programs Personal computer (PC) Computer system
Premium Personal computer Internet
Computer Systems Individual Computer Systems Designing‚ and Configuring Computer Systems for DIGITEL WORLD Designing Company 1. Understand the function of computer systems. 2. Be able to design computer systems. 3. Be able to build and configure computer systems. 4. Be able to undertake routine maintenance on computer systems. Name: - Kasun NayanaKelum Batch No: - IT K 31 1|Page IT K Batch 31 Computer Systems Individual Acknowledgement I am more grateful to my lecturer Mohamed Shafeer
Premium Serial ATA Hard disk drive Computer
A COMPUTER VIRUS A case study presented to Dr.Pedro D. Abanador In partial fulfilment of the requirements in the subject RES323- Research Methodologies Leading to the degree Bachelor of Science in Information Technology Presented by: Estimada‚ Ronald B. BSIT-3A2 February 4‚ 2014 CHAPTER I THE PROBLEM AND ITS BACKGROUND Introduction A computer virus is a small software program that spreads from one computer to another
Premium Computer virus Computer Malware
UNIT-I INTRODUCTION INTRODUCTION TO COMPUTER The term “Computer” is derived from the Latin word “Computare” which means “to compute” or “to calculate”‚ so it is considered to be calculating device. In fact‚ the main objective of inventing the computer was to create a fast calculating machine. But now-a-days more than 75% of non-mathematical or non-numerical work is carried out by the computers. Today‚ computer technology has spread to every sphere of existence of modern man‚ from railway
Premium Computer Personal computer Computer data storage
Introduction There is a profound effect of the computer revolution to our school‚ our home and our society in general. Computers plays a big role in different application such as airline industry‚ medicine‚ banking industry‚ television and movies‚ factory‚ offices‚ schools‚ business and even at home. Businesses are using computers to improve their efficiency‚ reduce their cost of operation‚ and to have a more timely and accurate reports. Indeed‚ computer as a result‚ produce a variety of benefits that
Premium Computer