Computer Fundamentals Computer is an electronic device that manipulates data according to set of instructions and produce a meaningful result. • Computers are not very intelligent devices‚ but they handle instructions flawlessly and fast. • They must follow explicit directions from both user and computer programmer. • Computers are really nothing more than a very powerful calculator with some great accessories. • Applications like word processing and games are just a very
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Classifications of Computers According to the U.S. Census "Forty-four million households‚ or 42 percent‚ had at least one member who used the Internet at home in 2000" (Home Computers 2). Today‚ no doubt‚ even more family members in the United States use computers. Most people are aware of the desktop computers which can be found in the home and in the workplace. What are the different types of computers and what are their purposes? Computers can be classified into three different categories
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Computer Memory Basics Although memory is technically any form of electronic storage‚ it is used most often to identify fast‚ temporary forms of storage. If your computer’s CPU had to constantly access the hard drive to retrieve every piece of data it needs‚ it would operate very slowly. When the information is kept in memory‚ the CPU can access it much more quickly. Most forms of memory are intended to store data temporarily. As you can see in the diagram above‚ the CPU accesses memory according
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Introduction to Computing A Journey Towards The Computing World This book provides the introduction to the basic concepts related to the computing field. It also provides you the brief and clean introductory class about various types of the computers. Author: Ali Asghar Manjotho 12/25/2007 A word about the Author and the Book This book is written‚ composed‚ and organized by Mr. Ali Asghar Manjotho — studying at Computer Systems Engineering Department under the kind umbrella of Mehran University
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Computer Keyboard (1874 – 1982) Although the first Computer Keyboard came out in 1964‚ it was a long evolution process from 1874-1982‚ to form the modern computer keyboard as we know it... One of the most common electronic input devices available nowadays is the “computer keyboard”. The “keyboard” enters instructions and data into the “memory” of the “computer”. “Keyboards” are used to “program”‚ operate and manage files and programs on a computer “interface”. This is accomplished by users
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Chapter 1. Introduction to Computer Organization and Computer Evolution I. Computer Organization and Computer Architecture In describing computers‚ a distinction is often made between computer architecture and computer organization. Although it is difficult to give precise definitions for these terms‚ a consensus exists about the general areas covered by each. Computer Architecture refers to those attributes of a system visible to a programmer or‚ put another way‚ those attributes that have a
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Part 1: Investigation Web Sites Chapter 4 in the textbook contains links to several web sites which are important to understanding computer investigations. In this section‚ list the web sites discussed in the chapter and include their Internet links along with a brief description of what is contained at each of these sites. www.perlustro.com Expert Computer Forensic Analysis: Specialized techniques for data recovery‚ evidence authentication and analysis of electronic data far exceeding normal
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History of Computer Addictive and Meaning: Computer addiction was noticed in 1973 in some people. The addiction is a mental illness which causes the excessive use of computers to the extent of it interfering with daily life. Its excessive use may also explain problems in social interaction‚ personality‚ mood‚ work ethic and relationships. Computer addiction is the excessive use of computers to the extent that it interferes with daily life. Excessive use may explain problems in social interaction
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THE UNMET NEED FOR FAMILY PLANNING ON FERTILITY LEVELS IN UGANDA: INTRODUCTION: Background: The world population grew to 7 billion on 31s t October 2011 of which 97% of the population was for developing countries .The total fertility rate for developed countries ranged from 1.4 and 1.3 or even less.MDCS Birthrates have declined since the baby boom era in 1960 from 3.6 to 2.0. (Carl Haub 2012). Countries that have the lowest fertility rates include Poland‚ Portugal‚ Romania 1.3%‚ Singapore and
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HISTORY OF THE COMPUTER ARTICLE WRITTEN BY: ADEBOWALE ONIFADE ELECTRICAL ELECTRONIC ENGINEERING DEPARTMENT UNIVERSITY OF IBADAN NIGERIA REGION 8 HISTORY OF THE COMPUTER ABSTRACT This paper takes a keen look at the history of computer technology with a view to encouraging computer or electrical electronic engineering students to embrace and learn the history of their profession and its technologies. Reedy (1984) quoted Aldous Huxley thus: “that men do not learn very much from the
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