Basics of Computer
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About this ebook
Basics of Computer, Third Edition
The fact that computer can increase productivity, and a good understanding of the software running on it can further make you more productive at doing everything, however, doesn't make it inherently easy for everyone to use. For many people, technologies and terminologies are a bit terrifying or downright daunting.
Basics of Computer, Third Edition, eradicates any intimidation about the computer. With a minimal investment of time, you'll soon able to understand basic concepts and perform simple tasks on your computer.
Chapter-wise approach provides navigation through the contents, easy to grasp the language, clear technical definitions, and appropriate illustrations provide an understandable read to students.
Basics of Computer will serve as a toolkit for naive and experts as well. It fits best for those who want to know about technology and curious about computers. The plain English explanations are extremely useful. With this book, you will truly learn something new each day.
Basics of Computer, Third Edition will equip you
- To Learn Computer Concepts in Plain English
- To Learn Practical Computer Skills Needed for Everyday Life
- To Maintain Hardware and Software by Using Safe Lab Procedures and Tool
- To Make You Productive by Using Productivity Software (Word, Excel, Access)
- To Use Microsoft Excel for Inter-conversion of Number Systems
- To Identity Impacts of Computer and Internet on Society
- To Learn and Improve Skills with Top 20 Free and Online Resources
- To Deal with Spam E-mails
- To Understand the Fundamental concepts of Networking
- To Share and Use a Printer on a Local Network
Order Your Copy of Basics of Computer, Third Edition Today.
Muhammad Umar
MUHAMMAD UMAR holds a master’s degree in Computer Science with a major in Database. He is the founder of www.basicscomp.com and www.typing12.com. He has written and published more than 200 articles online. In addition to this, the author has written three books on the subject Computer Education, published by Talent Publishers. He is a Microsoft Office Specialist certified by Microsoft Corporation.He is passionate about helping students and professionals to grasp the basic and advance concepts of computer in an easier and practical way. He has taught computer at primary and secondary levels.MUHAMMAD UMAR can be reached at umar@basicscomp.com.
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Basics of Computer - Muhammad Umar
BASICS OF COMPUTER
––––––––
Third Edition
––––––––
MUHAMMAD UMAR
Copyright
Basics of Computer 3rd Edition © Copyright 2020, Muhammad Umar
All rights reserved. No part of this book may be reprinted or reproduced or utilized in any form or by any electronic, mechanical or other means now known or hereafter invented, including photocopying and recording, or in any information storage or retrieval system, without permission in writing from the author.
Although the author has made every effort to make sure that the information provided in this book was correct, the author does not assume and hereby disclaims any liability for any loss, damage, or disruption caused by errors or omissions, whether such errors or omissions result from negligence, accident, or any other cause.
Website: www.basicscomp.com
Email: book@basicscomp.com
Facebook:facebook.com/basicscomp
Twitter: twitter.com/basicscomp
Instagram: instagram.com/basicscomp
About This Book
The fact that computer can increase productivity, and a good understanding of the software running on it can further make you more productive at doing everything, however, doesn’t make it inherently easy for everyone to use. For many people, technologies and terminologies are a bit terrifying or downright daunting.
Basics of Computer, Third Edition, eradicates any intimidation about the computer. With a minimal investment of time, you’ll soon able to understand basic concepts and perform simple tasks on your computer.
Chapter-wise approach provides navigation through the contents, easy to grasp the language, clear technical definitions, and appropriate illustrations provide an understandable read to students.
This book will serve as a toolkit for naive and experts as well. It fits best for those who want to know about technology and curious about computers. The plain English explanations are extremely useful. With this book, you will truly learn something new each day.
I forward my sincere appreciation to my best friend Ayatullah (BS Computer Science) for his continuous support and encouragement, particularly for proofreading the manuscript time and again, and helping me throughout self-publishing.
I request students and readers to leave comments, suggestions, and feedback so that the book can further be improved.
Muhammad Umar
umar@basicscomp.com
Dedication
This book is dedicated to my father and brother. I have couldn't have done it without them.
TABLE OF CONTENTS
INTRODUCTION TO INFORMATION TECHNOLOGY
Information Technology
Data
History of Computing
Introduction to Computer Hardware
INTRODUCTION TO PERSONAL COMPUTER
Personal Computer
Safe Lab procedures and Tool Usage
Basics of Preventive Maintenance and Troubleshooting
Virus and Antivirus
Fundamental of Operating System
Fundamental of Laptops and Portable Devices
Fundamental of Printers and Scanners
STORAGE DEVICES
Main/Primary Memory
Secondary Memory
Introduction to Microprocessor
Introduction to Different Technologies of Microprocessor
SOFTWARE AND ALGORITHM
Software
Flowcharts
Concepts of Programming Languages and Their Types
Compiler
Interpreter
Assembler
PRODUCTIVITY SOFTWARE PACKAGES
Word Processor
Spread Sheet
Database
CAD/CAM
NUMBER SYSTEMS AND THEIR NTERCONVERSION
Number System
Interconversion
Computer Codes
IMPACTS OF COMPUTER AND INTERNET ON SOCIETY
Uses of Computer
Misuses of Computer
FUNDAMENTALS OF NETWORKING
Network and its Types
Topologies
Network Devices
About the Author
Other Books by Same Author
A Humble Request
Social Media
CHAPTER 1
INTRODUCTION TO INFORMATION TECHNOLOGY
IN THIS CHAPTER
Information Technology
Computer
Computer Definitions
Differences between Computer and Calculator
Opening Calculator on Windows 10
Data
Types of data
Information
Differences between data and information
Creating a New Folder
History of Computing
Dark Ages (3000 B.C - 1890 A.D.)
The Middle Ages (1890 A.D. - 1944 A.D.)
The Modern Age (Since 1944)
Introduction to Computer Hardware
Input Devices
Output Devices
Deleting a File or Folder
Restoring a File or Folder from Recycle Bin
Shutting Down Computer Using Only Keyboard
Information Technology
The use of computers, software, and telecommunication equipment for data handling is called Information Technology (IT), which is also known as Information and Communication Technology (ICT). It deals with the manipulation of information with the help of computers and software. It processes, stores, protects, transfers, and retrieves information. Although the term ICT applies to computers it also covers other information distribution systems such as radio, telephone, and television.
Computer
The term computer can be used for any kind of calculating device that can perform simple or complex computations. In a nutshell, any device capable of performing calculations is referred to as a computer. In general, the term is applied only to an electronic digital computer that comes with a Central Processing Unit (CPU), keyboard, mouse, and monitor.
An open computer sitting on top of a table Description automatically generatedFigure 1: A desktop personal having CPU, LCD, Keyboard, and Mouse.
Computers are now an integral part of our lives, we come across with computers in one way or another in our daily life. For instance, visiting a bank to withdraw or deposit money, reserving a seat, or buying a product online, involve interaction with a computer or computer system explicitly or implicitly. Let me define it formally.
Definition # 1:
A computer is a complex machine which receives data in the form of input, processes it and finally gives result in the form of output.
Definition # 2:
A computer is an electronic device with the capability of accepting data, running predefined processes on data, and providing outputs of these processes.
Definition # 3:
A computer is an automatic device that processes provided input data in a predefined way and supplies the required results.
Definition # 4:
A computer is a computational device that gets data from several input devices. It processes the given data through a set of stored instructions at a very high speed and precision. Once required processes on data are completed, the result is provided on output devices.
Differences between Computer and Calculator
A computer is an electronic machine that allows you to solve problems. This basic definition also fits on a simple calculator (See figure 2). However, there are four major differences between computer and calculator which are listed below.
A close up of a calculator Description automatically generatedFigure 2: A calculator with the capability of solving simple algerbaic operations.
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