2203 : Operating Systems Chapter 1: Introduction What Operating Systems Do Computer-System Organization Computer-System Architecture Operating-System Structure Operating-System Operations Process Management Memory Management Storage Management Protection and Security Computing Environments Open-Source Operating Systems Saminda Premaratne What is an Operating System? A program that acts as an intermediary between a user of a computer and the computer hardware Operating system goals: Execute
Premium Operating system Computer
too dependent on computers? When we talk about computers‚ people often relate computers with modern technologies. Computer is a tool that helps us make things in our life easier. People use computers in business‚ public services‚ educations‚ even entertainment. Our daily activities are more and more based closely on the working of computer. Almost everything we do is affected by modern technology and computers. I would say that I agree that people nowadays depend on computers too much. Firstly
Premium Computer Personal computer
LECTURE 2 COMPUTERS ARE EVERYWHERE 1 – THIS LECTURE LOOKS AT A FEW SPECIFIC AREAS of SOCIETY AND WHERE COMPUTERS ARE USED » TRANSPORT » MEDICAL WORLD » AGRICULTURE » AIRLINE TRAVEL COMPUTERS ARE EVERYWHERE 2 Computers are everywhere. Our lives are directly affected when they do not operate. Computers have infiltrated our lives so we do not know how to function without them. INFORMATION AGE 3 We live in what we call the INFORMATION AGE – Evolving more
Premium Air traffic control Computer Medicine
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
Premium Personal computer Laptop Desktop computer
TYPES OF COMPUTERS The types of computers range from the Hybrid to the Analog types. The computers you come across in the daily course of your day range from laptops‚ palmtops and towers‚ to desktop computers‚ to name a few. But the very word “computers” reminds one of the desktop computers used in offices or homes. Different categories of computes have been devised in keeping with our varied needs. The Types Of Computers: Analog and Hybrid (classification based on operational principle)
Premium Computer Personal computer
APPLICATION OF COMPUTERS TO SOCIETY Computers play a great role in the society. Whether at home‚ in school‚ at the mall or in the office‚ computers significantly help in the accomplishment of various tasks. Be it at work or at play‚ computers have undeniably been utilized to perform general or specific activities that enable life to be more convenient and worry-free. Computers in Business In the field of business‚ computers are very useful. They are used in keeping records of daily sales
Premium Computer Computer-aided design Computer program
Computer Architecture 1. Describe Von Neumann architecture and explain why it is important. The Von Neumann architecture explains the architecture of an electronic computer. It is attributed to be root of every electronic computer that has ever been made. According to Von Neumann architecture an electronic computer has Control Unit‚ Arithmetic Logic Unit‚ Memory & Input / Output Devices. The following diagram shows this architecture:- Memory: - Memory holds both
Premium Computer Computer data storage
Fundamentals of Computer Topic:- Organization of Computer ( Questions & Answers) Assignment # 3 Submitted To: Ms Anum Latif Submitted By: Fatima J.Aldeen Date: 14/09/2013 Q1) Explain the functions of input and output devices. Ans) Before knowing anything about the features of these devices‚ we should know what they basically are. The information or data that’s entered or sent to the computer to be processed is considered input and anything that is displayed from the computer is output. Therefore
Premium USB flash drive Inkjet printer Typewriter
Computer addiction is a mental illness which causes the excessive use of computers to the extent that it interferes with daily life. Excessive use may explain problems in social interaction‚ mood‚ personality‚ work ethic‚ relationships‚ thought processes‚ or sleep deprivation. The Diagnostic and Statistical Manual of Mental Disorders does not include a diagnosis for such a disease. The term ′computer addiction′ originated long before the Internet. Some people develop bad habits in their computer
Premium Addiction Knowledge
Practical Computer Training Guide | Adulemedia Technologies‚ Onne | | Prepared by Burabari Adule Nkor Prepared by Burabari Adule Nkor CHAPTER ONE INTRODUCTION TO THE COMPUTER The computer is often described as an electronic machine that accepts data and process the data into information. This is to say that the computer has means of accepting data from the user and work on those data to come out with information as directed by the user. The computer is electronics. That is to say to some
Premium Microsoft Word Microsoft Office Microsoft