COMPUTER SYSTEM
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1.0. OVERVIEW OF THE COMPUTER SYSTEM
A personal computer (PC) is a computing device made up of many distinct electronic components that all function together in or order to accomplish some useful tasks such as adding up numbers in a spreadsheet or helping you write a letter. By this definition, we are describing a computer as having many distinct parts working together. Most computers today are modular. That is, they have components that can be removed and replaced with a component of similar function in order to improve performance, and each component have specific functions.
There are many different types of computers available including Mainframe, servers, Desktops, Laptops, Work stations and even hand-held portable devices. They are the most common types of computers used in homes and businesses today.
What makes one computer better suited to play a new game or new audio file over another? The answer is the components and the peripherals that make up the computer system. The requirements for a machine dedicated mainly to word processing are very different from one designed for graphics applications or gaming. Hence, it is important to determine the intended use of a computer before deciding on the type of computer and components to purchase.
1.1. APPLICATION OF COMPUTER SYSTEM
Computers play an increasingly important and nearly indispensable role in everyday life. Computers are used all over the world in all types of environment. They are used in businesses, manufacturing environment, homes, government offices and non- profit organizations. Schools use computers for instructions and for maintaining student records. Hospitals use computers to maintain patient records and to provide medical care. In addition to these uses of computers, there are also many customized computers designed for specific purposes. These computers are integrated into devices such as television, cash registers, sound system, and other electronic devices. They can be found embedded in appliances such as stoves and refrigerators, automobiles and even aircrafts, where they are used to control, send signals and output responses in these devices.
3.3 THINGS COMMON TO ALL COMPUTER SYSTEMS
As said earlier, computers are used for many reasons and in many different places. They may be of different sizes and processing power, but all computers have some features in common. In order for most computers to perform useful functions, there are three things that have to work together:
 Hardware- which is the physical component, both internal and external, that makes up a computer.
 Operating system-which is a set of computer programs, that manages the hardware of a computer.
 Application software -which are programs loaded on the computer to perform a specific function using the capabilities of the computer.
1.3 COMPUTER SYSTEM MANAGEMENT
From the ongoing discussion, computer systems are made up of many components. The computer system and its components have to be properly managed to obtain optimum efficiency and reliability, hence the question “What is management”?
Management is the act of running, coordinating, controlling a system, equipment, and even a business in other to obtain optimum results in terms of performance of that system. Thus COMPUTER SYSTEM MANAGEMENT is the act of coordinating, running, controlling, maintaining, and managing a computer system such that it is able to meet up with the expected requirements from such a computer system and as such lead to higher efficiency.
1.4 OBJECTIVE
 The objectives of this seminar work are to:
 Understand the basics of computer system.
 Know what computer system management is about.
 Have an understanding of the various parts of a computer system.
 Understand the various management practices that can be carried out on a computer system.
 Identify various problems encounter during computer system management and various actions taken to rectify problems.
 Troubleshooting of computer system and general management tips.
1.6 SCOPE OF THE WORK
This seminar work which is aimed at computer system management will span from the basics of computer system to the various components that make up the computer system and how they inter relate with one another to achieve their function. Various types of system management will be discussed including practical problems and their solution, so as to have a reliable and efficient computer system management.
This seminar work spans from this introduction into computer system management which makes up chapter one and then the various components that makes up a computer system and how they inter relate to achieve the goal of the end users in the literature review which is chapter two. Chapter three will emphasize on various management practices carried out on a computer systems, problem encountered and suggested solutions, diagnosis and troubleshooting as well as computer system management tips. Finally Chapter four will ponder on the conclusion, recommendations and references as they concern this seminar work.
CHAPTER TWO
LITERATURE REVIEW OF THE COMPUTER SYSTEM
2.0 INTRODUCTION

A computer system is a computing device made up of many distinct electronic components and their included peripherals work/function together in order to accomplish some useful tasks. Each of these components has a specific function and as such it is important that they are reviewed literally in the course of this seminar work. Hence this chapter will review the various components that make up a computer system. The computer system components include
• Motherboard
• Processor
• Memory
• Storage devices
• Power supplies
• Display devices
• Adapter card
• Ports and cable
• Cooling systems
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