DISASSEMBLING AND ASSEMBLING OF A DESKTOP COMPUTER SYSTEM

LIST OF FIGURES

Figure 1: Computer System                                                                                        18

Figure 2: Basic Computer Organization                                                                     19

Figure 3: Motherboard                                                                                                21

Figure 4: Hard disk                                                                                                     24

Figure 5: Keyboard                                                                                                     25

Figure 6: Mouse                                                                                                          26

Figure 7: Monitor                                                                                                        28

Figure 8: HP Compaq                                                                                                 33

Figure 9: Bluegate 653 VA UPS                                                                                36

Figure 10: HP Compaq                                                                                               38

CHAPTER ONE

INTRODUCTION

1.1       Background of Project

A computer can be said to be a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.  Early computers were only considered as calculating devices. Since ancient times, simple manual devices like the abacus aided people in doing calculations (Wikipedia contributors, 2021).

According to the Oxford English Dictionary, the first known use of the word "computer" was in 1613 in a book called The Yong Mans Gleanings by English writer Richard Braithwait: "I haue [sic] read the truest computer of Times, and the best Arithmetician that euer [sic] breathed, and he reduceth thy dayes into a short number." This usage of the term referred to a human computer, a person who carried out calculations or computations. The word continued with the same meaning until the middle of the 20th century. During the latter part of this period women were often hired as computers because they could be paid less than their male counterparts (Evans, 2018). By 1943, most human computers were women (Smith, 2013). More sophisticated electrical machines did specialized analog calculations in the early 20th century where introduced. The first digital electronic calculating machines were developed during World War II. The first semiconductor transistors in the late 1940s were followed by the silicon-based MOSFET (MOS transistor) and monolithic integrated circuit (IC) chip technologies in the late 1950s, leading to the microprocessor and the microcomputer revolution in the 1970s. The speed, power and versatility of computers have been increasing dramatically ever since then, with transistor counts increasing at a rapid pace (as predicted by Moore's law), leading to the Digital Revolution during the late 20th to early 21st centuries (Wikipedia contributors, 2021).

Computer systems have become an essential part of life, having significant impact on modern society. A computer system consists of hardware components that have been carefully chosen so that they work well together and software components or programs that run on the computer (TechTarget, 2018). It is a set of integrated devices that are designed to receive, process, manage and present information in a meaningful format (PEDA, 2021). A computer may be analog, digital, or hybrid, although most today are digital. Digital computers express variables as numbers, usually in the binary system. They are used for general purposes, whereas analog computers are built for specific tasks, typically scientific or technical. The core of any computer is its central processing unit (CPU), commonly called a processor or a chip; it consists of an arithmetic-logic unit to carry out calculations, main memory to store data temporarily for processing, and a control unit to control the transfer between memory, input and output sources, and the arithmetic-logic unit (Encyclopedia of Business, 2021).

The distinction between a computer and a computer system is largely academic, since the terms are used interchangeably (Encyclopedia of Business, 2021). A complete computer including the hardware, the operating system (main software), and peripheral equipment required and used for full operation can be referred to as a computer system. This term may as well be used for a group of computers that are connected and work together, in particular a computer network or computer cluster.

1.2       Statement of Problem          

Computer system is a basic, complete and functional hardware and software setup with everything needed to implement computing performance; although its assemblying and disassembling seems like a difficult job, once an individual get used to it,  it will be realize that it is easier to be done. Assembling a computer system means connecting different components of a computer so that users can use the computer.  Thus this research work will therefore focus on the assembling and disassembling of a computer system from the point of unplugging a computer to the point of rebuilding it effortlessly.

1.3       Aim and Objectives

The aim of this research work is to disassemble a computer system and assemble all the various components back into a computer system.

Other objective of the study is to:

• Identify all the various components of a computer system

·         Examine the importance of each components in the computer system

·         Carryout the assembling and dissembling of a computer system.

1.4       Significance of Project

The study will provide useful information for the review of related literature on the various components of a computer system and how they can be assembled to form a computer system. Findings of the study will enlighten upcoming computer scientist about the computer system.

1.5       Scope of Project

This study will only focus on the computer system and its hard ware components alone. The hardware components include the CPU, Monitor, Mouse, and Keyboard which will be use to computer if the system is proper assembled.

1.6       Limitations of Project

Some limitations that the researcher faced are: time limitation and cost. Another limitation is that the researcher is not well conversant with the steps in carrying out a research work. This being the researcher’s first attempt at a study of this nature.

1.7       Definition of Terms

Assembly: This is the action of fitting together the component parts of a machine or other object.

Disassembly: This means to take (something) to pieces.

Computer: This is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

Computer system: This is a set of integrated devices that input, output, process, and store data and information.

Central Process Unit: CPU is the portion of a computer that retrieves and executes instructions; it is the unit which performs most of the processing inside a computer.

Computer Monitor: This is an output device that displays information in pictorial form.

Computer Mouse: This is a hand-held pointing device that detects two-dimensional motion relative to a surface.

Keyboard: This is one of the primary input devices used with a computer; it composed of buttons used to create letters, numbers, and symbols, and perform additional functions.

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