The entire universe is now living in the computer age; most of our day to day jobs are being influenced by the use of computers. It is used increasingly in each and every field of our life. In the areas of science and technology improvements cannot be without the use of computers. Hence it has become necessary to have basic knowledge about computers.

This project focuses on installation of computer systems and resuscitation of computer laboratory in the Department of Electrical/Electronic Engineering, Institute of Technology, Kwara State Polytechnic, Ilorin.


Title Page i

Dedication ii

Acknowledgement iii

Abstract v

Table of Contents vi


1.0. Introduction to Computer 1

1.1. Computer System 1

1.2. A Brief History of Computer System 2

1.3. Characteristic of a computer 3

1.4. Limitation of computer 4

1.5. Aims and Objectives of the Project 5

1.6. Methodology 5


2.0. The Computer System 6

2.1. The Central Processing Unit 7

2.2. Functions of Control Unit 8

2.3. Peripherals 8

2.4. How to Build a Desktop Computer 9


3.0. Installation of Operating System (Window XP) 15

3.1. Defining Drive Partitions 18

3.2. Formatting Drive Partitions 19

3.3. Customizing Your System 21

3.4. Customizing Network Setting 24


4.0. Computer Assembly, Maintenance and Troubleshooting 27

4.1. Computer System Assembly (Desktop) 27

4.2. Procedural Assembly of Computer System 28

4.3. Computer Maintenance 28

4.3.1. Hardware Maintenance 28

4.3.2. Software Maintenance 29

4.3.3. Malware 29

4.3.4. Anti-Virus 30

4.3.5. Tips for Installation of Anti-Virus 30

4.4. Computer Troubleshooting 30

4.5. Method of Troubleshooting 30

4.6. How to Troubleshooting 31


5.0. Conclusion 32

5.1. Recommendation 32

5.2. References 34


Figure 1.1 Block diagram of computer system units 1

Figure 2.1 Preparing the motherboard 9

Figure 2.2 Mounting the CPU in the socket of the Main board 9

Figure 2.3 Connect the CPU cooler to the Main board. 10

Figure 2.4 Attaching the RAM 11

Figure 2.5 Open the case and mount the power supply 11

Figure 2.6 Attach the Main board back plate to the case 12

Figure 2.7 Suitably position the Main board in the case. 12

Figure 2.8 Mount the Hard disk and connect it to the power supply 

and the motherboard. 13

Figure 2.9 Connect the SATA connectors to the drives 13

Figure 2.10 Connect the 20 or 24 pin ATX connector 13

Figure 2.11 Mount the DVD-ROM drive. 14

Figure 2.12 Select a compatible operating system 14

Figure 3.1 Setup is inspecting your computer hardware configuration 16

Figure 3.2 The BIOS 16

Figure 3.3 Window Setup 17

Figure 3.4 To setup window Xp 17

Figure 3.5 Window XP Licensing Agreement 18

Figure 3.6 Creating of partitions 19

Figure 3.7 Deleting partitions 19

Figure 3.8 Formatting Partition with NTFS 19

Figure 3.9 Setup formatting 19

Figure 3.10 Setting Date and Time 22

Figure 3.11 Inserting Name for desktop 22

Figure 3.12Operating system Product key   23

Figure 3.13 Customizing network setting 24

Figure 3.14Booting to the desktop26

Figure 3.15 Enter passwords to login to desktop 26




Computer is an electronic device which is capable of receiving information (data) in a particular form and of performing a sequence of operations in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the form of information or signals [1].

A computer accepts and then processes input data according to the instruction it is given. The main components of a computer system are Input, Output, Processing and Storage units as shown in Figure 1.1.

Backing Storage

Main Storage







Figure 1.1: Block diagram of computer system units


The computer had its beginning with a 19th century English mathematics professor named Charles Babbage.He designed the Analytical Engine and it was this design that the basic framework of the computers of today is based on. Computers can be classified into three generations. Each generation lasted for a certain period oftime,and each gave us either a new and improved computer or an improvement to the existing computer. The computer generations are:

1. FIRST GENERATION (1937 – 1946)

In 1937 the first electronic digital computer was built by Dr. John V. Atanasoff and Clifford Berry [2]. It was called the Atanasoff-Berry Computer (ABC). In 1943 an electronic computer name the Colossus was built for the military. Other developments continued until in 1946 the first general– purpose digital computer, the Electronic Numerical Integrator and Computer (ENIAC) was built. It is said that this computer weighed 30 tons, and had 18,000 vacuum tubes which was used for processing. When this computer was turned on for the first time lights dim in sections of Philadelphia. Computers of this generation could only perform single task, and they had no operating system.

2. SECOND GENERATION: 1947 – 1962

This generation of computers used transistors instead of vacuum tubes which were more reliable. In 1951 the first computer for commercial use was introduced to the public; the Universal Automatic Computer (UNIVAC 1) [3]. In 1953 the International Business Machine (IBM) 650 and 700 series computers made their mark in the computer world. During this generation of computers over 100 computer programming languages were developed, computers had memory and operating systems. Storage media such as tape and disk were in use also were printers for output.


The invention of integrated circuit brought us the third generation of computers [4] With these invention computers became smaller, more powerful more reliable and they are able to run many different programs at the same time. In1980 Microsoft Disk Operating System (MS-Dos) was born and in 1981 IBM introduced the personal computer (PC) for home and office use. Three years later Apple gave us the Macintosh computer with its icon driven interface and the 90s gave us Windows operating system.



Computer is very fast calculating device. It can execute basic operations like subtraction, addition, multiplication and division at a few microseconds. It can move and copy data at a speed in the order of billion instructions per second.


Computer always gives accurate results. The accuracy of Computer does not go down when they are used continuously for hours together. It always gives accurate results.


Computer has a very large storage capacity. A large volume of information can be stored in the memory of computer and information can be retrieved correctly when desired.


The working of computer with different types of data is known as versatility. That means computer can perform different types of job efficiently. Computer can work with different type of data and information such as visuals, text, graphics & video etc. So, versatility is a most important characteristic of computer.


A Computer can work for long hours with the same accuracy and speed because it is free from problems of boredom or lack of concentration.


Computers have no thoughts because they are machine and they are devoid of emotions. They have no feelings. Since, computers have no thoughts and feelings so they can't make judgment based on thoughts and feelings.


Computer is very intelligent machine but it also suffers from many limitations such as:

⦁ Computer cannot do anything unless they are just programmed to perform a specific task.

⦁ Computers cannot interpret the data they generate.

⦁ Computers cannot detect if the operator feeds any wrong data to it.

⦁ Computers cannot decide how they are to be programmed or provide their own input.

⦁ Computers cannot implement the decision that they suggest.


The primary aim is installation of computer systems and resuscitation of computer laboratory.

The specific objectives are:

⦁ To understand the basic interaction between all the stages involved in computer installation

⦁ To be able to recognize all components and drives including hardware and software

⦁ To have deep understanding on how to troubleshoot a computer system when it develops technical faults

⦁ To know how to carried out system configurations and software installation

⦁ Finally, to build up a computer system for Electrical-Electronic computer laboratory.


A computer installation can be assembled through various means but in this project the computer installation was assembled by selecting all the materials components needed for the assembling and software system installation. All the hardware components selected for the project are bought including the tools and software needed.

After the assembling of the system unit then operating system was loaded on the computer system and the operating system installed on the computer is Window XP because of it functionality and easy compatibility with other application software, likewise, on antivirus software was installed on each of the computer.



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