This book serves as an introductory guide to computer literacy, aimed at students pursuing certificate or diploma courses. It covers essential computer skills including understanding hardware, operating systems, office software, and internet networking, along with practical exercises to reinforce learning. The author, Ali Osman Abdulle, aims to prepare readers for effective computer use in technological and educational contexts.

1. This book is designed for you to understand computer as basic, and is also intended for students who
have studied this book to become computer literate in the form of certificate or diploma courses, we
hope you understand a great deal about computer general components.
PREPARED By:
Ali Osman Abdulle
ICT Lecturer
Shaqoabur
[Nairobi-Kenya, 00100]
Tel: [+254-728-344169]
[valanjis69@gmail.com]

2. EXECUTIVE SUMMARY
A computer is an electronic device that manipulates information, or data. It has the
ability to store, retrieve, and process data. You may already know that you can use a
computer to type documents, send email, play games, and browse the Web.
THE PROBLEM
So, in simple words you can say that computer is an
electronic device which is used for fast calculation.
Some people say that COMPUTER stands
for Common Operating Machine Purposely Used for
Technological and Educational Research.
one that computes specifically : a programmable
usually electronic device that can store, retrieve, and
process data using a computer to design 3-D models.
THE
SOLUTION
Computers are used to perform
several tasks in industries
like managing inventory, designing
purpose, creating virtual sample
products, interior designing, video
conferencing, etc. Online marketing
has seen a great revolution in its
ability to sell various products to
inaccessible corners like interior or
rural areas..

3. Contents…
Basic computer knowledge is about how computers work and how to use them. This may include typing,
learning keyboard commands, powering a computer on and off, knowing how to connect and disconnect
the Internet to a computer. It can help you understand different operating systems and application
software.
Understanding the various types of basic
computer skills will help you to better
understand what skills may be required for
your field. In this article, we define the
various types of basic computer skills, how to
improve them and how to include them on
your resume.
01
Keyboarding
02
Operating systems
03
Office packages-Word/Excel
04
Internet/Networking
BASICS
- Keyboarding
- Operating
systems
- Office packages
- Internet/Networki
ng
01 ADVANCE
- Editing/Multimedia
- Ms Access
- Ms PowerPoint
- PC maintenance
02 ASSOCIATES
- Web design
- Local area
networking
- Animations
- Programming
03

4. What is computer?
Here you will find a general understanding of how computers work and the need for a computer.
Centuries ago the computer was unknown but other devices were used, in the 21st century there was an
increase in the use of computers in the world.
Computer hardware
Input devices
An input device is essentially a piece of hardware that sends data to a computer. Most
input devices either interact with or control the computer in some way. The most
common input devices are the mouse and the keyboard, but there are many others.
- Keyboard
- Scanner
- Mouse
- Digital camera

5. Output devices
For example, the content is fed into the computer through an input device called a
keyboard, and one can read it on an output device called a monitor.
- Monitor
- Printer
- Headphones
Chapter one: Keyboarding
Keyboarding is a skill to learn the simplest techniques you can use when you need to use Keyboard,
computer functions when you want to memorize you should learn the following techniques:
For Ms Window 10/8/7
Shortcuts Functions
1. Ctrl + esc
2. W + R
3. Alt + f4
4. W + D
5. Ctrl + W
6. W + E
7. Ctrl + shift + N
8. Alt + Tab
9. W + L
10. W+Crtl+D
11. W+I
12. W+ A
13. W+ T
14. W + M
15. W+Alt+D
1. Start menu for window 10
2. Start run box
3. To close window or shut down computer
4. To show desktop
5. To close opening window
6. To open my computer hard drives
7. To create new folder on desktop by
keyboard
8. To select opening windows one of them
9. To logout window screen
10. To create new desktop window 10
11. To explore window setting
12. To show notifications on desktop
13. To select one icons on taskbar
14. To minimize opening windows at once
15. To open date and time on desktop by
keyboard
Typing methods
Here you will learn how to use a computer especially typing speed as basic; when you want to
understand the use of keyboard by learning typing methods.
Short forms Types in order
ASDF
;LKJ
QWER
POIU
Queen is dying for thirsty
People expected to flee
You are one of them
Xmen were roofing and been verifying
Exercise 1
1. To shut down computer or logout what is the operation as keyboard?

6. Chapter two: Operating systems
Ms DOS and MS Window when you learning it is important to understand the basics for computer
operating system and this the essence of computer work, without operating a computer is not exist.
Disk Operating System-Command prompt
Commads prompt Functions
1. W + R
2. CMD
3. Alt + Enter
4. Cd..
5. Cls
6. Exit
7. Dir
8. Copy con ali.212 ctrl +Z
9. Type ali.212
10. Md Abdi
11. Cd Abdi
12. Del ali.212
13. Rd Abdi
14. Copy ali.212 c:abdi
15. Start winword/excel
1. W+R is operations for pressing window
button together with R stands for run box
2. Then in the box type CMD stands for
command prompt
3. To make full screen press alt + enter
4. To remove the long line type cd.. stands
for call directory
5. To clean screen type cls
6. To close or retun back to window type exit
7. To display files created type Dir stands
directory
8. To create a new file type copy con stands
create file together with filename and
extension such ali.123
9. To open a file created type on c:> type
ali.123
10. To create a folder or directory name type
md abdi
11. To call director or open folder type cd abdi
12. To delete a filename by drive c command
prompt type del ali.123
13. To remove directory from drive C type rd
abdi
14. To copy files to directory type copy
filename to directory name
15. To run microsoft word and excel at
command prompt type start to winword
Exercise 2
1. To delete file or open Microsoft word by command prompt what is the operation?

7. Microsoft Window 10/Enable versions
In this section you will learn how to use windows especially windows 10, as below you will understand
the use of windows 10 and how to operate a computer as a basic.
Ms Window 10 Functions
1. Desktop
 Recycle bin
 Folder
 Right click commands
2. Taskbar
 Task manager
 Taskbar setting
3. Start menu
 Power
 Setting
 Control panel
Recycle bin
- Empty recycle bin
- Property
Folder
- Create folder by mouse
- Create folder by keyboard
- R/C folder operations
- Folder property
Right click commands
- Personalize
- New
- View
- Sort
Task manager
- Run new task
- End task
Taskbar setting
- Background
- Themes
- Lock screen
Power
- Shutdown
- Restart
Setting
- Accounts
- Time and languages
Control panel
- Program and features
- User accounts
Exercise 3
1. To create new account or hide icons on desktop what is the operation you are needed?

8. Chapter three: Office packages
Microsoft office word and Microsoftw excel are two packages designed to work in offices and businesses
and it is important that you learn this simple approach.
Word processing Functions
Home
1. Paragraph
2. Font
3. Clipboard
4. Styles
5. Editing
Insert
6. Illustrations
7. Tables
8. Text
9. Header/Footer
Page layout
10. Themes
11. Page setup
12. Page background
1. Align text to left
2. Start a bulleting list
3. Start coloring and shading
4. Change the font face
5. Make the selected text bold
6. Increase font size
7. Paste the content in clipboard
8. Change style for sentence
9. Find text or replace word to word
10. Insert a picture from file
11. Insert readymade shapes
12. Insert or draw table into document
13. Insert preformatted text boxes
14. Insert decorative text in your doc
15. Insert a page number in your doc
16. Change the color for current page
17. Split text in to two columns or more
18. Add or change the border of your page
Spreadsheet Functions
Home
1. Number
2. Cells
Insert
3. Charts, sorting and filtering
Formula/Data
4. Sum and average
5. Drop down list
19. Choose an alternate currency format for
selected text
20. Insert cells, rows and columns to your
active sheet
21. Insert charts and stocks in active cell
22. Calculate the entire workbook or sheet
23. Show the dialog of text in different
directions
Exercise 4
1. To add A1 to C4 total and change format of your text what is the operation as keyboarding?

9. Chapter four: Internet/Networking
Here you will learn how to connect your computer to the internet such as hotspot network, router
network, cabling network as well as emailing.
Internets Functions
1. Emails
- Creating emails
- Browsing
2. Networking
- Hotspots network
- Cabling network
- Router network
1. How to create Gmail, Hotmail and Yahoo
2. How to retrieve or replace forgotten
passwords
3. How to use chrome or Firefox browsers
4. How to connect your phone to computer
5. How to use your mobile as local area
6. How to use your mobile as router
7. How to create file and storage sharing in
computers
Exercise 5
1. To connect your phone and see files what is the operation you do?

10. Test your skills
In this section you will test and practice what you learn at this book before your graduation and completed
certificate course, answer all these below questions for your next computer advance course.
Package Work Details Points
Keyboarding Q1.
What do you do to shut down computer by keyboard?
Q2.
What do you do to create new deskop activities by on window
10?
10 marks
10 marks
Operating system Q3.
How do you open a program such as microsoft word by command
prompt operations?
Q4.
To create a folder by keyboard on desktop what operation will
you do?
Q5.
To create new account as administrator what operation will you
do?
10 marks
10 marks
10 marks
Office packages Q6.
To run microsoft powerpoint in common name at run box what
will you do?
Q7.
To find and replace words in microsoft word as keyboard and
menu what will you do?
Q8.
To add numbers by total of bags what formula will you do?
10 marks
10 marks
10 marks
Internet/Networking Q9.
To share your internet to other devices external what
commands will you do?
Q10.
Name the differences of computer hardware parts?
10 marks
10 marks
A = 100%
B = 75%
C = 55%
D = 25%
100
marks

11. Designed and Author by:
Ali Osman Abdulle
Tel: +254728344169
Email: valanjis69@gmail.com
Web: shaqoabur.com
YouTube: youtube.com/shaqoabur