computer basic introduction

1.  What is computer?
 A computer is an electronic device that stores, retrieves
and process data and can be programmed with
instructions. A computer is composed of hardware and
software.
 Basic Part of computer?
1. Monitor
2. Keyboard
3. Mouse
4. C.P.U. (System Unit)
 More Parts -

2. 1. U.P.S.
2. Printer
3. Camera
4. Mic
5. Pen Drive
6. CD (Compact Disc)
etc...
 Software -
o System Software (OS)
 Windows 7
 Windows 8
 Windows 10
 Windows xp
 Windows linex
 Windows ubantu
 Windows server
 etc…
o Application Software (APPS)
 Typing
 Game
 Media player
 MS Word
 MS Excel
 MS Powerpoint
 Google chrome

3.  Firefox
 Whatsapp
 Facebook
 etc…
 Create a new folder -
o step 1 - Right click - New - Folder
o step 2 - Ctrl + Shift + N
 Folder's Name -
o Typing
o Picture
o Music
o Video
o MS Word
o MS Excel
o MS Powerpoint
o Internet
o Notepad
o Other work
 Change icon -
o Right click on folder
o Properties
o Customize

4. o Change icon
o Select icon
o OK
 SHORTCUT KEYS -
 Ctrl + A = Select all
 Ctrl + B = Bold highlighted selection
 Ctrl + C = Copy selected text
 Ctrl + D = Font options
 Ctrl + E = Centre align
 Ctrl + F = Open find box
 Ctrl + G = Go to
 Ctrl + H = Find and replace option
 Ctrl + I = Italic highlighted selection
 Ctrl + J = Justify paragraph alignment
 Ctrl + K = Insert link
 Ctrl + L = Align selected text or line to the left
 Ctrl + M = New slide
 Ctrl + N = Open new blank document
 Ctrl + O = Open
 Ctrl + P = Print
 Ctrl + Q = Align selected to the paragraph left
 Ctrl + R = Align selected text or line to the right
 Ctrl + S = Save
 Ctrl + T = Hanging indent
 Ctrl + U = Underline highlights of selection

5.  Ctrl + V = Paste
 Ctrl + W = Close document
 Ctrl + X = Cut selected text
 Ctrl + Y = Redo
 Ctrl + Z = Undo
 Ctrl + esc = Bring start up menu
 Ctrl + ] = Increase
 Ctrl + [ = Decrease
 Ctrl + + = Zoom in
 Ctrl + - = Zoom out
 Window + E = File explorer
 Window + R = Open the run window
 Ctrl + Shift + F = Change font
 How does a computer work?
I P O
Input Process Output
o INPUT DEVICE
 Keyboard
 Mouse
 Joystick
 Pendrive, CD

6.  Scanner
 Microphone
 Web camera
 etc...
o PROCESSING DEVICE
 R.A.M.
 C.P.U.
 Motherboard
o OUTPUT DEVICE
 Monitor
 Printer
 Speaker
 Headphone
 Projector
 etc...
 Benefits of using computer -

7.  Accuracy - Computer rarely makes mistakes, in fact
most computers errors are caused by human faults.
 Speed - Computers work at very high speeds and are
much faster than humans.
 Delegacy - Unlike humans, computers do not get bored
or tired.
 File type Extension
1. Notepad .txt
2. Picture file .jpg, .gif, .bmp
3. Video file .avi, .wmv
4. Audio file .mp3, .wma
5. MS Word .docx
6. MS Excel .xlsx
7. MS Powerpoint .pptx, .ppsx
 Mouse - A mouse is an input device.
 There are many types of mouse like -
1. Ball Mouse
2. Optical Mouse
3. Wireless Mouse

8.  Keyboard - The keyboard is an input device. It is a
component that closely resembles a typewriter console.
The keyboard provides different keys to perform various
operations.
 MS Word - MS Word is an application software which is
used to edit and format any text data.
 Works which can be performed in MS Word -
1. Resume
2. Visiting card
3. Font, Paragraph, Flyer
4. Shapes, Table, Smart art
5. Page setup
6. Banner, Pamplates, Flyer
7. Certificates
8. Mail merge
 How to open MS Word -
1. Search bar - search ms word
2. Start - MS Office - MS Word
3. Window + R - Winword