Basic concepts Of Information technology (IT) for non tech person.

1. Md. Waresul Islam Shohan

2.  Introducing The Computer
 Basic Computer Equipments
 Desktop Interface
 Internet World
 Keyboard Shortcuts
 Most Commonly Used Abbreviation

3.  To be introduced to basic components of the
computer
 To learn common computer terms.
 To become familiar with basic computer
hardware and software
 To gather basic knowledge about Internet.

4.  Information
A form of communication that provides understandable and
useful knowledge.
 Technology
Is the sum of techniques, skills, methods, and processes
used in the production of goods or services.
 Information Technology
Is the use of computers, software and telecommunications
to store, retrieve, transmit data.

5. Yes, your are absolutely right
Its a computer

6.  An electronic and programmable device
 Capable of storing and processing data according
to instructions given to it.
 Typically in binary form.

7.  Hardware
◦ The physical parts.
◦ You can touch it.
 Software
◦ The brain of the
computer.
◦ A set of instruction
that tells the hardware
what to do.
A computer is made up of two components:
•Hardware
•Software

8. Hardware consists of two components:
Input Device :
Allows us to put information
into the computer.
Output Devices
Displays information in either
a visual or auditory format.

9. Front part CPU
Mouse

10. Keyboard

11. Two major classifications of software:
◦ System Software
◦ Application Software
 System Software
designed to operate the computer hardware and to
provide a platform for running application software
 Application Software
software designed to help the user to perform
specific tasks

14.  What are the two main components of computers?
 What two components does hardware consist of?
 Give one example of an input device and one output
device.
 What does the shift button allow you to do?
 What is the difference between backspace and delete?
 Give two examples of software?
 Where is the Quick Launch Icon & Start Menu?
 Where is the Power menu?

16. Internet:
◦ A system that connecting computers around the
world using TCP/IP.
Internet

20.  WWW = World Wide Web
 http = Hypertext Transfer Protocol
 URL = Uniform Resource Locator
 FTP = File Transfer Protocol

21. Electronic Mail (E-Mail):
• A technology of sending and receiving electronic
messages over the internet.
Popular email services:
• Hotmail (xyz@hotmail.com)
• Gmail (xyz@gmail.com)
• Yahoo Mail (xyz@yahoo.com)

23.  Inbox
◦ where you will have all your incoming mails.
 Compose
◦ where you go to write a new message.
 Drafts
◦ contains all the emails you have written but not sent yet.
 Sent
◦ contains all the mails you have sent.
 Spam
◦ contains all the unnecessary emails from people &
companies you don’t know.
 Trash
◦ contains all the emails you have deleted.

25.  CC stands for Carbon Copy
◦ CC list is visible to all other recipients.
 BCC stands for Blind Carbon Copy
◦ no one can see the list of BCC recipients except the
sender.

26. Shortcut Keys Description
F1 View help information
F2 Rename a selected file
F5 Refresh the current program window
Ctrl+N Create a new or blank document MS
word/open a new tab in Internet browsers
Ctrl+O Open a file in the current software
Ctrl+A Select all text
Ctrl+B Change selected text to be bold
Ctrl+I Change selected text to be in italics
Ctrl+U Change selected text to be underlined
Ctrl+F Open find window for current document or
window
Ctrl+S Save current document file

27. Ctrl+X Cut selected item.
Shift+Del Permanent Delete
Ctrl+C Copy selected item
Ctrl+V Paste
Ctrl+Y Redo last action
Ctrl+Z Undo last action
Ctrl+K Insert hyperlink for selected text
Ctrl+P Print the current page or document
Home Goes to beginning of current line
Ctrl+Home Goes to beginning of document
End Goes to end of current line
Ctrl+End Goes to end of document

28. Shift+Home Highlights from current position to
beginning of line.
Shift+End Highlights from current position to end of
line.
Ctrl+Left arrow Moves one word to the left at a time.
Ctrl+Right arrow Moves one word to the right at a time.
Alt+F4 Close the currently active program.
Alt+Enter Open the properties for the selected item
(file, folder, shortcut, etc.)
Tab Moves the cursor to the next tab stop.
Caps lock All Capital Letter

29.  PPT= Power Point Presentation
 OS= Operating System
 PC= Personal Computer
 PDF= Portable Document Format
 RAM= Random Access Memory
 ROM= Read Only Memory
 IP= Internet Protocol
 KB= Kilo Byte
 MB= Mega Byte
 GB= Giga Byte
 LCD= Liquid Crystal Display
 LED= Light Emitting Diode
 USB= Universal Serial Bus

30.  Name some Popular Browsers.
 What is Google & Bing?
 Tell me two names of popular mail service?
 What is Spam Mail?
 What is the difference between CC & BCC?
 What are the shortcut keys of saving a document
file?
 How to select all text with keyboard?
 What is the function of Caps lock Button?
 What is the elaboration of WWW, PPT, RAM, GB?