Information Communication Technology

1. Internet and e-mail
NTA LEVEL 4
RASHID-M.A
2022

2. Internet
o Internet: The world network of networks
or , is considered an inexhaustible
(unlimited) source of information.
o The World Wide Web (www), offers
more than 60 million pages with data in
text form, images or sound
o It is essential to know what it offers and
how to access its services

3. Characteristics of Internet
 Dynamic always changing
 Large storage
 Safety and security
 Internet Access and Resources not Equal
Around The World
 Increasing Quantity of Information
 A Lot of Good and Interesting Quality of
Information

4. Characteristics of Internet
 Self Learning Tool When You Know
How To Use It Properly

5. Components of Internet
 Major of internet are
I. Internet Services includes:
−Online transactions
−Searching
− Ticket Booking
−Online Applications
−e-communications
−Weather Forecasting
−E-commerce
−E-governence

6. Components of Internet
II. Elements of the Internet
− Clients Pcs
− Server Computers
III. Uniform Resource Locator: Uniform Resource Locator (URL) is
the web browser address of the internet pages and files.
− A URL is a specific type of uniform resource identifier
(URI), although many people use the two terms
interchangeably, a URL work together with IP addresses
to help us name, locate, and bookmark specific pages
and files for our web browsers.

7. How to enter Internet
o To connect to Internet the following
implements are required:
I. A computer: It is recommendable to
have at least the following
specifications: a Celeron CPU or bigger,
4GB (GB) of RAM memory and a 250 GB
hard disk.
II. Modem: High speed modem for
uploading and downloading is required

8. How to enter Internet
III. Common telephone line: All data and
information is transmitted through this
media.
IV. Access provider: (Internet Service Provider)
ISP
− ISP is used to charge an initial fee and monthly
fees for internet services

9. Interface through fiber optics
o Interfacing Internet through fiber optics
defeats the greatest limitation of
cyberspace
o Its results in slowness of the system
(internet)
o Telephone lines are not the only means
to reach cyberspace. Fiber optics also
allow user to connect into Internet.

10. Advantages
 Fiber optics makes it possible to navigate in
Internet at a speed of two million bps, which is
inconceivable in the conventional system
 The immediate access to Internet as compiled to
telephone line
 This connection is not through the telephone line,
the call can not be disconnected, the connection is
direct and permanent.

11. Disadvantages
o The limitation to connect to Internet from
more than one single place, the initial cost
and a higher monthly fee.
o Since fiber optics passes close to your house,
you can only connect to Internet when you
are physically there.
− Telephone lines in any part, the user can
navigate from home, the office, a hotel, a
cellular telephone

12. Disadvantages
o Initial installation cost is very high
o The monthly fee too is higher for a
fiber optics connection
o The telephone line connection has a
variety of plans and prices offered by
a number of companies that allow for
unlimited connection time.

13. Impact of Internet on Society
 95% of all information available has been digitized
and made accessible via the internet.
 The internet has also led to a complete
transformation in communication, availability of
knowledge as well as social interaction.
 However, as with all major technological changes,
there are positive and negative effects of the
internet on the society too

14. Positive Impact of Internet
 The positive impacts of the internet include the
following:
I. It provides effective communication using
emailing and instant messaging services
II. It improves business interactions and
transactions, saving on vital time.
III. Banking and shopping online have made life

15. Positive Impact of Internet
iv. Education has received a huge boost as
uncountable books and journals are available
online from libraries across the world.
v. Students can now opt for online courses
using the internet.
vi. Application for jobs has also become easier
as most vacancies are advertised online with
online applications becoming the norm.

16. VII. You can access the latest news
from any part of the world without
depending on the TV or newspaper.
VIII.Professionals can now exchange
information and materials online,
thus enhancing research.

17. Negative Impact of Internet
 The negative impacts of the internet on
society include:
I. Easy availability of illegal or
inappropriate materials online that isn’t
age-suitable.
II. Addiction to social networks can disrupt
an individual’s life, both personally and
professionally.

18. Negative Impact of Internet
IV. Some criminals use the internet to
hack into people’s accounts for
spurious (unauthentic) activities
including stealing data or banking
information.
V. Others have been known to misuse
the internet for spreading hate and
terrorism

19. Email
 Email (electronic mail) is a way to
send and receive messages across the
Internet
 Email advantages
I. Productivity tools: Email is usually
packaged with a calendar, address
book, instant messaging, and more
for convenience and productivity

20. Email
II. Access to web services: If you want to sign up
for an account like Facebook or order products
from services like Amazon, you will need an
email address so you can be safely identified
and contacted
III. Easy mail management: Email service providers
have tools that allow you to file, label,
prioritize, find, group, and filter your emails
for easy management. You can even easily
control spam, or junk email.

21. Email
IV. Privacy: Your email is delivered to your own personal
and private account with a password required to
access and view emails.
V. Communication with multiple people: You can send
an email to multiple people at once, giving you the
option to include as few as or as many people as you
want in a conversation.
VI. Accessible anywhere at any time: You don’t have to
be at home to get your mail. You can access it from
any computer or mobile device that has an Internet
connection

22. Email addresses
 To receive emails, you should have
I. email account
II. email address

23. Email address
 Email addresses are always written
in a standard format
I. user name
II. (at) symbol (@)
III. email provider's domain

24. Email address
 The user name is the name you
choose to identify yourself

25. Email address
 The email provider is the website
that hosts your email account.

26. Email address
 Some businesses and organizations
use email addresses with their own
website domain.
 Example:
matayo.mathew@ticd.ac.tz

27. Email Service Providers (ESP)
 Email service providers: are technology companies
that make it easier for people to build email lists and
send emails.
 Webmail providers: Are mails providers allow you to
access your email account from anywhere with an
Internet connection
 The top three webmail providers are Yahoo!,
Microsoft's Outlook.com (previously Hotmail), and
Google's Gmail

28. Webmail providers

29. Other email providers
 Many people also have an email address hosted by
their company, school, or organization
 These email addresses are usually for professional
purposes.
I. People who work for this website have email
addresses that end with @gcflearnfree.org.
II. Domain end with a suffix .gov (for government
websites)
III. Domain end with a suffix .edu (for school websites)
IV. Domain end with a suffix .mil (for military websites)

30. Email applications
 Many companies and organizations use an
email application, like Microsoft
Outlook, for communicating and
managing their email
 Microsoft Outlook is most commonly
used by organizations in communicating
and managing their email that host their
own email

31. Common Email Features
 No matter which email service you
choose; email interface consist the
following features
I. Inbox
II. the Message pane
III. the Compose pane

32. Inbox
 The inbox is where you'll view and manage
emails you receive.
 Emails are listed with the name of the sender,
the subject of the message, and the date
received.

33. Message pane
 When you select an email in the inbox, it will
open in the Message pane
 You can read the message and choose how to
respond with a variety of commands.

34. Compose pane
 To create email message, click the compose
or New button from your inbox
 You will need to enter the following
I. Recipient's email address
II. a subject
III. Upload files (photos, documents, etc.) as
attachements
IV. Add formatting to the message

35. Compose pane

36. Forward
 Whenever you want to share an
email you've received, you can use
the Forward command to send
the message to another person

37. Contacts and Calendars
 On email services, most webmail providers offer
an online calendar and address book.
 These features make it easy to stay organized and
access your important information from
anywhere.
 Online contacts lists help you organize contact
information for your friends, family, and
coworkers, just like an address book.

38. Contacts and Calendars
 Once people are added to your
contacts list, it's easy to access their
information anytime and anywhere
 Online calendars make it easy to
schedule appointments, organize
tasks, and manage your time, just
like a desk calendar.

39. Contacts and Calendars
 But unlike a physical calendar, online
calendars give you the freedom to
quickly edit and rearrange your
schedule whenever you want.
 You'll even be able to access your
calendar on the go and sync it across
multiple devices, like your mobile
phone and personal computer

40. Email Etiquette (Protocol) and Safety
 Etiquette is a set of rules and
guidelines that people use to
communicate more effectively.
 You should also know how to protect
yourself from certain risks, like
malware and phishing.
 Email attachment etiquette:

41. Email attachment etiquette:
 Attachments are an easy way to share files,
photos, and more.
 The following are the basic rules you can use
when attaching in your emails.
I. Consider file size and format
− Avoid sending excessively large attachments or
uncompressed photos, which can take a long time for
your recipients to download

42. Email attachment etiquette:
− You can always ZIP or compress
files to make them easier to send
− Make sure your attachments don't
need to be viewed in a specific
application—use universal file types
like .PDF, .RTF, and .JPG.

43. Email attachment etiquette:
II. Related files
− If you need to send a lot of different files
to the same person, consider sending the
attachments through multiple emails
III. Cloud based storage Services
− Google Drive and Microsoft OneDrive are
used to share large files easy and quickly
as compiled to email

44. Email safety
 Email is not totally secure, so you should
avoid sending sensitive information like
credit card numbers, passwords, or Social
Security Number etc.
 In order to be safe on your email, your
required to understand the following:-
I. Spam: Is another term for junk email or
unwanted email advertisements

45. Email safety
− It's best to ignore or delete these
messages.
II. Phishing: Are emails pretend to be
from a bank or trusted source in
order to steal your personal
information.
− It's best to ignore or delete these
messages.

46. Email safety
III. Attachments
− Some email attachments can contain viruses
and other malware.
− It's generally safest not to open any
attachment you weren't expecting
− If a friend sends you an attachment, you may
want to ask if he or she meant to send it
before downloading.