Page 46 - IT_Play_V1.0 Class9
P. 46
RADIO
Radio is one of the most popular ICT tools. Radio is used to broadcast audio. It is widely used in modern
technology for radio communication, listening to songs, commentary, news, radar operation, radio
navigation, etc.
TELEVISION
Television popularly known as TV was invented by a Scottish scientist named John Logie Baird. Television is a
system for transmitting visual images and sounds that are reproduced on screens. It is chiefly used to show
programs for entertainment, information, advertisement and education.
E-MAIL
Electronic mail, commonly known as email, is an Internet-based service that allows you to send messages
to anyone around the world using a device such as a computer or mobile phone. It has become the fastest,
easiest, and most cost-effective means of communication for various purposes, including business, governance,
administration, education, tourism, and more.
APPLICATION OR APP
A mobile application, most commonly referred to as an App, is a type of application software developed
to run on a mobile device, such as a smartphone or tablet computer. Apps are generally small, individual
software units with limited function but they turn mobile devices into miniature powerhouses of function
and fun. The use of app software was originally popularised by Apple Inc. and its App Store, which offers
thousands of applications for the iPhone, iPad, etc. Two major app stores for downloading different apps on
mobile phones are:
Google Play Store: Apple’s App Store:
For Android devices For iPads and iPhones
Some Common Mobile Apps
Let us now learn about some common mobile apps.
Phone: This app is used to make calls. And most importantly, it is used to store the contact
details.
Message: This app is used for sending and receiving SMS. It also stores draft, sent and received
messages.
Email: An email app is used to send and receive email messages by configuring an email account
(Gmail, Outlook, etc.). It works similar to the web-based email account.
Calendar: This app is used to display Calendar in different views such as yearly and monthly. It is
also used to schedule reminders, appointments, etc.
Clock: It is used to display time in digital and analog format. It is also used to set an alarm, timer
and stopwatch.
Photos: This app helps to view images and videos and is also used to arrange photos in the form
of an album.
Maps: This app is used for navigational purposes. It is enabled by GPS (Global Positioning System)
technology.
Web Browser: This app is used to search the web to get desired information through the Internet.
44 Information Technology Play (Ver 1.0)-IX

