SOMETHING TO KNOW
A. Tick (✔) the correct option:
1. Which one is a method of personal communication?
(a) Television
(b) Radio
(c) Telephone (✔)
Answer – (c) Telephone (✔)
2. What does SMS stands for?
(a) Short Messaging Services (✔)
(b) Simple Message Service
(c) Skype Messaging Service
Answer – (a) Short Messaging Services (✔)
3. Which one is a social networking site?
(a) Internet Explorer
(b) Google
(c) Twitter (✔)
Answer – (c) Twitter (✔)
B. Fill in the blanks:
[Help Box – communication, satellites, tele conferencing, e-mail, harmed]
1. Television programmes can be viewed from any part of the world with the help of satellites.
2. E-mail is similar to private messaging through Internet.
3. Tele conferencing is a useful means of conducting meetings and holding group discussion across the world.
4. The modern means of communication have harmed the social skills of people.
5. Telephone is a wonderful way of two way communication.
C. Match the following:
1. Facebook (b) Internet
2. Text messages (d) SMS
3. Group discussions (c) Video conferencing
4. Television telecast (a) Man-made satellites
5. Radio (e) Mass communication
D. Answer briefly:
1. What is communication?
Answer – The process of sending and receiving messages by speaking, writing or using some other medium is known as communication.
2. Name any two means of mass communication.
Answer – Two means of mass communication are –
Newspaper and Television
3. List the benefits of a mobile phone.
Answer – Benefits of a mobile phone are –
We can easily carry it everywhere.
We can communicate to people living far way.
We can play games, use calculator, light, Internet and GPS which are easily available in one mobile phone.
4. Name any two social networking sites.
Answer – Two social networking sites are
Facebook and Twitter
5. Which is your favourite means of communication? Why?
Answer – Now a days my favourite means of communication is Whatsapp messaging service, because it is easy to use and owned by many people.
E. Answer the following questions:
1. What does the term “Tele Conferencing” mean? How does it help in education and business?
Answer – Tele-conferencing is the exchange of information between people who are not at the same place physically. It helps students to exchange information with teachers in the other countries and business companies can conduct meetings, instruction for customer/ staff training, demonstrations and even workshop through tale conferencing.
2. “The modern means of communication have harmed the social skills of people.” Justify the statement.
Answer – The modern means of communication have harmed the social skills of people. They have become experts in e -mailing and forgotten the joys of getting together and talking to each other. They also waste their precious time in surfing, chatting and messaging over unproductive things.
3. E-mail has replaced letters. Explain with examples.
Answer – E-mail replaced letters because of following reasons:-
It is the quickest means of transmitting messages, images, graphs or any other type of data
It is safer and secure way for transmitting messages.
We can be sure that they will reach the addressee instantly.
4. How has internet made communication almost instant?
Answer – Internet has made communications instant in following ways-
It has brought in new forms of social interaction like Whatsapp, Instagram etc.
Instant messages can be sent to addressee instantly using E-mails
We can send messages instantly to our friends and relatives residing anywhere in the world within few seconds.
5. List four disadvantages of the modern means of communication.
Answer – Four disadvantages of the modern means of communication are:
Internet and mobiles have become an addiction.
Access use of internet waste our time.
They have harmed the social skills of people.
They have created problems like sleeplessness.
F. Circle the names of famous inventors.
1. Electric bulb – Thomas Edison
2. Aeroplane – Wright Brothers
3. Steam Engine – James Watt
4. Telephone – Alexander Bell
5. Telescope – Galileo
6. Printing Machine – Gutenberg
7. Television – John Baird
8. Radio – Marconi
9. Master Mathematician – Aryabhatta
10. Computer – Charles Babbage
VALUE BASED QUESTIONS:
1. These days people are using various social networking sites like facebook, twitter, etc. Some social networking sites ban the opening of an account by children below 18 years. What is your opinion about it? Explain with two examples.
Answer – Some networking sites ban the opening of an account by children below 18 years because –
Some sites have inappropriate content which a children below 18 years could not see without parents concerned.
Some social networking sites need bank account details for conducting financial transaction and children may become victim of online fraud.
2. Many people talk very loudly on mobile phones in public places, public transport, public buildings and even in hospitals. How can you stop this bad behaviour?
Answer – Many people talk loudly on mobile phones in public places, public transport, public buildings and even in hospital. We can stop the bad behaviour by
Requesting them to do not speak loudly in public places.
We can tell them to speak slowly using sign language or finger on lips.
In case of hospital – We can complain to hospital authorities, so that they can tell them keep quiet as loud noise can disturb patients.
Map Skill
On a political map of India, find out, locate, label and colour the following:
The first wi-fi city.
Answer – Mumbai
The city where the first newspaper was published.
Answer – Kolkata
A state with highest literacy rate.
Answer – Kerala
City having headquarters of All India Radio.
Answer – Delhi
SOMETHING TO DO
1. Describe the pleasure that you get when you receive a letter from a loved one. Does an e-mail give you similar pleasure?
Answer – In olden times when communication were time taking process, at that time when we received any letter it was matter of joy for all of the family members. We used to read the letter again and again. But the scenario has completely changed these days. Now a days when we receive and e-mail it gives us only bubble bursting time pleasure.
2. Discuss with your parents and teachers and find out the problems that have been created by instant communication.
Answer – Problems that have been created by instant communication are –
1 · Addiction: Instant messaging, social networks, and the internet, in general, cause high levels of addiction among their users.
2. Lack of privacy – Instant messaging are monitored by many hackers and data stealers so it causes lack of privacy.
3. Less social interaction – Instant messaging keep us involved in cyber activities which makes us away from social interaction
4. Isolation – However we are connected to people over internet by instant messaging services but gradually we find ourselves isolated in society.
3. Have a class debate on the topic-Children should be allowed to bring mobiles to school.
Answer – Teacher will organise a debate on the topic-Children should be allowed to bring mobiles to school.
4. List the important points that you must keep in mind while using a mobile phone in public places.
Answer – The important points that you must keep in mind while using a mobile phone in public places are –
Keep your phone off your lap.
Avoid long conversation.
Keep personal information private.
Keep bluetooth turned off
Choose strong passwords.
While driving avoid mobile phone or use bluetooth.
5. Is there any means of communication you cannot live without? Why? Give two reasons.
Answer – Yes, there is interpersonal communication without I cannot live. This communication nurtures our survival skill and refreshes our mind when we shares the feeling. In absence of this communication men will be like a machine.
6. What are the sources of entertainment for people who live without a TV set, computer or radio? Give two reasons.
Answer – Reading books and playing chess are the sources of entertainment for people who live without a TV set, computer or radio. These are considered as an ancient sources of entertainment which enhances our knowledge and sharpen our mind.
7. You have to advice your teacher to watch an interesting and informative programme on TV. Which programme would? Why?
Answer – If I have to advice my teacher to watch an interesting and informative programme on TV then it would be Man verses Wild programme. It is so because it gives full adventure and surviving skills to its audience.