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ICT student textbook/Science Technology and Society (view source)
Revision as of 16:50, 9 October 2016
, 16:50, 9 October 2016→Science and technology
Similarly, our understanding of astronomy has been expanded after the invention of the telescope. But to make a telescope or microscope, we need to understand the properties of light. We must understand how a lens works, how light travels. Thus, science and technology are very closely connected.
Similarly, our understanding of astronomy has been expanded after the invention of the telescope. But to make a telescope or microscope, we need to understand the properties of light. We must understand how a lens works, how light travels. Thus, science and technology are very closely connected.
Your teacher will discuss with you more examples of how technology has impacted the way we understand many natural phenomena.
=Information and communication technologies (ICTs)=
When you tried to explore the questions in the previous section, you may have come across words like satellites, signals, transmission, receiver, radio waves, etc. All of these words refer to the various technologies that are used for communication. Can you think of all the things that we use for communication?
==Cell phones==
Cell phones
You are right! The first word that comes to our mind is a cell phone. You may have seen many people carry a cell phone these days. Can you make a list of all the things a cell phone does?
You are right! The first word that comes to our mind is a cell phone. You may have seen many people carry a cell phone these days. Can you make a list of all the things a cell phone does?
[[File:mindmapofcellphone.jpg|400px]]
A cell phone functions like a phone, a camera and a computer. Yet, it does all of this using a few components.
A cell phone functions like a phone, a camera and a computer. Yet, it does all of this using a few components.
Parts of a cell phone
===Parts of a cell phone===
If you open up a cell phone, you will see the following parts:
If you open up a cell phone, you will see the following parts:
A circuit board : This is the brain of the cellphone and gives all the instructions to the phone. We saw in the earlier chapters about how the integrated chip instructs the computers. A similar integrated circuit directs the cell phone also.
#'''A circuit board''' : This is the brain of the cellphone and gives all the instructions to the phone. This contains a set of integrated circuits for giving instructions to the cell phone also. A computer has a similar circuit board also.
A keyboard : This is also very similar to the computer keyboard and you use the key board to operate the cell phone.
#'''A keyboard''' : This is also very similar to the computer keyboard and you use the key board to operate the cell phone.
Display : This is similar to the computer monitor.
#'''Display :''' This is similar to the computer monitor.
Other parts include a microphone, antenna, speaker and a charger.
Other parts include a microphone, antenna, speaker and a charger.
One of the important parts of the cell phone is called the SIM card. The SIM card connects the phone to the network, your location. This helps the phone connect to a cell phone network and can also store phone numbers. It can be removed from one phone and put in any other cell phone.
One of the important parts of the cell phone is called the SIM card. The SIM card connects the phone to the network, your location. This helps the phone connect to a cell phone network and can also store phone numbers. It can be removed from one phone and put in any other cell phone.
