use of technology in cs

8/6/2019 Use of Technology in CS

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ec no ogy orcommunicating

informationThe word Information has many different meaningsin everyday usage and in specialized contexts.

However, as a concept it is closely related to data,

instruction, knowledge etc.

Information is usually a message, something to becommunicated from the sender to the receiver. But, ifinformation is viewed merely as a message, it does

not have to be accurate


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Sources of

communication There is telephone, telegraph, landline phone, mobilephone, e-mail, picture call, video call, social networkingservices such as face book, msn, twitter.

But aside from all of the new things there were thingsused in the old days like drawings, hieroglyphics, smokeand the simple old letter in the post.

Don't forget things like catalogues, brochures and stuffwhich are also classed as forms of communication.


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Communication ProcessCommunication is the process of exchanging information. Peoplecommunicate in order to share knowledge and experiences.

Common forms of human communication include sign language,speaking, writing, gestures, and broadcasting.

Communication can be interactive, intentional, or unintentional.

It can be internal communication or intrapersonalcommunication and interpersonal communication.


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Communication Process

We all use different methods at different times tocommunicate. We can communicate by making gestureswith parts of our body.

For example shaking of our header hands, making faces

speaking ,laughing, weeping writing and reading.

There is yet another way we can communicate. That isby using electrical gadgets, invented by scientists. e.g:-computer,tv,etc.


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Communication Process

Do animals talk?

Animals are unable to talk in the sense that humans do,they do communicate with sound in a way that is understood

only by other members of their own species.

To understand what they are talking about we must knowtheir language.

Most animals communicate, not through language, but byinstinctual behavior's that convey messages to others.


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Technology inCommunication

Computer

A microprocessor is somewhat like a brain. All computers havememory to remember information and instructions. All of themneed some software to enable them to perform their functions.

Keyboards and mice are the essential peripherals of a PC thathelp us input information, similarly monitors is an essentialperipheral that outputs information.

There are like printer; CD writer; microphone; speakers;modem; scanner and web camera


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Devices for

communicationLaptops:- The notebook can thus conveniently be carriedanywhere. They are used to view documents or show themto others.

These days it is often possible to connect a notebook tothe Internet while one is at an airport, and sometimeswhile in an airplane too through a Wi-Ficonnection or awireless modem connected to its USB port.

Palmtop computers are computers so small that they canfit on the palm of an adult. One can carry a palmtopcomputer along almost anywhere. Palmtops are generallyvery thin and have a large LCD screen that may display incolor or generic black on green.


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Contd..

A digital camera is a camera that recordsimages digitally rather than on aphotographic film.

The image can be downloaded to acomputer and used either for digitaldocuments or print media.

A digital camera connected to thecomputer via the USB port appears on thedesktop like an additional.


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Contd

Flash memory refers to a memory chip that holdsits content without power, but must be erased inbulk.

The term comes from its ability to be erased in aflash.

Scanner is a device that can be connected to acomputer to capture either an image of a textdocument or picture.


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Contd

The word Simputer stands for simple,inexpensive and multilingual peoplescomputer.

The Simputer is a small handheldcomputer.

It includes text-to-speech software .

The touch sensitive screen is operated onwith a stylus.


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Contd

Bluetooth technology:-

Until recently, if you wanted to print from your palmtop or digital

camera you needed to get a cable and then plug it into the PC - whichthen sent the data to the printer.

Its a lot of work, so companies developed a technology to avoid the

hassle .i.e Bluetooth, which can be connected by using infrared rays.

With Bluetooth, and other wireless technologies, the devices just need to

be within range of each other.


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Contd

Internet connections that allow for transferof information, view streaming media athigher speeds closer to what might be

associated with television.Internet is a technology of human concern.Almost every country has this facility.

Internet can be used transfer data, livestreaming, email.


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Contd

Telecommunication, popularly known as telecom, iscommunication through electromagnetic waves, besides light.

At that time telephone contact could be made only with shipswithin 2000 km of shore.

Today every large ship wherever it may be on the globe canbe contacted using wireless equipment.

Cell phones are based on networks of many radiotransmitters/receivers. The area covered by a cell phonecompany, a city, a state or a country for its services is divided

into zones that are called its cells.


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Contd

Cable television allows us to view severalTV stations.

Satellite TV(DTH) is a wireless system for

delivering TV programming directly to aviewers house.

The broadcast can be done by powerful

antenna to transmit to viewers.


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Contd

Multimedia simply means being able tocommunicate in more than one way. Theterm multimedia once meant that your PC

had a soundcard with an output marginallybetter than the PC speaker.

Computer multimedia today is a mixture ofthings: sound, images and moving video..


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Contd

A web camera is camera whose imagescan be accessed using the World WideWeb, instant messaging, or a PC

videoconferencing.Using a web camera allows learners to bea part of either a conference orclass/studio. They can see, hear and

interact with people.


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THANKYOU

use of technology in cs

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