Information and Communication Technology - 0417 CIE

Communication

Gbogbo ọrọ náà

When a charity wants to reach the public, a school wants to tell parents about an open day, or a band wants to sell concert tickets, each must choose how to get the message across. A printed poster, a glossy newsletter, a website, a multimedia presentation, a streamed video or a simple text message all carry information, but each suits a different audience, budget and purpose. Choosing well is a real ICT skill, and Cambridge tests whether you can weigh the strengths and weaknesses of each.

This lesson sorts out the main communication media and shows where each one shines. You will see why streaming differs from downloading, why an e-publication can do things paper never could, and how a single mobile phone now handles texts, calls, internet telephony, video chat and web access. By the end you will be able to recommend the right medium for a given situation and justify your choice the way an examiner expects.

Ebumnobi

Communication media.
Characteristics and uses including newsletters, posters, websites, multimedia presentations, audio, video, media streaming and ePublications.
Mobile communication.
The use of mobile devices for communication including: SMS messaging, phone calls, Voice over Internet Protocol (VoIP), video calls, accessing the internet.

Akọmọ Ojú-ẹkọ

Communication media are how an organisation reaches the people it cares about. Pick the wrong one and the message is missed, the budget is wasted, or the wrong audience is reached. Pick the right one and a single video can be watched by millions, a newsletter can build a loyal readership, and a text message can confirm an appointment in seconds. Understanding what each medium does best, and where it lets you down, is the heart of this topic.

Ọ dị na ngwa Green Bridge

Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

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Ọ dị na Android, Windows, macOS, na Linux

Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Communication. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

Which communication medium can be seen by a global audience and is easy to update without reprinting? A. A printed poster B. A mailed newsletter C. A website D. A paper leaflet Answer: C
What is the main difference between streaming and downloading a video? A. Streaming saves the whole file; downloading does not B. Streaming plays in real time without storing the whole file C. Downloading always uses less storage D. There is no difference Answer: B
Storing the next part of a stream in advance to keep playback smooth is called: A. Compression B. Buffering C. Encryption D. Streaming Answer: B
VoIP allows a user to: A. Make voice calls over the internet B. Send printed letters C. Store files in the cloud only D. Read e-books offline Answer: A
Which is an advantage of an e-publication over a paper book? A. It never needs a device B. It can be read with no battery C. The text size can be enlarged and media added D. It always costs more Answer: C