Information Theory – The Big Idea IELTS Reading Answers

Janice Thompson,

Updated On Mar 08, 2022

Information Theory – The Big Idea IELTS Reading Answers

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Contents

1 Information Theory – The Big Idea
2 Answers
- - 2.0.1 Check More IELTS Reading Answers

The Academic passage ‘The Big Idea’ is a reading passage that appeared in an IELTS Test.

It contains some of the IELTS reading question types. If you are interested in familiarising yourself with all the question types, don’t hesitate to take an IELTS reading practice test.

Information Theory – The Big Idea

Information theory - the big idea - 0001

Information theory - the big idea - 0002

Information theory - the big idea - 0003

Information theory - the big idea - 0004

Information theory - the big idea - 0005

Information theory - the big idea - 0006

Answers

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Question number	Answer	Keywords	Location of keywords
1	D	noise sets a limit on the rate at which information can pass along communication channels while remaining error-free	Paragraph D; Line 3
2	F	by stripping out superfluous (‘redundant’) bits from data which contributed little real information	Paragraph F; Line 1
3	B	While at Bell Laboratories, Shannon developed information theory, but shunned the resulting acclaim	Paragraph B; Line 4
4	E	uses a simple error-detecting system that ensures supermarket check-out lasers can read the price even on, say, a crumpled bag of crisps.	Paragraph E; Line 3
5	A	In April 2002 an event took place which demonstrated one of the many applications of information theory.	Paragraph A; Line 1
6	C	He set out with an apparently simple aim: to pin down the precise meaning of the concept of ‘information’	Paragraph C; Line 2
7	Jupiter and Saturn IN EITHER ORDER;	The space probe, Voyager I, launched in 1977, had sent back spectacular images of Jupiter and Saturn	Paragraph A; Line 2
8	Solar System	The space probe, Voyager I, launched in 1977, had sent back spectacular images of Jupiter and Saturn and then soared out of the Solar System	Paragraph A; Line 2
9	sensors and circuits IN EITHER ORDER	Sensors and circuits were on the brink of failing	Paragraph A; Line 4
10	spares	The solution was to get a message to Voyager I to instruct it to use spares to change the failing parts.	Paragraph A; Line 5
11	radio dish	By means of a radio dish belonging to NASA’s Deep Space Network, the message was sent out into the depths of space	Paragraph A; Line 7
12	TRUE	Having identified this fundamental unit, Shannon set about defining otherwise vague ideas about information and how to transmit it from place to place.	Paragraph C; Line 4
13	TRUE	This rate depends on the relative strengths of the signal and noise travelling down the communication channel, and on its capacity (its ‘bandwidth’)	Paragraph D; Line 4
14	FALSE	As recently as 1993, engineers made a major breakthrough by discovering so-called turbo codes – which come very close to Shannon’s ultimate limit for the maximum rate that data can be transmitted reliably, and now play a key role in the mobile videophone revolution.	Paragraph E; Last line

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Janice Thompson

Soon after graduating with a Master’s in Literature from Southern Arkansas University, she joined an institute as an English language trainer. She has had innumerous student interactions and has produced a couple of research papers on English language teaching. She soon found that non-native speakers struggled to meet the English language requirements set by foreign universities. It was when she decided to jump ship into IELTS training. From then on, she has been mentoring IELTS aspirants. She joined IELTSMaterial about a year ago, and her contributions have been exceptional. Her essay ideas and vocabulary have taken many students to a band 9.