The internet and undersea cables
Tests: 5 of 11 right · Exam: 2 of 4 right · Kind: ★★ · Understood: 7 of 15 · Run: 2026-10-18, commit f3c23ea72
Lesson 37 of the technology course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.
Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.
Test 1 · ★★ · wrong ✗
«got a msg: YOU WON A NEW CONSOLE, just type your password here» What should you do?
- 1. Reply asking which colour console — no support
- 2. Type the password quickly before the offer runs out and someone else gets it — ← Mova's choice · score 8
- 3. Not reply or type anything, and tell an adult — ✓ the right answer · score 5
- 4. Send your address instead of a password — no support
Why: It took the question to ask what is done. It chose option 2 with score 8, against 5 for the next best. Its support: lesson 36, line 15: «A password is a secret that proves it is you, and computers store only a scrambled version of it; long phrases of random words can be stronger than short trick…», reached through the remembered sentence the question matched. What matched: the same doer «password» (+4); the same thing acted on «you» (+4). The right option, 3, scored 5. · the question and its options parsed, with trees and pragmatics
Test 2 · ★★ · right ✓
«my cousin says the internet comes from space, satellites do it all» What is the best correction?
- 1. Most data between continents goes through undersea cables — ← Mova's choice · ✓ the right answer · no support
- 2. Right, satellites carry all of it, every message and every film you watch — no support
- 3. It comes from the Moon — no support
- 4. It travels on the wind — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 3 · ★★ · right ✓
«first result says sharks are mammals so it's true lol» What is the best answer?
- 1. The first result is always true — score 2
- 2. If it is on the internet it is true, because someone checked it before it went up — no support
- 3. Only the last result can be wrong — no support
- 4. Search results can be wrong; check good sources — ← Mova's choice · ✓ the right answer · score 5
Why: It took the question to ask which statement is true. It chose option 4 with score 5, against 2 for the next best. Its support: lesson 37, line 10: «A search engine uses programs that crawl the web and build a huge index, then ranks pages for your words; results are not always true, so check sources.», reached through a sentence linked to the one the question matched. What matched: the same action «check» (+3); the same thing acted on «sources» (+2). · the question and its options parsed, with trees and pragmatics
Test 4 · ★★ · right ✓
What would happen if a ship's anchor cut an undersea cable?
- 1. Nothing could ever cross that ocean again — no support
- 2. Data would be sent along other cables, maybe more slowly, until it is repaired — ← Mova's choice · ✓ the right answer · score 4
- 3. The sea would fill with data — score 0
- 4. The whole internet would stop forever — no support
Why: It took the question to ask what happens next. It chose option 2 with score 4, against 0 for the next best. Its support: lesson 37, line 7: «Most data between continents travels through undersea cables, not satellites; inside, thin glass fibres carry pulses of light; there are many such cables, so i…», reached through the same lesson line as the sentence the question matched. What matched: the same action «mend» (+2); the same thing acted on «data» (+2). · the question and its options parsed, with trees and pragmatics
Test 5 · ★★ · right ✓
In a cartoon, a whole web page zooms down one wire as one big parcel. What really happens?
- 1. It is read out loud to your computer — no support
- 2. It is printed and posted — no support
- 3. It is sent as a single picture — no support
- 4. It is split into many small packets that may take different paths — ← Mova's choice · ✓ the right answer · score 0
Why: It took the question to ask which statement is true. It chose option 4 with score 0, the only option with support. Its support: lesson 37, line 1: «The internet is not one machine; it is a network of networks, millions of computers joined together. When you open a web page, it is chopped into small packets…», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «page» (+1). Against it: a different action (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Test 6 · ★★ · wrong ✗
Count them: a web page comes in 300 packets and 100 have arrived. How many are still on the way?
- 1. 300 — ← Mova's choice · no support
- 2. 400 — no support
- 3. 200 — ✓ the right answer · no support
- 4. 100 — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 7 · ★★ · wrong ✗
Count them: you send 3 emails to each of 4 friends. How many emails?
- 1. 3 — ← Mova's choice · no support
- 2. 7 — no support
- 3. 12 — ✓ the right answer · no support
- 4. 16 — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 8 · ★★ · right ✓
Count them: a film has 90 minutes and the app stores 2 minutes ahead. You have watched 30 minutes. How far into the film has the app loaded?
- 1. 32 minutes — ← Mova's choice · ✓ the right answer · no support
- 2. 92 minutes — no support
- 3. 30 minutes — no support
- 4. 60 minutes — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 9 · ★★ · wrong ✗
«is that speaker thing always spying on us, creepy» What is closest to the truth?
- 1. It records every word all day — ← Mova's choice · no support
- 2. It only listens to the dog — no support
- 3. It listens fully only after its wake word, but it may store recordings — ✓ the right answer · no support
- 4. It cannot hear anything at all — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 10 · ★★ · wrong ✗
«why do they put computers in Iceland, no one lives there lol» What is a real reason?
- 1. Data travels much faster in the snow — ← Mova's choice · no support
- 2. Cold air helps keep the servers cool — ✓ the right answer · no support
- 3. Iceland has no internet laws at all — no support
- 4. Servers only work properly on ice — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 11 · ★★ · wrong ✗
Why is a web page chopped into packets instead of sent all in one piece?
- 1. Packets are prettier on the screen — no support
- 2. Packets make the page smaller on your screen — ← Mova's choice · score 5
- 3. Small packets can each find a free path and a lost one can be sent again — ✓ the right answer · no support
- 4. Big pieces are not allowed by law — no support
Why: It took the question to ask why something happens (its cause). It chose option 2 with score 5, the only option with support. Its support: lesson 37, line 1: «The internet is not one machine; it is a network of networks, millions of computers joined together. When you open a web page, it is chopped into small packets…», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «page» (+4); the same property (+1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Exam question 1 · formal language · right ✓
Which of the following statements most accurately characterises the internet?
- 1. A network of networks through which data is transmitted in packets via routers — ← Mova's choice · ✓ the right answer · no support
- 2. A single computer of great size situated in one country — no support
- 3. A satellite which broadcasts web pages to all dwellings — no support
- 4. A cable connecting each dwelling to a single shop — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 2 · formal language · right ✓
Identify the principal means by which data is conveyed between continents.
- 1. Vessels transporting storage devices — no support
- 2. Radio waves reflected from the surface of the ocean between the continents — no support
- 3. Satellites exclusively — no support
- 4. Cables laid upon the sea floor containing glass fibres — ← Mova's choice · ✓ the right answer · score 6
Why: It took the question to ask which statement is true. It chose option 4 with score 6, the only option with support. Its support: lesson 37, line 2: «To cross oceans, most of the internet does not fly through space. It goes through cables lying on the sea floor, with glass threads as thin as a hair inside, c…», reached through the remembered sentence the question matched. What matched: the same action «carry» (+4); the same doer «cables» (+4). Against it: a different thing acted on (counts against) (-2). · the question and its options parsed, with trees and pragmatics
Exam question 3 · formal language · wrong ✗
Select the response consistent with the established facts concerning requests for a password received by message.
- 1. A bank shall request a password by message annually — ← Mova's choice · score 6
- 2. A password may be disclosed where the matter is urgent — no support
- 3. A bank shall never request a password by message, and such a message is to be reported to an adult — ✓ the right answer · score 6
- 4. A password may be disclosed where a prize is offered — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 37, line 14: «Online scams are fake messages that pretend to be someone you trust to get passwords or money; banks will never ask for your password by message.», reached through the remembered sentence the question matched. What matched: the same doer «banks» (+4); the same circumstance (+4). Against it: a different action (counts against) (-2). The right option, 3, scored 6. · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · wrong ✗
Ascertain the reason for which certain data centres are constructed in cold regions.
- 1. Snow improves the reliability of the electricity supplied to such establishments — ← Mova's choice · no support
- 2. The expense of cooling the servers is thereby reduced — ✓ the right answer · no support
- 3. Computers function solely below freezing — no support
- 4. Cold air increases the velocity of data — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/technology/37-the-internet-and-undersea-cables/