Inventions, computers and the internet

Tests: 7 of 13 right · Exam: 3 of 4 right · Kind: ★★ · Understood: 8 of 17 · Run: 2026-10-18, commit f3c23ea72

Lesson 59 of the world 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 ✗

A video from a friend in another country arrives on your tablet. What really happened?

1. It was already inside your tablet — ← Mova's choice · no support
2. It travelled as many small packets that were put back together — ✓ the right answer · no support
3. It was copied by hand and posted — no support
4. It flew through space in one piece — 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 2 · ★★ · wrong ✗

A ship's anchor damages an undersea cable. What happens to internet messages that used it?

1. The messages turn into sound waves — ← Mova's choice · no support
2. Routers send the packets along other paths — ✓ the right answer · no support
3. The messages sink to the seabed — no support
4. All of the internet in the world stops for ever — 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 ✓

Which is true about how computers keep information?

1. Words, pictures and music are all stored as numbers — ← Mova's choice · ✓ the right answer · score 5
2. Computers keep tiny printed copies of every page inside — score 2
3. Only words can be stored in a computer — score 5
4. Computers remember things the way people dream — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 59, line 3: «A computer is a machine that follows instructions called a program. Inside, it stores everything — letters, pictures, sounds — as numbers, made in the end of j…», reached through the remembered sentence the question matched. What matched: the same circumstance (+4); the same action «store» (+3). Against it: a different thing acted on (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 4 · ★★ · right ✓

Why can a fibre-optic cable carry so much information so fast?

1. It is much thicker than a copper wire — no support
2. It uses flashes of light — ← Mova's choice · ✓ the right answer · score 3
3. It uses sound, which is faster than light — no support
4. It is filled with very fast water — no support

Why: It took the question to ask why something happens (its cause). It chose option 2 with score 3, the only option with support. Its support: lesson 59, line 14: «Fibre-optic cables carry information as flashes of light.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «light» (+2); the same action «flash» (+1). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · wrong ✗

A girl posts a photo and then deletes it an hour later. Is it surely gone?

1. No, but only because the server froze — ← Mova's choice · no support
2. Yes, photos vanish after an hour — no support
3. No, someone may already have copied it — ✓ the right answer · no support
4. Yes, pressing delete removes every single copy — 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 6 · ★★ · right ✓

Your laptop shows a page from a library's website. Where was the page kept before you asked for it?

1. On a piece of paper in the library — no support
2. In the Wi-Fi radio waves — no support
3. Inside your laptop all along — no support
4. On the library's server computer — ← Mova's choice · ✓ the right answer · score 5

Why: It took the question to ask where. It chose option 4 with score 5, the only option with support. Its support: lesson 59, line 5: «At the end, the receiving computer puts the packets back together in the right order. A website is stored on a computer called a server, and your device asks t…», reached through a sentence linked to the one the question matched. What matched: it fills the role the question asks for (+3); the same place «computer» (+2). · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · wrong ✗

Why did the printing press help science grow faster?

1. It made paper stronger than metal — ← Mova's choice · no support
2. It stopped people arguing about ideas — no support
3. Scientists could share their ideas with many readers quickly — ✓ the right answer · no support
4. It made experiments happen by themselves — 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 ✓

A program tells a robot "move forward, turn left, move forward". What happens if one step is missing?

1. The robot does only what the program says, so it goes wrong — ← Mova's choice · ✓ the right answer · no support
2. The robot always repeats the first step — no support
3. The robot guesses the missing step correctly — no support
4. The robot ignores the whole program — 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 ✗

Which of these is an invention built on the telephone and the radio?

1. The printing press — ← Mova's choice · no support
2. The candle — no support
3. The mobile phone — ✓ the right answer · no support
4. The wheel — 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 · ★★ · right ✓

how's my msg get to my nan in canada so fast

1. It is split into packets that travel through cables, fibres and radio waves — ← Mova's choice · ✓ the right answer · no support
2. It is printed and sent by plane — no support
3. It flies there by satellite pigeon — no support
4. It goes by post overnight — 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 · ★★ · right ✓

where's a website actually kept

1. On a computer called a server — ← Mova's choice · ✓ the right answer · score 10
2. Inside the battery of your phone — no support
3. In the air somewhere above the house — no support
4. Inside your own screen at home — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 10, the only option with support. Its support: lesson 59, line 5: «At the end, the receiving computer puts the packets back together in the right order. A website is stored on a computer called a server, and your device asks t…», reached through the same lesson line as the sentence the question matched. What matched: the same action «call» (+4); the same doer «computer» (+4); the same thing acted on «server» (+2). · the question and its options parsed, with trees and pragmatics

Test 12 · ★★ · wrong ✗

my mate says it's fine to post your home address online cos you can delete it. true?

1. Yes, deleting removes every copy — ← Mova's choice · no support
2. No, but you can post your phone number — no support
3. No, others can copy and keep it, so keep personal details private — ✓ the right answer · no support
4. Yes, nobody can see posts — 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 13 · ★★ · right ✓

a video said computers understand words just like people. right?

1. No, they understand only pictures — score 2
2. Yes, they think in English — no support
3. No, they store everything as numbers of 0s and 1s and follow programs — ← Mova's choice · ✓ the right answer · score 10
4. Yes, they read like people — score 2

Why: It took the question to ask which statement is true. It chose option 3 with score 10, against 2 for the next best. Its support: lesson 59, line 3: «A computer is a machine that follows instructions called a program. Inside, it stores everything — letters, pictures, sounds — as numbers, made in the end of j…», reached through the remembered sentence the question matched. What matched: the same circumstance (+4); the same action «store» (+3); the same doer «computer» (+2); the same thing acted on «everything» (+1). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · right ✓

Which of the following statements most accurately characterises a program?

1. A list of instructions which a computer follows — ← Mova's choice · ✓ the right answer · score 9
2. A cable conveying flashes of light — score 7
3. A machine which joins computers together across the world — score 0
4. A computer upon which websites are stored — no support

Why: It took the question to ask who or what does it. It chose option 1 with score 9, against 7 for the next best. Its support: lesson 59, line 3: «A computer is a machine that follows instructions called a program. Inside, it stores everything — letters, pictures, sounds — as numbers, made in the end of j…», reached through the remembered sentence the question matched. What matched: the same action «follow» (+4); the same thing acted on «instructions» (+4); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

Ascertain the form in which a computer stores letters, pictures and sounds.

1. As small printed images upon paper — no support
2. As sounds recorded upon a tape — no support
3. As numbers composed of 0s and 1s — ← Mova's choice · ✓ the right answer · score 3
4. As letters of the ordinary alphabet — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 3, the only option with support. Its support: lesson 59, line 10: «A computer stores letters, pictures and sounds as numbers made of 0s and 1s.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «numbers» (+2); the same circumstance (+2). Against it: a different action (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

Identify the principal consequence of the invention of the printing press.

1. Handwriting was prohibited by law — ← Mova's choice · no support
2. The internet was established forthwith — no support
3. Books became cheaper and knowledge spread more widely — ✓ the right answer · no support
4. Books became more costly and rarer than they were before — 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 4 · formal language · right ✓

Select the response that is consistent with the established facts concerning the transmission of a message across the internet.

1. It is carried exclusively by the postal service — no support
2. It is transmitted solely by telephone operators — no support
3. It is conveyed whole as a single sealed letter — no support
4. It is divided into small packets, each bearing an address — ← Mova's choice · ✓ the right answer · score 2

Why: It took the question to ask which statement is true. It chose option 4 with score 2, the only option with support. Its support: lesson 59, line 12: «Messages on the internet are split into small packets, each with an address.», reached through the option's own match among the sentences about the question's things. What matched: the same place «small packets» (+2); the same action «split» (+1). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/world/59-inventions-computers-internet/