Computers and screens
Tests: 5 of 11 right · Exam: 3 of 4 right · Kind: ★★ · Understood: 7 of 15 · Run: 2026-10-18, commit f3c23ea72
Lesson 36 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 · ★★ · right ✓
«my best mate wants my game password, he's my best mate so it's fine» What is the rule?
- 1. Never share a password, except with your parents — ← Mova's choice · ✓ the right answer · score 8
- 2. Share it if he shares his — score 8
- 3. Share it if you promise each other to change both of them next week — score 8
- 4. Share it with your best friend only — score 8
Why: It took the question to ask which statement is true. It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). 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 question and its options parsed, with trees and pragmatics
Test 2 · ★★ · wrong ✗
«doing homework on the laptop on my bed, it's dead hot, eh» What should you do?
- 1. Put it on a hard flat surface so the vents are not blocked — ✓ the right answer · no support
- 2. Put a pillow on it to cool it down — no support
- 3. Keep going, laptops cannot overheat — ← Mova's choice · score 1
- 4. Cover it with a blanket — no support
Why: It took the question to ask what is done. It chose option 3 with score 1, the only option with support. Its support: lesson 36, line 11: «Chips get hot, so a fan blows air over metal fins to carry the heat away; never block the vents, and a laptop on a bed can overheat.», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+2); the same action «overheat» (+1); the same doer «laptop» (+1). Against it: one says «not», the other does not (counts against) (-3). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 3 · ★★ · wrong ✗
In a movie, a computer gets clever by itself and decides to plan a party. What is true of real computers?
- 1. They think and feel exactly like people, and they get bored and want to have fun — ← Mova's choice · no support
- 2. They learn only by watching TV — no support
- 3. They follow programs written by people, step by step — ✓ the right answer · no support
- 4. They decide what to do with no 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 4 · ★★ · right ✓
«my brother reckons the cloud is a real cloud and rain might wipe my photos» What is the best correction?
- 1. The cloud is computers in data centres, reached through the internet — ← Mova's choice · ✓ the right answer · score 14
- 2. Right, so save photos on sunny days — no support
- 3. The cloud is inside the phone's camera — no support
- 4. Right, the cloud lives above the house — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 14, the only option with support. Its support: lesson 36, line 14: «The cloud is really other people's computers in big data centres, reached through the internet, and data centres use huge amounts of electricity and cooling.», reached through the remembered sentence the question matched. What matched: the same doer «cloud» (+4); the same thing acted on «computers» (+4); the same place «big data centres» (+4); the same light verb (be, have, do, get, go) (+2). · the question and its options parsed, with trees and pragmatics
Test 5 · ★★ · right ✓
You look at a white part of a screen through a magnifying glass. What do you see?
- 1. Tiny red, green and blue dots — ← Mova's choice · ✓ the right answer · no support
- 2. Nothing, the screen is smooth — no support
- 3. Tiny black and white squares — no support
- 4. Tiny white dots only — 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 ✓
What would happen if a computer's fan broke while you played a big game?
- 1. The chips would get too hot, and it might slow down or switch itself off — ← Mova's choice · ✓ the right answer · score 4
- 2. The screen would turn blue forever — no support
- 3. Nothing, fans are only for decoration — score 4
- 4. It would run faster because it is quieter — score 4
Why: It took the question to ask what happens next. It chose option 1 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 36, line 11: «Chips get hot, so a fan blows air over metal fins to carry the heat away; never block the vents, and a laptop on a bed can overheat.», reached through a sentence linked to the one the question matched. What matched: the same doer «chips» (+2); the same property (+1); the same light verb (be, have, do, get, go) (+1). · the question and its options parsed, with trees and pragmatics
Test 7 · ★★ · wrong ✗
Count them: in binary, each switch is on or off. How many different patterns can 2 switches make?
- 1. 8 — ← Mova's choice · no support
- 2. 4 — ✓ the right answer · no support
- 3. 3 — no support
- 4. 2 — 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 · ★★ · wrong ✗
Count them: a tiny screen picture is 4 pixels wide and 3 pixels tall. How many pixels?
- 1. 9 — ← Mova's choice · no support
- 2. 7 — no support
- 3. 16 — no support
- 4. 12 — ✓ the right answer · 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 · ★★ · right ✓
Count them: each pixel has 3 coloured parts. How many coloured parts in 5 pixels?
- 1. 15 — ← Mova's choice · ✓ the right answer · no support
- 2. 8 — no support
- 3. 20 — no support
- 4. 10 — 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 I need a long password, short ones are easier, duh» What is the best answer?
- 1. Length does not matter at all — ← Mova's choice · no support
- 2. Long ones are much harder for strangers to guess — ✓ the right answer · no support
- 3. Short ones are harder to guess — no support
- 4. Long passwords slow the computer down every time you log in to a game — 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 ✗
«mouse ain't working on the glass table, stupid thing» What is the likely reason?
- 1. Glass is too cold for mice — ← Mova's choice · no support
- 2. The mouse's ball fell out — no support
- 3. Its camera cannot see any pattern on clear glass to track — ✓ the right answer · no support
- 4. Mice only work on wooden desks and the glass makes the light go out — 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 1 · formal language · wrong ✗
Identify the form in which a computer retains all data, including images and sound.
- 1. Miniature printed images — ← Mova's choice · no support
- 2. Sequences of ones and zeros, corresponding to switches in the on or off state — ✓ the right answer · no support
- 3. Letters of the alphabet — no support
- 4. Recordings upon magnetic tape exclusively — 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 ✓
Which of the following statements most accurately characterises a computer program?
- 1. The external casing of the apparatus — no support
- 2. A list of exact instructions, composed by programmers, which the computer executes — ← Mova's choice · ✓ the right answer · score 6
- 3. A television broadcast concerning computers — no support
- 4. The electrical supply of the apparatus — no support
Why: It took the question to ask who or what does it. It chose option 2 with score 6, the only option with support. Its support: lesson 36, line 7: «A computer program is a list of exact instructions written by programmers in a language the computer can follow; Ada Lovelace, in the 1840s, is often called th…», reached through the same lesson line as the sentence the question matched. What matched: the same action «write» (+4); the same thing acted on «exact instructions» (+2). · the question and its options parsed, with trees and pragmatics
Exam question 3 · formal language · right ✓
Select the response consistent with the established facts concerning the location of data saved to the cloud.
- 1. It is retained exclusively within the user's own device — no support
- 2. It is retained upon computers housed in data centres and accessed through the internet — ← Mova's choice · ✓ the right answer · score 8
- 3. It is retained within clouds in the atmosphere — no support
- 4. It is retained upon a satellite positioned above each dwelling — no support
Why: It took the question to ask which statement is true. It chose option 2 with score 8, the only option with support. Its support: lesson 36, line 14: «The cloud is really other people's computers in big data centres, reached through the internet, and data centres use huge amounts of electricity and cooling.», reached through the remembered sentence the question matched. What matched: the same thing acted on «computers» (+4); the same place «big data centres» (+4). · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · right ✓
Ascertain the reason for which the fan of a computer accelerates during demanding tasks.
- 1. The loudspeakers are thereby activated — no support
- 2. The chips generate additional heat which must be carried away — ← Mova's choice · ✓ the right answer · score 2
- 3. The battery requires agitation in order to release further electrical energy — no support
- 4. The screen requires additional air — no support
Why: It took the question to ask which statement is true. It chose option 2 with score 2, the only option with support. Its support: lesson 36, line 11: «Chips get hot, so a fan blows air over metal fins to carry the heat away; never block the vents, and a laptop on a bed can overheat.», reached through the option's own match among the sentences about the question's things. What matched: the same action «carry away» (+1); the same thing acted on «heat» (+1); the same property (+1). Against it: a different doer (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/technology/36-computers-and-screens/