Phones and computer chips
Tests: 5 of 12 right · Exam: 1 of 4 right · Kind: ★★ · Understood: 7 of 16 · Run: 2026-10-18, commit f3c23ea72
Lesson 9 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 ✗
«chips are made of sand?? lol no way» What is right?
- 1. No, chips are made of plastic, like toy bricks — ← Mova's choice · score 8
- 2. Yes, beach sand is printed on just as it comes — no support
- 3. No, computer chips are made of thin slices of potato — score 8
- 4. Silicon chips start from sand that is purified and grown into crystals — ✓ the right answer · no support
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 9, line 2: «Chips are made in clean rooms with far less dust in the air than a hospital operating room, and workers wear full "bunny suits", because one speck of dust can…», reached through the remembered sentence the question matched. What matched: the same action «make» (+4); the same thing acted on «chips» (+4). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 2 · ★★ · wrong ✗
«screen's cracked but still works, I'll just keep swiping» What is the safe advice?
- 1. Pick the loose bits of glass out with your nails — ← Mova's choice · no support
- 2. Cover the crack until it is fixed, as broken glass can cut — ✓ the right answer · no support
- 3. Lick the crack to seal it — no support
- 4. Keep swiping, because phone glass is made so that it can never cut you — 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 · ★★ · wrong ✗
«my old phone's just junk in the drawer» What is the clever answer?
- 1. Phones left in a drawer slowly recharge themselves and work again — ← Mova's choice · no support
- 2. It has no metal in it that is worth anything — no support
- 3. Old phones slowly turn back into sand in a drawer — no support
- 4. It holds metals like gold and copper that recycling can reuse — ✓ the right answer · no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 4 · ★★ · right ✓
«chucked a dead phone battery in the kitchen bin, sorted» What is right?
- 1. Wrong: batteries in bins can catch fire, so take them to recycling — ← Mova's choice · ✓ the right answer · score 6
- 2. Fine, as long as the bin lid is shut tight — no support
- 3. Right, batteries go with the food waste — no support
- 4. Fine: a dead battery has nothing left in it, so it can never burn — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 6, the only option with support. Its support: lesson 9, line 5: «Phone batteries can catch fire if they are crushed or thrown in the household bin, so old phones go to proper recycling points.», reached through the same lesson line as the sentence the question matched. What matched: the same action «catch» (+2); the same doer «phone batteries» (+2); the same thing acted on «fire» (+2). · the question and its options parsed, with trees and pragmatics
Test 5 · ★★ · right ✓
What would happen if a speck of dust fell on a chip while it was being printed?
- 1. The dust would turn into a new switch — no support
- 2. Nothing, chips need a little dust — no support
- 3. The chip would become faster — no support
- 4. That chip could be ruined — ← Mova's choice · ✓ the right answer · score 6
Why: It took the question to ask what happens next. It chose option 4 with score 6, the only option with support. Its support: lesson 9, line 8: «Chip clean rooms filter their air all the time, so there is far less dust than in a hospital operating room, and workers wear full bunny suits because one spec…», reached through the option's own match among the sentences about the question's things. What matched: the same action «ruin» (+2); the same doer «one speck» (+2); the same thing acted on «chip» (+2). · the question and its options parsed, with trees and pragmatics
Test 6 · ★★ · wrong ✗
«gloves on, can't swipe, phone's broke» What is right?
- 1. The phone breaks in cold weather and needs fixing — no support
- 2. The screen needs the electricity of skin, which most gloves block — ✓ the right answer · no support
- 3. Touch screens only work in the summer months — ← Mova's choice · score 1
- 4. Gloves are too slippery for the glass to feel — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 1, the only option with support. Its support: lesson 9, line 12: «Touch screens do not work with most gloves because they need the electricity of your skin; a cracked screen can cut fingers, so cover it until it is fixed.», reached through the option's own match among the sentences about the question's things. What matched: the same action «work» (+2); the same doer «touch screens» (+2). Against it: one says «not», the other does not (counts against) (-3). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 7 · ★★ · right ✓
«my bro says QWERTY's in that order to slow typists down, 100% fact» What is right?
- 1. That is one popular story, and historians still argue about it — ← Mova's choice · ✓ the right answer · score 4
- 2. Yes, it is proven beyond any doubt, and every typing book says so — no support
- 3. No, the keys are really in alphabetical order — no support
- 4. No, a computer chose the best order in 1990 — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 4, the only option with support. Its support: lesson 9, line 19: «The QWERTY order of keys comes from typewriters of the 1870s; a popular story says it slowed typists so the keys would not jam, but historians still argue abou…», reached through the same lesson line as the sentence the question matched. What matched: the same action «argue» (+2); the same doer «historians» (+2). · the question and its options parsed, with trees and pragmatics
Test 8 · ★★ · wrong ✗
A test lab dunks 1 phone in every 4. Out of 20 phones, how many get dunked?
- 1. 4 — ← Mova's choice · no support
- 2. 80 — no support
- 3. 16 — no support
- 4. 5 — ✓ 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 · ★★ · wrong ✗
In a film one person builds a phone alone in a garage in a day. What is the truth for real phones?
- 1. Phones are grown from seeds in special greenhouses — ← Mova's choice · score 6
- 2. Parts come from many countries and are put together in big factories — ✓ the right answer · score 5
- 3. Phones are carved from a single block of metal — score 6
- 4. One clever person builds each phone alone from scratch — score 6
Why: It took the question to ask what it is done to. 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 9, line 3: «A phone is put together from parts made by many companies in many countries: screens, batteries, cameras, chips and cases meet in big assembly factories, many…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+5); the same thing acted on «phone» (+3). Against it: a different action (counts against) (-2). The right option, 2, scored 5. · the question and its options parsed, with trees and pragmatics
Test 10 · ★★ · wrong ✗
A laptop has 4 rows of 12 keys, no wait, 4 rows of 10. How many keys is that?
- 1. 14 — ← Mova's choice · no support
- 2. 40 — ✓ the right answer · no support
- 3. 44 — no support
- 4. 48 — 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 ✓
«gold in phones, so I'll smash mine and get rich» What is right?
- 1. One phone holds only a tiny bit, and smashing it can start a battery fire — ← Mova's choice · ✓ the right answer · no support
- 2. Each phone hides a small bar of gold inside, so smashing it open is worth it — no support
- 3. Phone gold appears only if you burn it — no support
- 4. Smashing a phone makes its gold shine out — no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 12 · ★★ · right ✓
«spilt me juice on the laptop, it's fine, it'll dry» What is the safer habit?
- 1. Keep drinks away from laptops, as spills can ruin them — ← Mova's choice · ✓ the right answer · no support
- 2. Laptops are always waterproof, so a spill can't really hurt — no support
- 3. Pour water on straight away to wash the juice off — no support
- 4. Juice is good for the keys and makes them press more softly — 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 · right ✓
Which of the following statements most accurately characterises the environment within a semiconductor clean room?
- 1. The room is left open to the outdoors so as to provide ample ventilation — no support
- 2. The room is maintained at the temperature of an oven — no support
- 3. The air is deliberately charged with dust in order to protect the delicate chips — no support
- 4. The air is continually filtered, such that far less dust is present than in a hospital operating room — ← Mova's choice · ✓ the right answer · score 8
Why: It took the question to ask who or what does it. It chose option 4 with score 8, the only option with support. Its support: lesson 9, line 8: «Chip clean rooms filter their air all the time, so there is far less dust than in a hospital operating room, and workers wear full bunny suits because one spec…», reached through a sentence linked to the one the question matched. What matched: it fills the role the question asks for (+3); the same doer «less dust» (+2); its «because» matches the remembered cause (+2); the same light verb (be, have, do, get, go) (+1). · the question and its options parsed, with trees and pragmatics
Exam question 2 · formal language · wrong ✗
Identify the principal reason for which touch screens fail to respond to most gloved fingers.
- 1. The screen responds only to the sound of a tap — ← Mova's choice · no support
- 2. Gloves are too heavy for the screen to register — no support
- 3. The screen responds solely to the warmth of a finger, and gloved fingers are invariably too cold — no support
- 4. The screen detects a small electrical change produced by the skin, which gloves obstruct — ✓ 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
Exam question 3 · formal language · wrong ✗
Select the response consistent with the established facts concerning the disposal of mobile telephones.
- 1. They are dissolved by water once flushed into the drain — ← Mova's choice · no support
- 2. They must not be placed in household waste, since their batteries may ignite — ✓ the right answer · no support
- 3. They may safely be placed with food waste for collection — no support
- 4. They contain no recoverable materials of any value whatsoever — no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · wrong ✗
Determine the aggregate number of keys upon a keyboard possessing five rows of fourteen keys each.
- 1. Fifty-six — ← Mova's choice · no support
- 2. Nineteen — no support
- 3. Seventy — ✓ the right answer · no support
- 4. Eighty-four — 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/9-phones-and-computer-chips/