Explaining what each part does in a sentence
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. Which sentence describes a part, its job and why, using a good starter?
2. Which sentence uses the word 'because' to explain a part's job?
3. Which sentence says how a part helps the NEXT part?
4. You are describing a tablet to a friend. Which is the clearer explanation?
5. Which sentence correctly says what the speaker does?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1The CPU is the brain because it runs instructions. | AThe job described (playing sound) is an output job, but the sentence calls the speaker storage, so the name and the job do not match. | |
| 2The screen shows the picture so the player can see the game. | BThe touchscreen sends my tap to the CPU so the phone can respond. | |
| 3Use a sentence starter to name a part and explain its job with 'because' | CThe RAM is the desk because it holds what the CPU is using now. | |
| 4Describe a part of a phone and say how it helps the next part | DIt names the part but does not say its job or how it helps the next part. It has no 'because'. | |
| 5The CPU is a part. | ENames an output part, says what it does and how that helps the next step: the player sees the game. | |
| 6The speaker is the storage because it plays the sound out loud. | FNames a part (CPU), says its job (runs instructions) and uses 'because' to explain why it is called the brain. |
C
Definitions
The CPU is the brain because it runs instructions.
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
The CPU is the brain _______ it runs
instructions.
2.
The ___ is the short-term memory because
it holds data while the device is on.
3.
The screen is an ______ device because
it shows the picture to the user.
4.
The _______ keeps my saved games even when
the console is off.
5.
The ___________ joins the parts together
so the console works as one system.
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
A phone is a digital system.
B
The touchscreen is an input.
C
The CPU shows the pictures.
Question 2
A
A tablet is a digital system.
B
The RAM holds data in use.
C
The storage loses files fast.
Question 3
A
A console is a digital system.
B
The controller is an input.
C
The CPU is the screen because
D
it runs game instructions.
Question 4
A
A phone has a speaker.
B
The speaker is an input part
C
It lets us hear the music.
Question 5
A
I tap a key on my tablet.
B
The touchscreen is the input.
C
The CPU is the brain because
D
it only stores the photos.
Answer Key
Explaining what each part does in a sentence
Section A: Quick Questions
Q1
A — The CPU is the brain because it runs instructions.
Q2
A — The RAM is the short-term memory because it holds what the game is using right now.
Q3
A — The touchscreen sends your tap to the CPU, so the CPU can decide what to do.
Q4
B — The storage is the tablet's filing cabinet because it keeps my photos and apps even when it is off.
Q5
B — The speaker is an output device because it turns signals from the console into sound.
Section B: Match the Pairs
Q1
The CPU is the brain because it runs instructions. → Names a part (CPU), says its job (runs instructions) and uses 'because' to explain why it is called the brain.
Q2
The screen shows the picture so the player can see the game. → Names an output part, says what it does and how that helps the next step: the player sees the game.
Q3
Use a sentence starter to name a part and explain its job with 'because' → The RAM is the desk because it holds what the CPU is using now.
Q4
Describe a part of a phone and say how it helps the next part → The touchscreen sends my tap to the CPU so the phone can respond.
Q5
The CPU is a part. → It names the part but does not say its job or how it helps the next part. It has no 'because'.
Q6
The speaker is the storage because it plays the sound out loud. → The job described (playing sound) is an output job, but the sentence calls the speaker storage, so the name and the job do not match.
Section C: Definitions
Q1
The CPU is the brain because it runs instructions. — A short sentence that names a part, says its job and how it helps the next part. It uses a starter like 'The CPU is the...' and the word 'because' to explain.Section D: Fill in the Blanks
Q1
The CPU is the brain because it runs
instructions.Q2
The RAM is the short-term memory because
it holds data while the device is on.Q3
The screen is an output device because
it shows the picture to the user.Q4
The storage keeps my saved games even when
the console is off.Q5
The motherboard joins the parts together
so the console works as one system.Section E: Spot the Error
Q1
C — Showing pictures is the job of the screen, which is an output part. The CPU runs the apps, so the line should say 'The CPU runs the apps.'
Q2
C — Storage is for keeping files, even when the power is off. It should say 'The storage keeps files safe.'
Q3
C — The sentence starter names the wrong part. The CPU is the brain because it runs instructions. The screen is an output part.
Q4
B — A speaker sends sound out to us, so it is an output part. An input part sends data in.
Q5
D — The sentence says why the CPU is the brain, so it must give the CPU's job: working out what to do. Storing photos is the job of storage.