App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 424 · 40 questions

Developer's tip (Name the topic): First decide which topic the question is about. Use that lesson’s rule: count, order, match or work it out. Read every line of a screen or a code snippet before you answer.

1. 1.💡 Does an app idea like an app that just says hi solve a real problem? (a) Yes (b) No
2. 2.Which of these app ideas solves a real problem? (a) a blank grey screen (b) an app that just says hi (c) a medicine reminder (d) a page of random dots
3. 3.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
4. 4.🎯 What is a user need? (a) a problem a user has (b) a type of button (c) a phone setting (d) a colour theme
5. 5.🧩 Which of these is a button on this screen?
   [title] Add Homework
   [text box] Due date
   [button] Cancel
   [button] Back
   [button] Next (a) Cancel (b) Due date
6. 6.Which of these is an output? (a) adding up a bill (b) typing your age (c) a pop-up message (d) taking a photo
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 15; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
8. 8.True or false: the settings page is a screen. (a) True (b) False
9. 9.💡 Which app idea solves this problem: bottles go missing at school? (a) a medicine reminder (b) a lost-and-found board (c) a homework planner (d) a study-room finder
10. 10.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) background music (c) check the answer (d) show the score
11. 11.Which of these is true of a website? (a) is installed on a phone (b) has a home-screen icon (c) opens in a web browser (d) comes from an app store
12. 12.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) water animations (c) share your streak (d) see today’s total
13. 13.True or false: the log-in page is a button. (a) True (b) False
14. 14.Which of these is a feature? (a) “I forget my homework” (b) a reminder alarm (c) “Small text is hard” (d) “I keep missing the bus”
15. 15.Which of these is true of an app? (a) opens in a web browser (b) needs no installing (c) has a web address (d) is installed on a phone
16. 16.👥 A school app has 100 students, 240 teachers and 280 parents as users. How many users does it have in all?
17. 17.Which of these is true of an app? (a) has a web address (b) needs no installing (c) comes from an app store (d) opens in a web browser
18. 18.🗒️ What is a must-have feature? (a) a nice extra (b) a colour theme (c) a sound effect (d) one the app cannot skip
19. 19.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
20. 20.🔍 Which is the odd one out? (a) a torch (b) an alarm clock (c) a unit converter (d) a racing challenge
21. 21.True or false: an app updates from the store. (a) False (b) True
22. 22.📅 An app team plans for 5 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
23. 23.⚙️ What number does this app show?
    let price = 120; // typed by the user
    let off = 10; // typed by the user
    let pay = price - off;
    show(pay);
24. 24.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 232; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 3 (c) line 1 (d) line 4
25. 25.🔍 Which is the odd one out? (a) typing your age (b) tapping a button (c) taking a photo (d) sorting the scores
26. 26.True or false: a racing challenge is a tool app. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) a water reminder (b) a step counter (c) a sleep tracker (d) a puzzle with levels
28. 28.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
29. 29.🧩 In an app, what is a box to type a name? (a) a button (b) an input (c) data (d) a screen
30. 30.🗒️ Version 1 of a bus tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    see where the bus is: 1 days
    show arrival time: 2 days
    pick your bus stop: 2 days
31. 31.Which of these is processing? (a) typing your age (b) taking a photo (c) a buzz (vibration) (d) sorting the scores
32. 32.🧩 Which of these is a button on this screen?
    [title] Settings
    [button] Done
    [button] Back
    [text box] Due date (a) Due date (b) Back
33. 33.🔍 Which is the odd one out? (a) a pop-up message (b) working out a tip (c) adding up a bill (d) sorting the scores
34. 34.🧩 Scores, notes and settings that an app keeps are called ___. (a) data (b) tabs (c) screens (d) buttons
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) share your streak (c) water animations (d) log a glass of water
36. 36.🗒️ Version 1 of a pocket-money tracker must be ready in 13 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 3 days
    show the balance: 5 days
37. 37.Which of these is an output? (a) adding up a bill (b) a buzz (vibration) (c) checking a password (d) typing your age
38. 38.🗒️ Version 1 of a quiz app must be ready in 11 days. How many days are left for extras after the must-haves?
    show a question: 3 days
    check the answer: 2 days
    show the score: 2 days
39. 39.True or false: a bus tracker is the best fit for a parent waiting at the bus stop. (a) False (b) True
40. 40.🧩 In an app, what is today’s step count? (a) a screen (b) a button (c) an input (d) data

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