App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 372 · 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.💡 Which is a problem statement? (a) “Make it fast” (b) “Add a logo” (c) “Kids forget homework” (d) “Use blue buttons”
2. 2.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
3. 3.Which of these happens at the test stage? (a) pick the features (b) write the store text (c) list what users need (d) let friends try it
4. 4.🔍 Which is the odd one out? (a) a word battle (b) a puzzle with levels (c) a racing challenge (d) a sleep tracker
5. 5.True or false: a calculator is a tool app. (a) False (b) True
6. 6.True or false: you write the store text at the release stage. (a) False (b) True
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 13; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 1 (b) line 2 (c) line 3
8. 8.👥 A cricket club app has 190 players, 195 coaches and 235 fans as users. How many more fans than players are there?
9. 9.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) see where the bus is (c) rate the driver (d) change the bus icon
10. 10.Which of these is a screen? (a) tap to Start (b) the game-over page (c) a slider for volume (d) today’s step count
11. 11.🔍 Which is the odd one out? (a) a word battle (b) a racing challenge (c) a cricket run chase (d) an alarm clock
12. 12.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money spent (b) savings stickers (c) add money received (d) show the balance
13. 13.True or false: today’s step count is data. (a) True (b) False
14. 14.🛠️ At which stage do you put it on an app store? (a) the release stage (b) the plan stage (c) the test stage (d) the idea stage
15. 15.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “no quiet study place”?
    no quiet study place: 8 votes
    forgetting birthdays: 5 votes
    forgetting homework: 24 votes
16. 16.🔢 After an app is released, which comes first: “release an update” or “list what to fix”? (a) list what to fix (b) release an update
17. 17.👥 A school app has 135 students, 170 teachers and 285 parents as users. How many users does it have in all?
18. 18.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) share your streak (d) set a reminder time
19. 19.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Phone
    [button] Save
    [button] Start
    [button] Back
    [slider] Text size
20. 20.🔍 Which is the odd one out? (a) spot a problem to solve (b) try every button (c) list what users need (d) talk to possible users
21. 21.⚙️ In an app, is working out a tip an input, processing or an output? (a) input (b) output (c) processing
22. 22.Which of these is true of an app? (a) opens from a link (b) has a home-screen icon (c) has a web address (d) needs no installing
23. 23.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 7 votes
    missing the bus: 21 votes
    losing water bottles: 8 votes (a) wasting pocket money (b) losing water bottles (c) missing the bus
24. 24.True or false: a website updates from the store. (a) True (b) False
25. 25.True or false: an app that just says hi solves no real problem. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a step counter (b) a sleep tracker (c) a water reminder (d) a times-table quiz
27. 27.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    losing water bottles: 18 votes
    forgetting birthdays: 20 votes
    forgetting homework: 11 votes
28. 28.True or false: a homework planner is the best fit for a pupil juggling five projects. (a) False (b) True
29. 29.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 260; // typed by the user
    line 2: let off = 30; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 3 (b) line 2 (c) line 4 (d) line 1
30. 30.🧩 What do we call one full page of an app? (a) a variable (b) a screen (c) a cable (d) a battery
31. 31.👥 A school app has 240 students, 235 teachers and 260 parents as users. Which user group is the biggest? (a) students (b) parents (c) teachers
32. 32.🗒️ What is a must-have feature? (a) one the app cannot skip (b) a sound effect (c) a colour theme (d) a nice extra
33. 33.🎯 A short made-up profile of a typical user is called a ___. (a) password (b) pixel (c) protocol (d) persona
34. 34.👥 A library app has 75 readers, 260 librarians and 35 volunteers as users. How many users does it have in all?
35. 35.True or false: today’s step count is an input. (a) False (b) True
36. 36.📅 An app team plans for 3 days, builds for 7 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
37. 37.🛠️ At which stage do you write down the bugs? (a) the test stage (b) the idea stage (c) the release stage (d) the build stage
38. 38.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
39. 39.⚙️ What number does this app show?
    let bill = 168; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
40. 40.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) show a question (c) check the answer (d) an avatar shop

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