App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 30 · 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.🧩 How many buttons does this app screen have?
   [title] Order Snacks
   [button] Save
   [button] Help
   [text box] Name
   [slider] Brightness
   [button] Send
2. 2.🔍 Which is the odd one out? (a) speaking a command (b) tapping a button (c) a beep sound (d) taking a photo
3. 3.True or false: a step counter is a health app. (a) False (b) True
4. 4.Which of these is true of an app? (a) has a home-screen icon (b) opens from a link (c) needs no installing (d) opens in a web browser
5. 5.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
6. 6.True or false: a pocket-money tracker is the best fit for a reader who finds small print hard. (a) False (b) True
7. 7.Which of these is a user need? (a) a dark mode switch (b) a search bar (c) “I keep missing the bus” (d) a share button
8. 8.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Edit Profile
   [button] Save
   [text box] Name
   [button] Done
   [button] Start
9. 9.🎯 Which app would help this user most: a grandparent with weak eyesight? (a) a recipe finder (b) a big-text reader (c) a bus tracker (d) a homework planner
10. 10.Which of these is true of an app? (a) opens in a web browser (b) is installed on a phone (c) needs no installing (d) opens from a link
11. 11.Which of these is an input? (a) a switch for dark mode (b) the settings page (c) the log-in page (d) the home page of an app
12. 12.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) output (c) input
13. 13.👥 A school app has 190 students, 45 teachers and 20 parents as users. How many more students than parents are there?
14. 14.True or false: a page of random dots solves a real problem. (a) False (b) True
15. 15.🗂️ What kind of app is a step counter? (a) a tool app (b) a health app (c) a game (d) a learning app
16. 16.👥 A library app has 40 readers, 150 librarians and 285 volunteers as users. How many more volunteers than readers are there?
17. 17.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 11; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
18. 18.True or false: a bus tracker is the best fit for a teen whose money runs out by Friday. (a) True (b) False
19. 19.Which of these is true of an app? (a) comes from an app store (b) opens from a link (c) opens in a web browser (d) has a web address
20. 20.📱 Where do people usually download phone apps from? (a) a web server (b) an app store (c) a charger (d) a printer
21. 21.True or false: a puzzle with levels is a tool app. (a) False (b) True
22. 22.True or false: a website updates from the store. (a) True (b) False
23. 23.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 10 votes
    wasting pocket money: 7 votes
    losing water bottles: 24 votes (a) forgetting birthdays (b) wasting pocket money (c) losing water bottles
24. 24.👥 A library app has 230 readers, 160 librarians and 205 volunteers as users. Which user group is the biggest? (a) librarians (b) volunteers (c) readers
25. 25.Which of these is an input? (a) a pop-up message (b) a buzz (vibration) (c) tapping a button (d) a result on screen
26. 26.⚙️ What number does this app show?
    let price = 270; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
27. 27.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “no quiet study place”?
    losing water bottles: 24 votes
    no quiet study place: 7 votes
    forgetting birthdays: 12 votes
28. 28.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Email
    [button] Send
    [text box] Name
    [button] Start
29. 29.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) show the balance (c) add money spent (d) pie-chart colours
30. 30.📱 The word “app” is short for ___. (a) appetite (b) appointment (c) apparatus (d) application
31. 31.🗂️ What kind of app is a puzzle with levels? (a) a game (b) a learning app (c) a tool app (d) a health app
32. 32.👥 A school app has 225 students, 20 teachers and 25 parents as users. How many more students than teachers are there?
33. 33.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 270; // 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 1 (b) line 4 (c) line 2 (d) line 3
34. 34.Which of these is a button? (a) tap to Save (b) today’s step count (c) your friends list (d) your saved notes
35. 35.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 9 votes
    missing the bus: 25 votes
    no quiet study place: 14 votes (a) no quiet study place (b) wasting pocket money (c) missing the bus
36. 36.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
    no quiet study place: 20 votes
    wasting pocket money: 25 votes
    forgetting birthdays: 15 votes
37. 37.True or false: you talk to possible users at the idea stage. (a) False (b) True
38. 38.👥 A cricket club app has 60 players, 125 coaches and 150 fans as users. How many users does it have in all?
39. 39.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) CPU (c) MVP (d) FAQ
40. 40.True or false: a sleep tracker is a tool app. (a) True (b) False

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