App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 410 · 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.💡 After a survey, which need should version 1 solve? (a) the most common need (b) a random need (c) the rarest need (d) the newest trend
2. 2.True or false: an app updates from the store. (a) True (b) False
3. 3.True or false: you put it on an app store at the release stage. (a) False (b) True
4. 4.💡 Does an app idea like a lost-and-found board solve a real problem? (a) No (b) Yes
5. 5.🗒️ Version 1 of a pocket-money tracker must be ready in 11 days. How many days are left for extras after the must-haves?
   add money received: 2 days
   add money spent: 1 days
   show the balance: 4 days
6. 6.🔍 Which is the odd one out? (a) typing your age (b) taking a photo (c) tapping a button (d) a buzz (vibration)
7. 7.True or false: a recipe finder is the best fit for a cook with no idea for dinner. (a) True (b) False
8. 8.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting birthdays: 7 votes
   missing the bus: 10 votes
   wasting pocket money: 14 votes (a) wasting pocket money (b) forgetting birthdays (c) missing the bus
9. 9.🧩 How many buttons does this app screen have?
   [title] New Note
   [text box] Due date
   [slider] Volume
   [text box] Subject
   [switch] Sound
   [button] Cancel
   [button] Back
10. 10.🧩 What does a button do when you tap it? (a) changes the phone (b) starts an action (c) shows the time (d) saves the battery
11. 11.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Save
    [text box] Notes
    [slider] Brightness
    [button] Next
    [button] Send
12. 12.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) input (c) output
13. 13.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
14. 14.🔢 After an app is released, what comes right after “read user reviews”? (a) test it again (b) release an update (c) list what to fix (d) fix and improve
15. 15.🧩 In an app, what is the home page of an app? (a) an input (b) a button (c) a screen (d) data
16. 16.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Back
    [text box] Subject
    [button] Save
    [text box] Phone
    [button] Next
17. 17.🗂️ What kind of app is a step counter? (a) a tool app (b) a game (c) a learning app (d) a health app
18. 18.Which of these happens at the build stage? (a) list what users need (b) talk to possible users (c) put it on an app store (d) connect the data
19. 19.Which of these is true of a website? (a) has a home-screen icon (b) comes from an app store (c) is installed on a phone (d) has a web address
20. 20.True or false: a pop-up message is processing. (a) False (b) True
21. 21.🧩 In an app, what is your saved notes? (a) a button (b) a screen (c) an input (d) data
22. 22.📅 An app team plans for 5 days, builds for 6 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
23. 23.⚙️ 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 2 (b) line 3 (c) line 1
24. 24.🧩 In an app, what is today’s step count? (a) a screen (b) an input (c) data (d) a button
25. 25.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) earn stickers (c) share tasks to friends (d) see tasks by day
26. 26.⚙️ In an app, is a result on screen an input, processing or an output? (a) input (b) processing (c) output
27. 27.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 6 votes
    losing water bottles: 16 votes
    forgetting homework: 18 votes (a) no quiet study place (b) losing water bottles (c) forgetting homework
28. 28.True or false: a library due-date alert solves a real problem. (a) True (b) False
29. 29.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) input (b) processing (c) output
30. 30.👥 A clinic app has 240 patients, 105 doctors and 125 nurses as users. How many more patients than doctors are there?
31. 31.🗒️ Version 1 of a homework planner must be ready in 7 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 1 days
    see tasks by day: 4 days
32. 32.⚙️ What number does this app show?
    let bill = 148; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) see today’s total (c) custom alert sounds (d) water animations
34. 34.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) see today’s total (c) water animations (d) log a glass of water
35. 35.👥 A clinic app has 115 patients, 35 doctors and 200 nurses as users. Which user group is the biggest? (a) patients (b) nurses (c) doctors
36. 36.Which of these is true of an app? (a) comes from an app store (b) opens in a web browser (c) needs no installing (d) has a web address
37. 37.🔔 What is a message an app shows on your lock screen called? (a) a web address (b) a notification (c) a variable (d) a wireframe
38. 38.True or false: a unit converter is a game. (a) False (b) True
39. 39.True or false: a website comes from an app store. (a) False (b) True
40. 40.🧩 In an app, what is a slider for volume? (a) data (b) an input (c) a button (d) a screen

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