App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 588 · 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.💡 A good app idea starts with ___. (a) a problem to solve (b) a cool logo (c) many colours (d) a long name
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 200; // 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 2 (b) line 1 (c) line 4 (d) line 3
3. 3.🗂️ What kind of app is a torch? (a) a health app (b) a learning app (c) a tool app (d) a game
4. 4.🔢 After an app is released, which comes first: “release an update” or “fix and improve”? (a) fix and improve (b) release an update
5. 5.🧩 Which part lets the user give the app information? (a) a logo (b) an input (c) an icon (d) a title
6. 6.📱 The word “app” is short for ___. (a) appetite (b) application (c) appointment (d) apparatus
7. 7.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) see today’s total (b) share your streak (c) water animations (d) custom alert sounds
8. 8.🔍 Which is the odd one out? (a) try every button (b) let friends try it (c) write down the bugs (d) talk to possible users
9. 9.🗒️ Version 1 of a homework planner must be ready in 10 days. How many days are left for extras after the must-haves?
   add a homework task: 1 days
   set a due date: 2 days
   see tasks by day: 5 days
10. 10.True or false: a water reminder is the best fit for a runner who forgets to sip water. (a) False (b) True
11. 11.True or false: adding up a bill is processing. (a) False (b) True
12. 12.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] City
    [button] Start
    [slider] Brightness
    [button] Back
    [text box] Phone
13. 13.🧩 Scores, notes and settings that an app keeps are called ___. (a) screens (b) buttons (c) data (d) tabs
14. 14.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
15. 15.🔢 When you make an app, which comes FIRST? (a) test the app (b) release it (c) build the app (d) get an idea
16. 16.True or false: an app updates from the store. (a) False (b) True
17. 17.👥 A cricket club app has 145 players, 245 coaches and 150 fans as users. How many more coaches than fans are there?
18. 18.⚙️ What number does this app show?
    let price = 30; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
19. 19.⚙️ In an app, is adding up a bill an input, processing or an output? (a) input (b) processing (c) output
20. 20.👥 A clinic app has 45 patients, 100 doctors and 115 nurses as users. Which user group is the biggest? (a) doctors (b) patients (c) nurses
21. 21.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 24 votes
    missing the bus: 21 votes
    no quiet study place: 19 votes (a) no quiet study place (b) wasting pocket money (c) missing the bus
22. 22.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) pie-chart colours (c) export to a file (d) add money spent
23. 23.🎯 Why learn about users before you build? (a) to make it longer (b) to slow it down (c) to build what they need (d) to pick a logo
24. 24.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Next
    [text box] Due date
    [text box] Subject
    [slider] Brightness
    [button] Back
    [text box] City
25. 25.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
26. 26.🔍 Which is the odd one out? (a) pick the features (b) sketch the screens (c) put it on an app store (d) draw the user flow
27. 27.👥 A clinic app has 275 patients, 45 doctors and 245 nurses as users. Which user group is the biggest? (a) nurses (b) doctors (c) patients
28. 28.📅 An app team plans for 4 days, builds for 10 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
29. 29.🗂️ What kind of app is a calculator? (a) a health app (b) a game (c) a tool app (d) a learning app
30. 30.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) very small (c) hard to use (d) finished fast
31. 31.Which of these is true of a website? (a) opens in a web browser (b) has a home-screen icon (c) updates from the store (d) is installed on a phone
32. 32.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [text box] Name
    [button] Done
    [button] Back
    [text box] Phone
    [slider] Volume
    [button] Cancel
33. 33.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Done
    [slider] Text size
    [text box] Name
    [text box] Age
    [switch] Sound
34. 34.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Due date
    [slider] Text size
    [button] Next (a) Next (b) Due date (c) Text size
35. 35.True or false: a bus tracker is the best fit for a teen learning to make snacks. (a) True (b) False
36. 36.🗒️ Version 1 of a pocket-money tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    add money received: 3 days
    add money spent: 1 days
    show the balance: 2 days
37. 37.⚙️ In an app, is typing your age an input, processing or an output? (a) output (b) processing (c) input
38. 38.🔍 Which is the odd one out? (a) adding up a bill (b) typing your age (c) taking a photo (d) tapping a button
39. 39.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
40. 40.🧩 In an app, what is the settings page? (a) a screen (b) a button (c) an input (d) data

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students