App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 961 · 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.⚙️ What number does this app show?
   let bill = 164; // typed by the user
   let friends = 4; // typed by the user
   let share = bill / friends;
   show(share);
2. 2.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a variable (d) a screen
3. 3.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money spent (b) savings stickers (c) export to a file (d) pie-chart colours
4. 4.📅 An app team plans for 2 days, builds for 9 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
5. 5.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a homework planner (b) a water reminder (c) a recipe finder (d) a pocket-money tracker
6. 6.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Sign Up
   [switch] Sound
   [button] Back
   [slider] Volume
   [text box] Phone
   [text box] Due date
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 370; // 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 4 (b) line 1 (c) line 2 (d) line 3
8. 8.🗒️ In MVP, the M stands for ___. (a) mobile (b) music (c) minimum (d) maximum
9. 9.🗒️ When should nice-to-have features be built? (a) on day one (b) never (c) before anything (d) after the must-haves
10. 10.True or false: a big-text reader is the best fit for a reader who finds small print hard. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) sorting the scores (b) working out a tip (c) adding up a bill (d) a result on screen
12. 12.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) pick a theme colour (c) set a due date (d) share tasks to friends
13. 13.👥 A library app has 120 readers, 300 librarians and 215 volunteers as users. How many users does it have in all?
14. 14.📴 Which of these can often still work with no internet? (a) a video call (b) a new website (c) an online search (d) an installed app
15. 15.🧩 In an app, what is a slider for volume? (a) a screen (b) data (c) an input (d) a button
16. 16.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
17. 17.🔍 Which is the odd one out? (a) a spelling coach (b) a sleep tracker (c) a water reminder (d) a step counter
18. 18.🔢 When you make an app, which comes LAST? (a) release it (b) plan the screens (c) get an idea (d) test the app
19. 19.True or false: tap to Save is a button. (a) True (b) False
20. 20.Which of these happens at the plan stage? (a) write the store text (b) pick the features (c) list what users need (d) try every button
21. 21.🗒️ What is a must-have feature? (a) a colour theme (b) one the app cannot skip (c) a nice extra (d) a sound effect
22. 22.Which of these happens at the plan stage? (a) list what users need (b) connect the data (c) share the download link (d) draw the user flow
23. 23.🔍 Which is the odd one out? (a) a step counter (b) a sleep tracker (c) a cricket run chase (d) a water reminder
24. 24.📅 An app team plans for 2 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
25. 25.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [switch] Remind me
    [slider] Text size
    [text box] Notes
    [button] Back
    [button] Cancel
26. 26.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) pick your bus stop (b) a dark mode (c) see where the bus is (d) show arrival time
27. 27.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a feature (b) a user need
28. 28.Which of these is true of a website? (a) comes from an app store (b) has a home-screen icon (c) opens from a link (d) is installed on a phone
29. 29.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 19 votes
    losing water bottles: 8 votes
    forgetting homework: 20 votes
30. 30.📅 An app team plans for 2 days, builds for 12 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
31. 31.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) an avatar shop (c) confetti effects (d) show a question
32. 32.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 14 votes
    missing the bus: 15 votes
    losing water bottles: 19 votes (a) losing water bottles (b) missing the bus (c) forgetting homework
33. 33.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) input (c) output
34. 34.🔍 Which is the odd one out? (a) a unit converter (b) a step counter (c) a water reminder (d) a sleep tracker
35. 35.Which of these is a screen? (a) a date picker (b) tap to Start (c) a slider for volume (d) the settings page
36. 36.📅 An app team plans for 2 days, builds for 6 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
37. 37.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a water reminder (b) a recipe finder (c) a bus tracker (d) a big-text reader
38. 38.🔢 When you make an app, what comes right after “get an idea”? (a) release it (b) build the app (c) plan the screens (d) test the app
39. 39.True or false: a box to type a name is a screen. (a) True (b) False
40. 40.🎯 What is the best first step to learn what users need? (a) write the code (b) pick the colours (c) guess on your own (d) ask and watch users

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