App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 75 · 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.True or false: the game-over page is a button. (a) False (b) True
2. 2.🧩 How many buttons does this app screen have?
   [title] Add Homework
   [slider] Volume
   [button] Done
   [text box] Age
   [text box] City
   [switch] Remind me
   [button] Help
   [button] Start
3. 3.⚙️ What number does this app show?
   let km = 14; // typed by the user
   let metres = km * 1000;
   show(metres);
4. 4.Which of these is a user need? (a) a reminder alarm (b) a search bar (c) a share button (d) “I keep missing the bus”
5. 5.🛠️ At which stage do you let friends try it? (a) the idea stage (b) the test stage (c) the release stage (d) the plan stage
6. 6.True or false: working out a tip is processing. (a) False (b) True
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 102; // typed by the user
   line 2: let friends = 3; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 4 (b) line 2 (c) line 1 (d) line 3
8. 8.🛠️ At which stage do you pick the features? (a) the idea stage (b) the plan stage (c) the release stage (d) the build stage
9. 9.📱 The word “app” is short for ___. (a) apparatus (b) appointment (c) application (d) appetite
10. 10.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a screen (d) a variable
11. 11.🎯 An app for “everyone” with no clear user usually ___. (a) wins every prize (b) needs no testing (c) is easy to build (d) helps nobody well
12. 12.🔢 After an app is released, what comes right after “test it again”? (a) fix and improve (b) release an update (c) list what to fix (d) read user reviews
13. 13.👥 A clinic app has 155 patients, 210 doctors and 140 nurses as users. How many users does it have in all?
14. 14.Which of these is an input? (a) tap to Start (b) tap to Save (c) a box to type a name (d) the settings page
15. 15.🧩 Scores, notes and settings that an app keeps are called ___. (a) tabs (b) buttons (c) data (d) screens
16. 16.🧑 Who is an app really made for? (a) its coder only (b) its icon (c) its charger (d) its users
17. 17.True or false: tapping a button is an input. (a) False (b) True
18. 18.Which of these app ideas solves no real problem? (a) a bill splitter (b) a button with no action (c) a medicine reminder (d) a lost-and-found board
19. 19.🔢 After an app is released, which comes FIRST? (a) test it again (b) release an update (c) fix and improve (d) read user reviews
20. 20.True or false: a puzzle with levels is a game. (a) False (b) True
21. 21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Start
    [button] Save
    [text box] Email
    [button] Next
22. 22.💡 A good app idea starts with ___. (a) a cool logo (b) a long name (c) many colours (d) a problem to solve
23. 23.True or false: a blank grey screen solves no real problem. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) a cricket run chase (b) a puzzle with levels (c) a calculator (d) a word battle
25. 25.💡 Which app idea solves this problem: pupils forget due dates? (a) a lost-and-found board (b) a homework planner (c) a medicine reminder (d) a bill splitter
26. 26.📅 An app team plans for 3 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
27. 27.True or false: you try every button at the test stage. (a) True (b) False
28. 28.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    see where the bus is: 2 days
    show arrival time: 2 days
    pick your bus stop: 2 days
29. 29.🗒️ Version 1 of a pocket-money tracker must be ready in 15 days. How many days are left for extras after the must-haves?
    add money received: 3 days
    add money spent: 2 days
    show the balance: 4 days
30. 30.🛠️ At which stage do you write the store text? (a) the idea stage (b) the test stage (c) the plan stage (d) the release stage
31. 31.🧩 Which part lets the user give the app information? (a) a logo (b) an icon (c) an input (d) a title
32. 32.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [button] Cancel
    [button] Start
    [text box] Email
    [slider] Brightness (a) Brightness (b) Email (c) Start
33. 33.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Next
    [button] Cancel
    [text box] Name
    [button] Help
    [slider] Brightness
34. 34.🗂️ What kind of app is an alarm clock? (a) a learning app (b) a health app (c) a game (d) a tool app
35. 35.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a colour theme (d) a sound effect
36. 36.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “losing water bottles”?
    losing water bottles: 8 votes
    no quiet study place: 25 votes
    missing the bus: 10 votes
37. 37.Which of these is processing? (a) a result on screen (b) taking a photo (c) a beep sound (d) adding up a bill
38. 38.🛠️ At which stage do you sketch the screens? (a) the build stage (b) the release stage (c) the test stage (d) the plan stage
39. 39.True or false: you share the download link at the release stage. (a) False (b) True
40. 40.🗒️ Why keep version 1 small? (a) to confuse users (b) to learn from users soon (c) to use up storage (d) to look bigger

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