App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 257 · 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.🧩 In an app, what is tap to go Next? (a) a screen (b) a button (c) an input (d) data
2. 2.🛠️ At which stage do you write down the bugs? (a) the build stage (b) the test stage (c) the idea stage (d) the plan stage
3. 3.True or false: an app has a home-screen icon. (a) False (b) True
4. 4.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) pick your bus stop (b) rate the driver (c) a dark mode (d) change the bus icon
5. 5.True or false: a torch is a tool app. (a) True (b) False
6. 6.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “losing water bottles”?
   wasting pocket money: 19 votes
   no quiet study place: 10 votes
   losing water bottles: 8 votes
7. 7.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a library due-date alert (c) a button with no action (d) a page of random dots
8. 8.Which of these is a user need? (a) a dark mode switch (b) a reminder alarm (c) “I keep missing the bus” (d) a share button
9. 9.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
10. 10.💡 How can you check that people really have the problem? (a) copy another app (b) ask possible users (c) pick a colour (d) just guess
11. 11.🔍 Which is the odd one out? (a) a buzz (vibration) (b) typing your age (c) tapping a button (d) speaking a command
12. 12.True or false: a spelling coach is a tool app. (a) True (b) False
13. 13.📅 An app team plans for 2 days, builds for 4 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
14. 14.True or false: you draw the user flow at the plan stage. (a) False (b) True
15. 15.🧩 What does a button do when you tap it? (a) changes the phone (b) starts an action (c) saves the battery (d) shows the time
16. 16.True or false: adding up a bill is processing. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) talk to possible users (b) write down the bugs (c) let friends try it (d) try every button
18. 18.🔢 When you make an app, which comes first: “plan the screens” or “build the app”? (a) build the app (b) plan the screens
19. 19.👥 A library app has 295 readers, 20 librarians and 160 volunteers as users. Which user group is the biggest? (a) librarians (b) readers (c) volunteers
20. 20.🗒️ In MVP, the M stands for ___. (a) mobile (b) minimum (c) maximum (d) music
21. 21.⚙️ What number does this app show?
    let price = 360; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
22. 22.True or false: a lost-and-found board solves a real problem. (a) False (b) True
23. 23.🎯 Which app would help this user most: a student who often misses the school bus? (a) a bus tracker (b) a big-text reader (c) a recipe finder (d) a homework planner
24. 24.Which of these is an input? (a) a buzz (vibration) (b) working out a tip (c) a pop-up message (d) taking a photo
25. 25.🧩 Which part lets the user give the app information? (a) a logo (b) an icon (c) a title (d) an input
26. 26.🧩 What do we call one full page of an app? (a) a battery (b) a screen (c) a cable (d) a variable
27. 27.Which of these is true of an app? (a) needs no installing (b) has a home-screen icon (c) opens in a web browser (d) opens from a link
28. 28.True or false: working out a tip is processing. (a) False (b) True
29. 29.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) share tasks to friends (c) earn stickers (d) see tasks by day
30. 30.⚙️ What number does this app show?
    let km = 15; // typed by the user
    let metres = km * 1000;
    show(metres);
31. 31.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) pie-chart colours (c) savings stickers (d) show the balance
32. 32.🗒️ When should nice-to-have features be built? (a) before anything (b) never (c) after the must-haves (d) on day one
33. 33.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Save
    [text box] City
    [text box] Phone
    [slider] Brightness
    [text box] Subject
34. 34.Which of these happens at the idea stage? (a) connect the data (b) talk to possible users (c) write down the bugs (d) put it on an app store
35. 35.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) see where the bus is (c) change the bus icon (d) pick your bus stop
36. 36.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Done
    [text box] Name
    [switch] Sound
37. 37.True or false: a homework planner is the best fit for a parent waiting at the bus stop. (a) False (b) True
38. 38.👥 A cricket club app has 155 players, 65 coaches and 260 fans as users. How many users does it have in all?
39. 39.True or false: a sleep tracker is a health app. (a) False (b) True
40. 40.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a pocket-money tracker (b) a recipe finder (c) a homework planner (d) a bus tracker

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