App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 318 · 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 happens when you tap an app’s icon? (a) the app is deleted (b) the app opens (c) the sound turns off (d) the phone charges
2. 2.⚙️ 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);
3. 3.👥 A school app has 300 students, 280 teachers and 230 parents as users. How many more teachers than parents are there?
4. 4.Which of these is a user need? (a) “Small text is hard” (b) a share button (c) a dark mode switch (d) a reminder alarm
5. 5.🔍 Which is the odd one out? (a) taking a photo (b) working out a tip (c) sorting the scores (d) checking a password
6. 6.True or false: a button with no action solves a real problem. (a) True (b) False
7. 7.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) ready to release (c) well planned (d) a nice extra
8. 8.Which of these happens at the build stage? (a) try every button (b) write down the bugs (c) write the store text (d) connect the data
9. 9.🗒️ What is a must-have feature? (a) a nice extra (b) a sound effect (c) one the app cannot skip (d) a colour theme
10. 10.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Due date
    [text box] Notes
    [switch] Remind me
    [text box] City
    [button] Start (a) City (b) Due date (c) Start (d) Notes
11. 11.True or false: taking a photo is an input. (a) False (b) True
12. 12.Which of these is a button? (a) your saved notes (b) the home page of an app (c) tap to go Next (d) the game-over page
13. 13.True or false: a website needs no installing. (a) True (b) False
14. 14.👥 A cricket club app has 140 players, 60 coaches and 75 fans as users. How many users does it have in all?
15. 15.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Back
    [text box] Name
    [text box] Age
    [text box] Subject
    [slider] Volume
    [button] Save
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 230; // typed by the user
    line 2: let off = 50; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 3 (c) line 4 (d) line 1
17. 17.👥 A school app has 270 students, 135 teachers and 45 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
18. 18.🔍 Which is the odd one out? (a) a torch (b) an alarm clock (c) a spelling coach (d) a calculator
19. 19.👥 A cricket club app has 105 players, 195 coaches and 35 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
20. 20.Which of these is an input? (a) a buzz (vibration) (b) typing your age (c) sorting the scores (d) working out a tip
21. 21.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
    show a question: 4 days
    check the answer: 2 days
    show the score: 3 days
22. 22.👥 A school app has 60 students, 115 teachers and 95 parents as users. How many users does it have in all?
23. 23.True or false: a big-text reader is the best fit for a reader who finds small print hard. (a) False (b) True
24. 24.🛠️ At which stage do you write the store text? (a) the release stage (b) the build stage (c) the plan stage (d) the idea stage
25. 25.👥 A school app has 110 students, 225 teachers and 30 parents as users. How many users does it have in all?
26. 26.🔍 Which is the odd one out? (a) taking a photo (b) speaking a command (c) typing your age (d) sorting the scores
27. 27.True or false: a torch is a game. (a) True (b) False
28. 28.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) earn stickers (d) add a homework task
29. 29.🔍 Which is the odd one out? (a) put it on an app store (b) write the code (c) write the store text (d) share the download link
30. 30.📱 Which one has a web address: an app or a website? (a) a website (b) an app
31. 31.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) pick a theme colour (b) see tasks by day (c) add a homework task (d) set a due date
32. 32.🗒️ Version 1 of a water reminder must be ready in 14 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 2 days
    see today’s total: 3 days
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) share your streak (c) set a reminder time (d) log a glass of water
34. 34.🔍 Which is the odd one out? (a) working out a tip (b) tapping a button (c) taking a photo (d) typing your age
35. 35.👥 A library app has 225 readers, 190 librarians and 235 volunteers as users. Which user group is the biggest? (a) readers (b) librarians (c) volunteers
36. 36.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) export to a file (c) pie-chart colours (d) add money received
37. 37.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
38. 38.⚙️ What number does this app show?
    let bill = 230; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
39. 39.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) see tasks by day (b) earn stickers (c) pick a theme colour (d) share tasks to friends
40. 40.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a button with no action (c) a blank grey screen (d) a medicine reminder

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