App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 594 · 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 school app has 100 students, 60 teachers and 275 parents as users. Which user group is the biggest? (a) teachers (b) students (c) parents
2. 2.👥 A clinic app has 210 patients, 240 doctors and 130 nurses as users. How many users does it have in all?
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 81; // 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 1 (b) line 2 (c) line 3 (d) line 4
4. 4.🧩 In an app, what is the game-over page? (a) an input (b) data (c) a screen (d) a button
5. 5.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) share tasks to friends (c) set a due date (d) add a homework task
6. 6.📅 An app team plans for 2 days, builds for 8 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
7. 7.⚙️ In an app, is typing your age an input, processing or an output? (a) output (b) input (c) processing
8. 8.🗒️ What is a must-have feature? (a) a sound effect (b) a colour theme (c) one the app cannot skip (d) a nice extra
9. 9.🛠️ At which stage do you let friends try it? (a) the test stage (b) the idea stage (c) the plan stage (d) the release stage
10. 10.🛠️ At which stage do you write the code? (a) the release stage (b) the build stage (c) the idea stage (d) the plan stage
11. 11.👥 A clinic app has 80 patients, 45 doctors and 120 nurses as users. How many more patients than doctors are there?
12. 12.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) see tasks by day (b) share tasks to friends (c) pick a theme colour (d) earn stickers
13. 13.🗒️ Version 1 of a water reminder must be ready in 11 days. How many days are left for extras after the must-haves?
    set a reminder time: 3 days
    log a glass of water: 4 days
    see today’s total: 4 days
14. 14.📴 Which of these can often still work with no internet? (a) a video call (b) an installed app (c) an online search (d) a new website
15. 15.🎯 Which app would help this user most: a pupil juggling five projects? (a) a recipe finder (b) a pocket-money tracker (c) a water reminder (d) a homework planner
16. 16.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) input (c) output
17. 17.🗂️ What kind of app is a flashcard trainer? (a) a tool app (b) a learning app (c) a health app (d) a game
18. 18.Which of these is true of a website? (a) updates from the store (b) has a home-screen icon (c) is installed on a phone (d) has a web address
19. 19.🗂️ What kind of app is a puzzle with levels? (a) a tool app (b) a learning app (c) a health app (d) a game
20. 20.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) pick your bus stop (c) change the bus icon (d) rate the driver
21. 21.True or false: a step counter is a health app. (a) False (b) True
22. 22.⚙️ What number does this app show?
    let price = 55; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
23. 23.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Help
    [button] Back
    [switch] Remind me
    [text box] Due date
    [slider] Volume
    [button] Cancel
24. 24.True or false: working out a tip is an output. (a) True (b) False
25. 25.True or false: adding up a bill is processing. (a) True (b) False
26. 26.💡 An app that tries to do everything at once is usually ___. (a) finished fast (b) hard to use (c) very small (d) easy to build
27. 27.📱 Where do people usually download phone apps from? (a) an app store (b) a printer (c) a charger (d) a web server
28. 28.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 22 votes
    missing the bus: 10 votes
    forgetting homework: 12 votes (a) missing the bus (b) forgetting homework (c) wasting pocket money
29. 29.True or false: you talk to possible users at the release stage. (a) True (b) False
30. 30.💡 Which app idea solves this problem: bottles go missing at school? (a) a study-room finder (b) a homework planner (c) a lost-and-found board (d) a medicine reminder
31. 31.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “wasting pocket money”?
    wasting pocket money: 12 votes
    no quiet study place: 13 votes
    forgetting homework: 18 votes
32. 32.True or false: taking a photo is processing. (a) True (b) False
33. 33.Which of these is a user need? (a) a dark mode switch (b) a share button (c) a search bar (d) “What should I cook?”
34. 34.🔍 Which is the odd one out? (a) write the code (b) let friends try it (c) connect the data (d) add the buttons
35. 35.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “missing the bus”?
    losing water bottles: 10 votes
    no quiet study place: 16 votes
    missing the bus: 15 votes
36. 36.📅 An app team plans for 2 days, builds for 7 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
37. 37.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “no quiet study place”?
    no quiet study place: 5 votes
    wasting pocket money: 19 votes
    forgetting homework: 6 votes
38. 38.True or false: a recipe finder is the best fit for a child saving up for a cycle. (a) True (b) False
39. 39.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] Name
    [slider] Text size
    [button] Cancel
    [button] Done
40. 40.🧩 In an app, what is tap to Start? (a) an input (b) data (c) a button (d) a screen

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