App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 727 · 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.📅 An app team plans for 2 days, builds for 5 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
2. 2.👥 A clinic app has 80 patients, 95 doctors and 270 nurses as users. Which user group is the biggest? (a) doctors (b) patients (c) nurses
3. 3.🔍 Which is the odd one out? (a) a cricket run chase (b) a racing challenge (c) a word battle (d) a step counter
4. 4.🔢 After an app is released, which comes first: “read user reviews” or “fix and improve”? (a) fix and improve (b) read user reviews
5. 5.🧩 In an app, what is tap to Start? (a) data (b) an input (c) a screen (d) a button
6. 6.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   missing the bus: 20 votes
   losing water bottles: 15 votes
   forgetting homework: 13 votes (a) losing water bottles (b) missing the bus (c) forgetting homework
7. 7.🎯 An app for “everyone” with no clear user usually ___. (a) needs no testing (b) helps nobody well (c) wins every prize (d) is easy to build
8. 8.True or false: a word battle is a game. (a) True (b) False
9. 9.👥 A library app has 235 readers, 160 librarians and 240 volunteers as users. Which user group is the biggest? (a) readers (b) librarians (c) volunteers
10. 10.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) set a due date (c) share tasks to friends (d) earn stickers
11. 11.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 8 votes
    losing water bottles: 17 votes
    forgetting birthdays: 16 votes (a) losing water bottles (b) missing the bus (c) forgetting birthdays
12. 12.True or false: a water reminder is a health app. (a) True (b) False
13. 13.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 6; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 2 (c) line 3
14. 14.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) set a reminder time (c) share your streak (d) water animations
15. 15.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Phone
    [slider] Brightness
    [button] Send
    [text box] Due date
    [text box] Age
16. 16.Which of these is a user need? (a) a dark mode switch (b) a share button (c) a reminder alarm (d) “What should I cook?”
17. 17.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Next
    [text box] Notes
    [button] Start
    [button] Save
    [switch] Remind me (a) Save (b) Notes (c) Remind me
18. 18.⚙️ What number does this app show?
    let bill = 52; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
19. 19.📱 Where do people usually download phone apps from? (a) a charger (b) a printer (c) an app store (d) a web server
20. 20.True or false: a library due-date alert solves no real problem. (a) False (b) True
21. 21.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [slider] Text size
    [text box] Phone
    [button] Done
    [button] Start
22. 22.True or false: a blank grey screen solves no real problem. (a) False (b) True
23. 23.Which of these is an input? (a) a pop-up message (b) tapping a button (c) a beep sound (d) checking a password
24. 24.Which of these happens at the idea stage? (a) draw the user flow (b) let friends try it (c) talk to possible users (d) connect the data
25. 25.🌐 Which program do you need to open a website? (a) a camera app (b) a calculator (c) an app store (d) a web browser
26. 26.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [text box] Subject
    [button] Cancel
    [text box] Notes
    [text box] Name
    [button] Help
27. 27.👥 A school app has 180 students, 40 teachers and 255 parents as users. How many users does it have in all?
28. 28.True or false: speaking a command is an input. (a) False (b) True
29. 29.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    missing the bus: 6 votes
    losing water bottles: 9 votes
    forgetting birthdays: 12 votes
30. 30.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) missing a must-have (c) well planned (d) a nice extra
31. 31.Which of these is true of an app? (a) has a web address (b) needs no installing (c) has a home-screen icon (d) opens in a web browser
32. 32.🔢 When you make an app, what comes right after “test the app”? (a) release it (b) plan the screens (c) build the app (d) get an idea
33. 33.⚙️ What number does this app show?
    let price = 600; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
34. 34.👥 A cricket club app has 285 players, 45 coaches and 55 fans as users. How many more players than coaches are there?
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) log a glass of water (c) water animations (d) custom alert sounds
36. 36.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “wasting pocket money”?
    missing the bus: 19 votes
    wasting pocket money: 17 votes
    no quiet study place: 18 votes
37. 37.Which of these is true of a website? (a) has a home-screen icon (b) comes from an app store (c) has a web address (d) is installed on a phone
38. 38.🛠️ At which stage do you draw the user flow? (a) the build stage (b) the plan stage (c) the test stage (d) the idea stage
39. 39.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
40. 40.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a bus tracker (b) a water reminder (c) a recipe finder (d) a pocket-money tracker

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