App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 792 · 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.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [text box] Email
   [button] Help
   [slider] Brightness
2. 2.⚙️ What number does this app show?
   let price = 120; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
3. 3.🔍 Which is the odd one out? (a) a racing challenge (b) a puzzle with levels (c) a calculator (d) a cricket run chase
4. 4.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [button] Help
   [button] Back
   [slider] Brightness
   [text box] Subject
   [button] Cancel
5. 5.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) CPU (c) MVP (d) FAQ
6. 6.True or false: a water reminder is the best fit for a runner who forgets to sip water. (a) True (b) False
7. 7.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   losing water bottles: 10 votes
   no quiet study place: 16 votes
   forgetting homework: 6 votes (a) forgetting homework (b) no quiet study place (c) losing water bottles
8. 8.🗂️ What kind of app is a unit converter? (a) a health app (b) a game (c) a learning app (d) a tool app
9. 9.⚙️ In an app, is tapping a button an input, processing or an output? (a) output (b) input (c) processing
10. 10.True or false: an app comes from an app store. (a) True (b) False
11. 11.🎯 Why learn about users before you build? (a) to slow it down (b) to make it longer (c) to build what they need (d) to pick a logo
12. 12.True or false: an app needs no installing. (a) True (b) False
13. 13.🔢 When you make an app, what comes right after “get an idea”? (a) plan the screens (b) build the app (c) release it (d) test the app
14. 14.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Notes
    [slider] Text size
    [button] Done
15. 15.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Save
    [switch] Show hints
    [text box] Phone
    [button] Cancel
16. 16.🌐 Which program do you need to open a website? (a) a web browser (b) an app store (c) a calculator (d) a camera app
17. 17.💡 How can you check that people really have the problem? (a) pick a colour (b) ask possible users (c) just guess (d) copy another app
18. 18.True or false: a bus tracker is the best fit for a teen learning to make snacks. (a) False (b) True
19. 19.Which of these is an input? (a) a date picker (b) the log-in page (c) your friends list (d) your saved notes
20. 20.🧩 What does a button do when you tap it? (a) changes the phone (b) shows the time (c) starts an action (d) saves the battery
21. 21.🧩 How many buttons does this app screen have?
    [title] New Note
    [slider] Text size
    [button] Send
    [text box] Subject
    [text box] Email
22. 22.Which of these is processing? (a) taking a photo (b) tapping a button (c) working out a tip (d) typing your age
23. 23.True or false: a calculator is a tool app. (a) True (b) False
24. 24.📅 An app team plans for 5 days, builds for 11 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
25. 25.🗒️ Version 1 of a homework planner must be ready in 11 days. How many days are left for extras after the must-haves?
    add a homework task: 4 days
    set a due date: 1 days
    see tasks by day: 4 days
26. 26.👥 A clinic app has 190 patients, 20 doctors and 170 nurses as users. Which user group is the biggest? (a) patients (b) nurses (c) doctors
27. 27.🗒️ 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) add a homework task (d) earn stickers
28. 28.👥 A cricket club app has 105 players, 205 coaches and 225 fans as users. How many more coaches than players are there?
29. 29.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
30. 30.🗒️ Version 1 of a pocket-money tracker must be ready in 7 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 3 days
    show the balance: 3 days
31. 31.🔍 Which is the odd one out? (a) write the code (b) add the buttons (c) connect the data (d) list what users need
32. 32.📅 An app team plans for 5 days, builds for 4 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
33. 33.🗂️ What kind of app is a sleep tracker? (a) a tool app (b) a game (c) a learning app (d) a health app
34. 34.True or false: a buzz (vibration) is an output. (a) False (b) True
35. 35.🔢 When you make an app, what comes right after “build the app”? (a) test the app (b) plan the screens (c) get an idea (d) release it
36. 36.⚙️ What number does this app show?
    let bill = 148; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
37. 37.🛠️ At which stage do you share the download link? (a) the plan stage (b) the test stage (c) the idea stage (d) the release stage
38. 38.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 5 votes
    no quiet study place: 6 votes
    wasting pocket money: 20 votes (a) wasting pocket money (b) no quiet study place (c) forgetting birthdays
39. 39.👥 A school app has 245 students, 170 teachers and 280 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
40. 40.True or false: tap to Save is a screen. (a) False (b) True

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