App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 42 · 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.True or false: a unit converter is a tool app. (a) True (b) False
2. 2.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting homework”?
   wasting pocket money: 18 votes
   losing water bottles: 8 votes
   forgetting homework: 3 votes
3. 3.📴 Which of these can often still work with no internet? (a) a video call (b) an online search (c) a new website (d) an installed app
4. 4.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) show the score (c) background music (d) check the answer
5. 5.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting birthdays: 17 votes
   wasting pocket money: 6 votes
   no quiet study place: 9 votes (a) wasting pocket money (b) forgetting birthdays (c) no quiet study place
6. 6.💡 A good app idea starts with ___. (a) a cool logo (b) a long name (c) a problem to solve (d) many colours
7. 7.True or false: a date picker is data. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) sorting the scores (b) checking a password (c) adding up a bill (d) typing your age
9. 9.Which of these is true of a website? (a) opens in a web browser (b) comes from an app store (c) has a home-screen icon (d) is installed on a phone
10. 10.🎯 What is the best first step to learn what users need? (a) guess on your own (b) write the code (c) pick the colours (d) ask and watch users
11. 11.⚙️ What number does this app show?
    let price = 95; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
12. 12.🧩 What does a button do when you tap it? (a) changes the phone (b) saves the battery (c) starts an action (d) shows the time
13. 13.True or false: a sleep tracker is a health app. (a) False (b) True
14. 14.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) pick a theme colour (b) set a due date (c) add a homework task (d) see tasks by day
15. 15.🧩 Which input is best for turning something ON or OFF? (a) a switch (b) a title (c) a slider (d) a text box
16. 16.👥 A school app has 25 students, 110 teachers and 130 parents as users. Which user group is the biggest? (a) parents (b) students (c) teachers
17. 17.🔢 When you make an app, what comes right after “test the app”? (a) build the app (b) plan the screens (c) release it (d) get an idea
18. 18.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 21 votes
    missing the bus: 12 votes
    forgetting birthdays: 6 votes (a) forgetting homework (b) forgetting birthdays (c) missing the bus
19. 19.Which of these is a feature? (a) a share button (b) “I keep missing the bus” (c) “What should I cook?” (d) “Small text is hard”
20. 20.🗒️ The first small, working version of an app is often called an ___. (a) CPU (b) MVP (c) FAQ (d) URL
21. 21.True or false: an app has a web address. (a) True (b) False
22. 22.🗂️ What kind of app is a flashcard trainer? (a) a game (b) a learning app (c) a tool app (d) a health app
23. 23.🧩 Which part lets the user give the app information? (a) an icon (b) an input (c) a title (d) a logo
24. 24.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Notes
    [switch] Remind me
    [button] Save
    [text box] Phone
    [text box] Email
    [button] Start
    [button] Cancel
25. 25.👥 A cricket club app has 25 players, 125 coaches and 30 fans as users. How many more coaches than fans are there?
26. 26.True or false: a bill splitter solves a real problem. (a) False (b) True
27. 27.True or false: a box to type a name is an input. (a) False (b) True
28. 28.📅 An app team plans for 4 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
29. 29.🗒️ Version 1 of a pocket-money tracker must be ready in 18 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 4 days
    show the balance: 4 days
30. 30.Which of these is a user need? (a) a search bar (b) a reminder alarm (c) a dark mode switch (d) “I forget my homework”
31. 31.True or false: a website has a home-screen icon. (a) True (b) False
32. 32.👥 A cricket club app has 200 players, 150 coaches and 190 fans as users. How many users does it have in all?
33. 33.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
34. 34.🧩 In an app, what is tap to Start? (a) an input (b) a screen (c) a button (d) data
35. 35.📅 An app team plans for 2 days, builds for 8 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
36. 36.🔍 Which is the odd one out? (a) talk to possible users (b) write down the bugs (c) spot a problem to solve (d) list what users need
37. 37.📅 An app team plans for 3 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
38. 38.True or false: adding up a bill is an input. (a) True (b) False
39. 39.💡 Which app idea solves this problem: projects pile up at once? (a) a homework planner (b) a study-room finder (c) a bill splitter (d) a medicine reminder
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 4; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1

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