App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 476 · 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 buttons does this app screen have?
   [title] Order Snacks
   [button] Next
   [slider] Brightness
   [text box] Notes
   [button] Done
   [button] Send
2. 2.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
3. 3.👥 A school app has 50 students, 85 teachers and 180 parents as users. How many users does it have in all?
4. 4.True or false: an app that just says hi solves a real problem. (a) True (b) False
5. 5.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) custom alert sounds (c) see today’s total (d) log a glass of water
6. 6.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a pocket-money tracker (b) a homework planner (c) a water reminder (d) a recipe finder
7. 7.Which of these is an output? (a) taking a photo (b) a buzz (vibration) (c) checking a password (d) sorting the scores
8. 8.📱 The word “app” is short for ___. (a) appointment (b) appetite (c) apparatus (d) application
9. 9.🗒️ Version 1 of a pocket-money tracker must be ready in 13 days. How many days are left for extras after the must-haves?
   add money received: 1 days
   add money spent: 4 days
   show the balance: 2 days
10. 10.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
11. 11.🎯 Why learn about users before you build? (a) to slow it down (b) to make it longer (c) to pick a logo (d) to build what they need
12. 12.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
13. 13.Which of these app ideas solves no real problem? (a) a button with no action (b) a library due-date alert (c) a bill splitter (d) a medicine reminder
14. 14.True or false: a website is installed on a phone. (a) False (b) True
15. 15.📱 Where do people usually download phone apps from? (a) a printer (b) a charger (c) an app store (d) a web server
16. 16.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) add money spent (c) show the balance (d) pie-chart colours
17. 17.🔍 Which is the odd one out? (a) a beep sound (b) taking a photo (c) typing your age (d) tapping a button
18. 18.Which of these is a feature? (a) “I keep missing the bus” (b) “I forget my homework” (c) “What should I cook?” (d) a dark mode switch
19. 19.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 11 votes
    missing the bus: 9 votes
    no quiet study place: 8 votes
20. 20.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 6 votes
    no quiet study place: 24 votes
    forgetting birthdays: 3 votes
21. 21.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Save
    [button] Cancel
    [text box] Phone
    [text box] Subject
    [text box] Due date
    [slider] Volume
22. 22.🗒️ When should nice-to-have features be built? (a) never (b) on day one (c) before anything (d) after the must-haves
23. 23.True or false: today’s step count is an input. (a) False (b) True
24. 24.💡 How can you check that people really have the problem? (a) copy another app (b) pick a colour (c) just guess (d) ask possible users
25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 160; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 4 (c) line 1 (d) line 3
26. 26.🗂️ What kind of app is a spelling coach? (a) a health app (b) a game (c) a tool app (d) a learning app
27. 27.True or false: a bus tracker is the best fit for a parent waiting at the bus stop. (a) False (b) True
28. 28.True or false: taking a photo is an output. (a) False (b) True
29. 29.🔢 After an app is released, which comes first: “fix and improve” or “read user reviews”? (a) read user reviews (b) fix and improve
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 9; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 2 (c) line 3
31. 31.⚙️ What number does this app show?
    let price = 390; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
32. 32.👥 A library app has 170 readers, 245 librarians and 80 volunteers as users. How many users does it have in all?
33. 33.👥 A cricket club app has 210 players, 300 coaches and 265 fans as users. How many more coaches than players are there?
34. 34.👥 A library app has 155 readers, 80 librarians and 255 volunteers as users. How many more volunteers than librarians are there?
35. 35.⚙️ What number does this app show?
    let price = 20; // typed by the user
    let qty = 2; // typed by the user
    let total = price * qty;
    show(total);
36. 36.True or false: a result on screen is an output. (a) True (b) False
37. 37.🔢 When you make an app, what comes right after “plan the screens”? (a) build the app (b) test the app (c) get an idea (d) release it
38. 38.🧩 Which input is best for choosing a volume level? (a) a text box (b) a title (c) a slider (d) a switch
39. 39.Which of these happens at the release stage? (a) put it on an app store (b) spot a problem to solve (c) sketch the screens (d) add the buttons
40. 40.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Next
    [text box] Name
    [button] Cancel
    [button] Start
    [slider] Volume
    [text box] Due date
    [text box] City

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