App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 378 · 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.Which of these is processing? (a) tapping a button (b) working out a tip (c) speaking a command (d) typing your age
2. 2.🧩 In an app, what is tap to Send? (a) a button (b) data (c) a screen (d) an input
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 100; // typed by the user
   line 2: let qty = 6; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 1 (b) line 4 (c) line 3 (d) line 2
4. 4.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) change the bus icon (b) pick your bus stop (c) show arrival time (d) see where the bus is
5. 5.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting homework: 17 votes
   no quiet study place: 3 votes
   missing the bus: 6 votes (a) no quiet study place (b) missing the bus (c) forgetting homework
6. 6.🔍 Which is the odd one out? (a) put it on an app store (b) write the store text (c) write down the bugs (d) share the download link
7. 7.Which of these is an output? (a) checking a password (b) working out a tip (c) adding up a bill (d) a result on screen
8. 8.⚙️ What number does this app show?
   let price = 480; // typed by the user
   let off = 50; // typed by the user
   let pay = price - off;
   show(pay);
9. 9.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) set a reminder time (b) custom alert sounds (c) water animations (d) share your streak
10. 10.Which of these is a user need? (a) a dark mode switch (b) a share button (c) “I forget my homework” (d) a search bar
11. 11.⚙️ What number does this app show?
    let km = 12; // typed by the user
    let metres = km * 1000;
    show(metres);
12. 12.⚙️ What number does this app show?
    let price = 100; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
13. 13.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
14. 14.True or false: typing your age is an input. (a) False (b) True
15. 15.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a medicine reminder (b) a bill splitter (c) a lost-and-found board (d) a study-room finder
16. 16.⚙️ In an app, is adding up a bill an input, processing or an output? (a) output (b) input (c) processing
17. 17.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) show the balance (b) pie-chart colours (c) add money received (d) add money spent
18. 18.True or false: you list what users need at the idea stage. (a) False (b) True
19. 19.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) see today’s total (d) share your streak
20. 20.🔍 Which is the odd one out? (a) adding up a bill (b) tapping a button (c) taking a photo (d) speaking a command
21. 21.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) confetti effects (c) background music (d) check the answer
22. 22.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 17 votes
    forgetting homework: 22 votes
    forgetting birthdays: 18 votes (a) forgetting homework (b) forgetting birthdays (c) losing water bottles
23. 23.⚙️ In an app, is a result on screen an input, processing or an output? (a) output (b) input (c) processing
24. 24.🗂️ What kind of app is a cricket run chase? (a) a health app (b) a game (c) a learning app (d) a tool app
25. 25.👥 A library app has 235 readers, 105 librarians and 215 volunteers as users. How many more readers than volunteers are there?
26. 26.Which of these is a user need? (a) a dark mode switch (b) a search bar (c) “What should I cook?” (d) a reminder alarm
27. 27.True or false: a pocket-money tracker is the best fit for a child saving up for a cycle. (a) False (b) True
28. 28.⚙️ What number does this app show?
    let bill = 198; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
29. 29.👥 A school app has 75 students, 215 teachers and 190 parents as users. How many more teachers than students are there?
30. 30.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Done
    [slider] Text size
    [text box] Email
    [button] Cancel
    [button] Next
31. 31.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 15 votes
    wasting pocket money: 8 votes
    missing the bus: 3 votes
32. 32.Which of these is a user need? (a) a search bar (b) “I keep missing the bus” (c) a share button (d) a dark mode switch
33. 33.🗂️ What kind of app is a spelling coach? (a) a health app (b) a learning app (c) a game (d) a tool app
34. 34.True or false: you add the buttons at the plan stage. (a) False (b) True
35. 35.Which of these is true of an app? (a) updates from the store (b) has a web address (c) opens from a link (d) opens in a web browser
36. 36.True or false: a big-text reader is the best fit for a reader who finds small print hard. (a) False (b) True
37. 37.🗂️ What kind of app is a calculator? (a) a health app (b) a tool app (c) a learning app (d) a game
38. 38.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) see tasks by day (c) pick a theme colour (d) add a homework task
39. 39.👥 A library app has 220 readers, 270 librarians and 125 volunteers as users. How many more readers than volunteers are there?
40. 40.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 11 votes
    no quiet study place: 20 votes
    missing the bus: 25 votes (a) missing the bus (b) no quiet study place (c) forgetting homework

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