App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 783 · 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 a button? (a) a slider for volume (b) the log-in page (c) tap to Send (d) the settings page
2. 2.🗂️ What kind of app is a sleep tracker? (a) a game (b) a tool app (c) a health app (d) a learning app
3. 3.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a switch (c) a text box (d) a slider
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 15; // 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 2 (b) line 3 (c) line 4 (d) line 1
5. 5.True or false: you let friends try it at the plan stage. (a) True (b) False
6. 6.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) show the balance (b) add money received (c) pie-chart colours (d) add money spent
7. 7.🧩 How many buttons does this app screen have?
   [title] Settings
   [text box] Phone
   [button] Start
8. 8.Which of these app ideas solves a real problem? (a) a page of random dots (b) a bill splitter (c) a button with no action (d) an app that just says hi
9. 9.🔍 Which is the odd one out? (a) pick the features (b) put it on an app store (c) share the download link (d) write the store text
10. 10.⚙️ What number does this app show?
    let km = 11; // typed by the user
    let metres = km * 1000;
    show(metres);
11. 11.🗒️ What is a must-have feature? (a) a nice extra (b) a colour theme (c) one the app cannot skip (d) a sound effect
12. 12.🗒️ Version 1 of a homework planner must be ready in 13 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 4 days
    see tasks by day: 3 days
13. 13.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 12; // 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.Which of these is a button? (a) the game-over page (b) the home page of an app (c) tap to Save (d) a box to type a name
15. 15.🎯 Who are the users of an app? (a) the people who use it (b) only the coders (c) only the testers (d) the app icons
16. 16.🔍 Which is the odd one out? (a) sorting the scores (b) a buzz (vibration) (c) working out a tip (d) checking a password
17. 17.⚙️ What number does this app show?
    let price = 90; // typed by the user
    let qty = 2; // typed by the user
    let total = price * qty;
    show(total);
18. 18.⚙️ What number does this app show?
    let price = 370; // typed by the user
    let off = 50; // typed by the user
    let pay = price - off;
    show(pay);
19. 19.True or false: you draw the user flow at the idea stage. (a) True (b) False
20. 20.True or false: a website opens from a link. (a) False (b) True
21. 21.🎯 Why learn about users before you build? (a) to make it longer (b) to build what they need (c) to slow it down (d) to pick a logo
22. 22.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
23. 23.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Help
    [text box] Email
    [text box] City
    [text box] Due date
    [button] Start
24. 24.⚙️ 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 1 (b) line 2 (c) line 3
25. 25.📲 What happens when you tap an app’s icon? (a) the phone charges (b) the sound turns off (c) the app is deleted (d) the app opens
26. 26.⚙️ In an app, is checking a password an input, processing or an output? (a) input (b) output (c) processing
27. 27.⚙️ In an app, is tapping a button an input, processing or an output? (a) output (b) processing (c) input
28. 28.📱 Where do people usually download phone apps from? (a) a web server (b) a charger (c) a printer (d) an app store
29. 29.True or false: the log-in page is a button. (a) True (b) False
30. 30.Which of these is processing? (a) a beep sound (b) taking a photo (c) typing your age (d) adding up a bill
31. 31.Which of these is a button? (a) your saved notes (b) your friends list (c) the settings page (d) tap to go Next
32. 32.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show a question (c) an avatar shop (d) show the score
33. 33.Which of these is a user need? (a) a reminder alarm (b) a share button (c) “I forget my homework” (d) a search bar
34. 34.📅 An app team plans for 2 days, builds for 4 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
35. 35.True or false: a bus tracker is the best fit for a student who often misses the school bus. (a) False (b) True
36. 36.Which of these is an input? (a) speaking a command (b) a beep sound (c) checking a password (d) adding up a bill
37. 37.🔍 Which is the odd one out? (a) try every button (b) add the buttons (c) write the code (d) connect the data
38. 38.🔢 After an app is released, which comes first: “read user reviews” or “list what to fix”? (a) list what to fix (b) read user reviews
39. 39.🔍 Which is the odd one out? (a) a pop-up message (b) a result on screen (c) tapping a button (d) a buzz (vibration)
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 520; // typed by the user
    line 2: let off = 20; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 3 (c) line 1 (d) line 2

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