App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 51 · 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 line does the processing (works out the answer)?
   line 1: let km = 10; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
2. 2.🧩 Which part lets the user give the app information? (a) an icon (b) an input (c) a logo (d) a title
3. 3.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Order Snacks
   [text box] City
   [text box] Age
   [button] Send
4. 4.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) change the bus icon (c) see where the bus is (d) rate the driver
5. 5.🗒️ A to-do app with no “add a task” feature is ___. (a) well planned (b) missing a must-have (c) ready to release (d) a nice extra
6. 6.🧩 What does a button do when you tap it? (a) starts an action (b) shows the time (c) saves the battery (d) changes the phone
7. 7.True or false: you talk to possible users at the build stage. (a) True (b) False
8. 8.⚙️ In an app, is a pop-up message an input, processing or an output? (a) input (b) output (c) processing
9. 9.🎯 Why learn about users before you build? (a) to slow it down (b) to pick a logo (c) to make it longer (d) to build what they need
10. 10.Which of these is true of an app? (a) has a web address (b) opens from a link (c) opens in a web browser (d) has a home-screen icon
11. 11.🎯 Who are the users of an app? (a) the app icons (b) only the testers (c) only the coders (d) the people who use it
12. 12.Which of these app ideas solves a real problem? (a) a lost-and-found board (b) an app that just says hi (c) a page of random dots (d) a blank grey screen
13. 13.🔢 When you make an app, which comes first: “get an idea” or “build the app”? (a) get an idea (b) build the app
14. 14.True or false: a bus tracker is the best fit for a runner who forgets to sip water. (a) True (b) False
15. 15.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) rate the driver (c) pick your bus stop (d) see where the bus is
16. 16.True or false: taking a photo is an input. (a) False (b) True
17. 17.🗒️ 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: 4 days
    set a due date: 2 days
    see tasks by day: 3 days
18. 18.Which of these is a user need? (a) “What should I cook?” (b) a dark mode switch (c) a reminder alarm (d) a share button
19. 19.True or false: you pick the features at the plan stage. (a) False (b) True
20. 20.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) check the answer (c) background music (d) show a question
21. 21.Which of these is a screen? (a) tap to Start (b) tap to Send (c) your friends list (d) the home page of an app
22. 22.🔍 Which is the odd one out? (a) a torch (b) a flashcard trainer (c) a times-table quiz (d) a spelling coach
23. 23.🧩 In an app, what is a switch for dark mode? (a) a button (b) a screen (c) data (d) an input
24. 24.Which of these is a screen? (a) your high score (b) your friends list (c) the log-in page (d) your saved notes
25. 25.🔍 Which is the odd one out? (a) tapping a button (b) taking a photo (c) a buzz (vibration) (d) typing your age
26. 26.🔍 Which is the odd one out? (a) try every button (b) let friends try it (c) write down the bugs (d) put it on an app store
27. 27.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
28. 28.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) MVP (c) FAQ (d) CPU
29. 29.True or false: a pop-up message is an output. (a) True (b) False
30. 30.Which of these is true of a website? (a) comes from an app store (b) has a web address (c) has a home-screen icon (d) is installed on a phone
31. 31.📅 An app team plans for 2 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
32. 32.True or false: a homework planner is the best fit for a student who often misses the school bus. (a) True (b) False
33. 33.Which of these is an output? (a) typing your age (b) adding up a bill (c) a pop-up message (d) checking a password
34. 34.🗒️ 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: 3 days
    set a due date: 4 days
    see tasks by day: 4 days
35. 35.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
36. 36.🔍 Which is the odd one out? (a) write down the bugs (b) try every button (c) write the store text (d) let friends try it
37. 37.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “forgetting homework”?
    forgetting birthdays: 18 votes
    forgetting homework: 13 votes
    no quiet study place: 19 votes
38. 38.🔔 What is a message an app shows on your lock screen called? (a) a wireframe (b) a web address (c) a variable (d) a notification
39. 39.True or false: a calculator is a tool app. (a) False (b) True
40. 40.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) background music (c) show a question (d) confetti effects

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