App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 383 · 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.🎯 A short made-up profile of a typical user is called a ___. (a) password (b) protocol (c) pixel (d) persona
2. 2.🛠️ At which stage do you pick the features? (a) the release stage (b) the plan stage (c) the build stage (d) the test stage
3. 3.🗒️ Version 1 of a homework planner must be ready in 11 days. How many days are left for extras after the must-haves?
   add a homework task: 2 days
   set a due date: 1 days
   see tasks by day: 5 days
4. 4.🗒️ Version 1 of a bus tracker must be ready in 8 days. How many days are left for extras after the must-haves?
   see where the bus is: 3 days
   show arrival time: 1 days
   pick your bus stop: 3 days
5. 5.📊 Survey: which problem bugs you most? How many students voted in all?
   forgetting homework: 22 votes
   wasting pocket money: 7 votes
   missing the bus: 5 votes
6. 6.🗒️ Version 1 of a homework planner must be ready in 12 days. How many days are left for extras after the must-haves?
   add a homework task: 4 days
   set a due date: 1 days
   see tasks by day: 4 days
7. 7.🗒️ In MVP, the M stands for ___. (a) music (b) minimum (c) maximum (d) mobile
8. 8.True or false: a pop-up message is an output. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) taking a photo (b) adding up a bill (c) sorting the scores (d) working out a tip
10. 10.True or false: an app needs no installing. (a) False (b) True
11. 11.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a library due-date alert (c) an app that just says hi (d) a button with no action
12. 12.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 153; // typed by the user
    line 2: let friends = 3; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 3 (b) line 1 (c) line 2 (d) line 4
13. 13.True or false: today’s step count is data. (a) False (b) True
14. 14.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 19 votes
    forgetting homework: 7 votes
    missing the bus: 8 votes
15. 15.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Help
    [switch] Dark mode
    [button] Cancel
    [text box] Name
    [text box] Email
16. 16.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [slider] Text size
    [text box] Due date
    [switch] Dark mode
    [button] Next
17. 17.👥 A clinic app has 80 patients, 110 doctors and 70 nurses as users. Which user group is the biggest? (a) patients (b) doctors (c) nurses
18. 18.🔍 Which is the odd one out? (a) a water reminder (b) a flashcard trainer (c) a step counter (d) a sleep tracker
19. 19.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a lost-and-found board (c) a button with no action (d) a page of random dots
20. 20.🎯 Who are the users of an app? (a) only the coders (b) only the testers (c) the app icons (d) the people who use it
21. 21.📅 An app team plans for 4 days, builds for 9 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
22. 22.True or false: a website is installed on a phone. (a) True (b) False
23. 23.👥 A school app has 65 students, 215 teachers and 270 parents as users. How many users does it have in all?
24. 24.True or false: tap to Save is data. (a) True (b) False
25. 25.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a lost-and-found board (b) a medicine reminder (c) a study-room finder (d) a bill splitter
26. 26.True or false: the game-over page is data. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) try every button (b) write down the bugs (c) let friends try it (d) write the store text
28. 28.⚙️ In an app, is speaking a command an input, processing or an output? (a) processing (b) output (c) input
29. 29.💡 Does an app idea like a library due-date alert solve a real problem? (a) Yes (b) No
30. 30.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) log a glass of water (b) see today’s total (c) set a reminder time (d) water animations
31. 31.🧩 In an app, what is your friends list? (a) data (b) a button (c) a screen (d) an input
32. 32.🧩 Scores, notes and settings that an app keeps are called ___. (a) data (b) tabs (c) screens (d) buttons
33. 33.⚙️ What number does this app show?
    let price = 100; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
34. 34.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) well planned (c) a nice extra (d) missing a must-have
35. 35.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) pick your bus stop (c) a dark mode (d) change the bus icon
36. 36.💡 A good app idea starts with ___. (a) a long name (b) a cool logo (c) a problem to solve (d) many colours
37. 37.🎯 What is a user need? (a) a colour theme (b) a problem a user has (c) a type of button (d) a phone setting
38. 38.Which of these is an input? (a) the log-in page (b) a box to type a name (c) the home page of an app (d) your saved notes
39. 39.Which of these is processing? (a) a buzz (vibration) (b) taking a photo (c) adding up a bill (d) a pop-up message
40. 40.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) share tasks to friends (c) pick a theme colour (d) add a homework task

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