App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 110 · 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 app idea solves this problem: a team shares one snack bill? (a) a medicine reminder (b) a study-room finder (c) a lost-and-found board (d) a bill splitter
2. 2.🧩 In an app, what is your high score? (a) an input (b) a screen (c) data (d) a button
3. 3.👥 A clinic app has 115 patients, 20 doctors and 135 nurses as users. Which user group is the biggest? (a) nurses (b) patients (c) doctors
4. 4.🔍 Which is the odd one out? (a) checking a password (b) tapping a button (c) working out a tip (d) adding up a bill
5. 5.🧩 What do we call one full page of an app? (a) a screen (b) a variable (c) a cable (d) a battery
6. 6.💡 Does an app idea like a free study-room finder solve a real problem? (a) Yes (b) No
7. 7.👥 A school app has 55 students, 140 teachers and 110 parents as users. How many users does it have in all?
8. 8.🗒️ Version 1 of a homework planner must be ready in 15 days. How many days are left for extras after the must-haves?
   add a homework task: 3 days
   set a due date: 3 days
   see tasks by day: 3 days
9. 9.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
10. 10.🎯 Is this a user need or a feature: “What should I cook?”? (a) a user need (b) a feature
11. 11.📴 Which of these can often still work with no internet? (a) a video call (b) an installed app (c) a new website (d) an online search
12. 12.True or false: a free study-room finder solves a real problem. (a) False (b) True
13. 13.Which of these is true of an app? (a) has a web address (b) is installed on a phone (c) opens in a web browser (d) opens from a link
14. 14.⚙️ In an app, is a result on screen an input, processing or an output? (a) processing (b) output (c) input
15. 15.🎯 What is the best first step to learn what users need? (a) write the code (b) pick the colours (c) guess on your own (d) ask and watch users
16. 16.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 8 votes
    forgetting birthdays: 12 votes
    losing water bottles: 21 votes
17. 17.💡 Does an app idea like a page of random dots solve a real problem? (a) No (b) Yes
18. 18.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [switch] Remind me
    [text box] Name
    [text box] Subject
    [button] Back
    [text box] Notes
19. 19.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [switch] Sound
    [button] Save
    [text box] Age
    [text box] Subject
    [text box] City (a) Age (b) Save (c) City (d) Subject
20. 20.True or false: an app has a web address. (a) True (b) False
21. 21.👥 A clinic app has 260 patients, 45 doctors and 250 nurses as users. How many more patients than nurses are there?
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 95; // 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 4 (c) line 3 (d) line 1
23. 23.True or false: a water reminder is the best fit for a pupil juggling five projects. (a) True (b) False
24. 24.True or false: a slider for volume is data. (a) False (b) True
25. 25.🔢 After an app is released, what comes right after “list what to fix”? (a) test it again (b) fix and improve (c) release an update (d) read user reviews
26. 26.True or false: speaking a command is processing. (a) True (b) False
27. 27.True or false: a button with no action solves no real problem. (a) True (b) False
28. 28.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a page of random dots (c) a medicine reminder (d) an app that just says hi
29. 29.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
30. 30.⚙️ What number does this app show?
    let price = 570; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
31. 31.🛠️ At which stage do you let friends try it? (a) the build stage (b) the plan stage (c) the test stage (d) the idea stage
32. 32.🎯 Why learn about users before you build? (a) to slow it down (b) to pick a logo (c) to build what they need (d) to make it longer
33. 33.True or false: a pocket-money tracker is the best fit for a student who often misses the school bus. (a) True (b) False
34. 34.💡 Which app idea solves this problem: a patient misses doses? (a) a bill splitter (b) a homework planner (c) a lost-and-found board (d) a medicine reminder
35. 35.🔢 After an app is released, which comes first: “read user reviews” or “fix and improve”? (a) read user reviews (b) fix and improve
36. 36.Which of these is data? (a) a box to type a name (b) a switch for dark mode (c) tap to go Next (d) your saved notes
37. 37.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 84; // 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 4 (b) line 3 (c) line 1 (d) line 2
38. 38.🗒️ Version 1 of a pocket-money tracker must be ready in 14 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 4 days
    show the balance: 2 days
39. 39.🛠️ At which stage do you add the buttons? (a) the test stage (b) the build stage (c) the release stage (d) the plan stage
40. 40.True or false: a bus tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True

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