App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 567 · 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 app ideas solves a real problem? (a) a page of random dots (b) an app that just says hi (c) a free study-room finder (d) a blank grey screen
2. 2.🗒️ Version 1 of a quiz app must be ready in 14 days. How many days are left for extras after the must-haves?
   show a question: 3 days
   check the answer: 3 days
   show the score: 4 days
3. 3.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “missing the bus”?
   missing the bus: 15 votes
   forgetting homework: 25 votes
   forgetting birthdays: 8 votes
4. 4.⚙️ What number does this app show?
   let price = 65; // typed by the user
   let qty = 4; // typed by the user
   let total = price * qty;
   show(total);
5. 5.👥 A clinic app has 155 patients, 160 doctors and 285 nurses as users. Which user group is the biggest? (a) patients (b) doctors (c) nurses
6. 6.🧩 Which of these is a button on this screen?
   [title] Sign Up
   [text box] Phone
   [text box] Name
   [button] Help
   [switch] Sound
   [button] Start
   [text box] City
   [button] Next
   [slider] Volume (a) Phone (b) Next (c) City (d) Name
7. 7.Which of these app ideas solves a real problem? (a) a button with no action (b) an app that just says hi (c) a bill splitter (d) a page of random dots
8. 8.📅 An app team plans for 5 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
9. 9.Which of these is a feature? (a) “Small text is hard” (b) “I keep missing the bus” (c) “I forget my homework” (d) a share button
10. 10.🧩 Which input is best for typing your name? (a) a switch (b) a picture (c) a slider (d) a text box
11. 11.⚙️ In an app, is tapping a button an input, processing or an output? (a) processing (b) input (c) output
12. 12.👥 A library app has 55 readers, 50 librarians and 250 volunteers as users. How many users does it have in all?
13. 13.🔍 Which is the odd one out? (a) put it on an app store (b) share the download link (c) draw the user flow (d) write the store text
14. 14.True or false: an app opens from a link. (a) False (b) True
15. 15.🛠️ At which stage do you pick the features? (a) the idea stage (b) the release stage (c) the plan stage (d) the build stage
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 410; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 4 (c) line 2 (d) line 3
17. 17.⚙️ What number does this app show?
    let price = 95; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
18. 18.Which of these is an input? (a) the settings page (b) your friends list (c) a date picker (d) tap to go Next
19. 19.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 18 votes
    missing the bus: 4 votes
    forgetting birthdays: 7 votes
20. 20.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
21. 21.True or false: you write the code at the build stage. (a) False (b) True
22. 22.🛠️ At which stage do you talk to possible users? (a) the plan stage (b) the test stage (c) the build stage (d) the idea stage
23. 23.🔢 When you make an app, which comes FIRST? (a) plan the screens (b) test the app (c) build the app (d) get an idea
24. 24.True or false: a pop-up message is processing. (a) False (b) True
25. 25.👥 A library app has 25 readers, 235 librarians and 200 volunteers as users. How many more volunteers than readers are there?
26. 26.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “no quiet study place”?
    forgetting homework: 14 votes
    wasting pocket money: 22 votes
    no quiet study place: 5 votes
27. 27.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a recipe finder (b) a homework planner (c) a big-text reader (d) a water reminder
28. 28.Which of these is an output? (a) sorting the scores (b) checking a password (c) a result on screen (d) taking a photo
29. 29.Which of these is true of a website? (a) has a home-screen icon (b) comes from an app store (c) updates from the store (d) has a web address
30. 30.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Name
    [text box] City
    [text box] Age
    [button] Start (a) Age (b) City (c) Start (d) Name
31. 31.Which of these is a button? (a) tap to Send (b) a slider for volume (c) a date picker (d) the log-in page
32. 32.True or false: a date picker is a screen. (a) False (b) True
33. 33.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) pick a theme colour (b) see tasks by day (c) set a due date (d) add a homework task
34. 34.True or false: a spelling coach is a learning app. (a) False (b) True
35. 35.👥 A library app has 275 readers, 215 librarians and 85 volunteers as users. How many more librarians than volunteers are there?
36. 36.🔢 After an app is released, which comes FIRST? (a) list what to fix (b) fix and improve (c) read user reviews (d) test it again
37. 37.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 9 votes
    forgetting homework: 12 votes
    losing water bottles: 24 votes (a) no quiet study place (b) forgetting homework (c) losing water bottles
38. 38.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
39. 39.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
40. 40.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Name
    [slider] Brightness
    [switch] Sound
    [button] Done
    [button] Next
    [text box] Due date
    [button] Back (a) Sound (b) Due date (c) Name (d) Next

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