App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 998 · 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 = 6; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
2. 2.🔢 After an app is released, which comes FIRST? (a) fix and improve (b) release an update (c) read user reviews (d) list what to fix
3. 3.👥 A clinic app has 285 patients, 255 doctors and 240 nurses as users. How many users does it have in all?
4. 4.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [switch] Dark mode
   [text box] Age
   [button] Cancel
   [button] Help
   [button] Back
5. 5.🧩 How many buttons does this app screen have?
   [title] Sign Up
   [text box] Email
   [text box] Name
   [button] Help
6. 6.Which of these app ideas solves no real problem? (a) a page of random dots (b) a library due-date alert (c) a bill splitter (d) a medicine reminder
7. 7.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] New Note
   [button] Start
   [text box] Age
   [button] Back
8. 8.True or false: a recipe finder is the best fit for a gamer who forgets to drink. (a) False (b) True
9. 9.💡 Which app idea solves this problem: a patient misses doses? (a) a study-room finder (b) a homework planner (c) a bill splitter (d) a medicine reminder
10. 10.Which of these is a button? (a) your friends list (b) tap to Send (c) the log-in page (d) a date picker
11. 11.True or false: a spelling coach is a learning app. (a) True (b) False
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [switch] Remind me
    [slider] Text size
    [button] Help
    [button] Start
    [text box] Phone
13. 13.👥 A clinic app has 145 patients, 95 doctors and 295 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
14. 14.🗂️ What kind of app is a racing challenge? (a) a game (b) a learning app (c) a health app (d) a tool app
15. 15.🛠️ At which stage do you connect the data? (a) the build stage (b) the idea stage (c) the release stage (d) the plan stage
16. 16.True or false: a blank grey screen solves a real problem. (a) False (b) True
17. 17.🗂️ What kind of app is a step counter? (a) a health app (b) a tool app (c) a learning app (d) a game
18. 18.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [text box] Due date
    [text box] Age
    [slider] Brightness
    [button] Send
    [button] Save
19. 19.⚙️ What number does this app show?
    let km = 13; // typed by the user
    let metres = km * 1000;
    show(metres);
20. 20.🧩 In an app, what is the game-over page? (a) data (b) an input (c) a button (d) a screen
21. 21.True or false: the log-in page is an input. (a) True (b) False
22. 22.📱 Where do people usually download phone apps from? (a) a web server (b) a printer (c) an app store (d) a charger
23. 23.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Name
    [text box] Subject
    [button] Back
    [switch] Dark mode
    [slider] Brightness
    [text box] City (a) City (b) Back (c) Name (d) Subject
24. 24.Which of these is true of an app? (a) has a web address (b) opens from a link (c) needs no installing (d) is installed on a phone
25. 25.True or false: a recipe finder is the best fit for a reader who finds small print hard. (a) False (b) True
26. 26.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
27. 27.🧩 Which part lets the user give the app information? (a) an icon (b) a logo (c) a title (d) an input
28. 28.🛠️ At which stage do you pick the features? (a) the plan stage (b) the test stage (c) the idea stage (d) the release stage
29. 29.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) add a homework task (c) pick a theme colour (d) set a due date
30. 30.🔍 Which is the odd one out? (a) sorting the scores (b) checking a password (c) tapping a button (d) adding up a bill
31. 31.True or false: a water reminder is the best fit for a gamer who forgets to drink. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a sleep tracker (b) an alarm clock (c) a water reminder (d) a step counter
33. 33.True or false: you list what users need at the plan stage. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) write down the bugs (b) try every button (c) let friends try it (d) spot a problem to solve
35. 35.👥 A cricket club app has 95 players, 50 coaches and 75 fans as users. How many more players than coaches are there?
36. 36.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a bill splitter (c) a page of random dots (d) an app that just says hi
37. 37.⚙️ What number does this app show?
    let km = 3; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 213; // 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 2 (b) line 3 (c) line 1 (d) line 4
39. 39.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “missing the bus”?
    missing the bus: 7 votes
    no quiet study place: 19 votes
    wasting pocket money: 24 votes
40. 40.🔢 When you make an app, which comes first: “release it” or “build the app”? (a) build the app (b) release it

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