App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 759 · 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.🔢 When you make an app, which comes FIRST? (a) plan the screens (b) get an idea (c) release it (d) build the app
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 264; // typed by the user
   line 2: let friends = 4; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 4 (b) line 1 (c) line 3 (d) line 2
3. 3.🧩 Which of these is a button on this screen?
   [title] Add Homework
   [slider] Volume
   [text box] Notes
   [button] Cancel (a) Volume (b) Cancel (c) Notes
4. 4.💡 How can you check that people really have the problem? (a) just guess (b) copy another app (c) pick a colour (d) ask possible users
5. 5.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] New Note
   [button] Save
   [text box] Email
6. 6.True or false: an app opens from a link. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) sketch the screens (b) let friends try it (c) write down the bugs (d) try every button
8. 8.Which of these is an input? (a) the settings page (b) your friends list (c) a date picker (d) tap to Send
9. 9.💡 Which is a problem statement? (a) “Make it fast” (b) “Use blue buttons” (c) “Add a logo” (d) “Kids forget homework”
10. 10.📅 An app team plans for 5 days, builds for 5 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
11. 11.True or false: the log-in page is a screen. (a) False (b) True
12. 12.Which of these app ideas solves no real problem? (a) a free study-room finder (b) a lost-and-found board (c) a library due-date alert (d) an app that just says hi
13. 13.True or false: you let friends try it at the build stage. (a) False (b) True
14. 14.🔢 When you make an app, what comes right after “test the app”? (a) release it (b) get an idea (c) build the app (d) plan the screens
15. 15.True or false: you put it on an app store at the plan stage. (a) True (b) False
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 55; // 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
17. 17.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 21 votes
    missing the bus: 6 votes
    forgetting birthdays: 22 votes (a) forgetting birthdays (b) forgetting homework (c) missing the bus
18. 18.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to look bigger (c) to use up storage (d) to confuse users
19. 19.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) show a question (c) background music (d) check the answer
20. 20.🛠️ At which stage do you let friends try it? (a) the plan stage (b) the idea stage (c) the test stage (d) the build stage
21. 21.📅 An app team plans for 4 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
22. 22.🧩 Which part lets the user give the app information? (a) a title (b) an input (c) an icon (d) a logo
23. 23.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
24. 24.🎯 Is this a user need or a feature: a share button? (a) a user need (b) a feature
25. 25.True or false: you draw the user flow at the build stage. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) sorting the scores (b) a buzz (vibration) (c) a pop-up message (d) a result on screen
27. 27.📱 The word “app” is short for ___. (a) appetite (b) application (c) appointment (d) apparatus
28. 28.🔍 Which is the odd one out? (a) a racing challenge (b) a torch (c) a calculator (d) an alarm clock
29. 29.🔢 After an app is released, which comes FIRST? (a) list what to fix (b) read user reviews (c) fix and improve (d) test it again
30. 30.📅 An app team plans for 5 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
31. 31.True or false: a water reminder is the best fit for a student who often misses the school bus. (a) False (b) True
32. 32.🧩 What do we call one full page of an app? (a) a battery (b) a cable (c) a variable (d) a screen
33. 33.🔢 When you make an app, what comes right after “plan the screens”? (a) test the app (b) get an idea (c) release it (d) build the app
34. 34.⚙️ What number does this app show?
    let price = 340; // typed by the user
    let off = 50; // typed by the user
    let pay = price - off;
    show(pay);
35. 35.Which of these is an input? (a) typing your age (b) adding up a bill (c) a pop-up message (d) sorting the scores
36. 36.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a switch (c) a text box (d) a slider
37. 37.Which of these is processing? (a) a beep sound (b) speaking a command (c) taking a photo (d) working out a tip
38. 38.⚙️ In an app, is adding up a bill an input, processing or an output? (a) input (b) output (c) processing
39. 39.👥 A library app has 145 readers, 230 librarians and 50 volunteers as users. How many users does it have in all?
40. 40.🧩 In an app, what is the log-in page? (a) a screen (b) data (c) a button (d) an input

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