App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 757 · 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.🗒️ Version 1 of a quiz app must be ready in 12 days. How many days are left for extras after the must-haves?
   show a question: 2 days
   check the answer: 2 days
   show the score: 4 days
2. 2.🧩 Which of these is a button on this screen?
   [title] Edit Profile
   [button] Help
   [button] Send
   [text box] City
   [text box] Phone
   [button] Start (a) Start (b) City (c) Phone
3. 3.Which of these is true of an app? (a) needs no installing (b) has a web address (c) opens from a link (d) comes from an app store
4. 4.🔍 Which is the odd one out? (a) typing your age (b) a beep sound (c) tapping a button (d) speaking a command
5. 5.🗒️ Version 1 of a water reminder must be ready in 13 days. How many days are left for extras after the must-haves?
   set a reminder time: 3 days
   log a glass of water: 2 days
   see today’s total: 2 days
6. 6.🎯 Why learn about users before you build? (a) to build what they need (b) to slow it down (c) to make it longer (d) to pick a logo
7. 7.Which of these happens at the idea stage? (a) sketch the screens (b) write down the bugs (c) list what users need (d) write the code
8. 8.🗒️ Version 1 of a pocket-money tracker must be ready in 11 days. How many days are left for extras after the must-haves?
   add money received: 1 days
   add money spent: 1 days
   show the balance: 4 days
9. 9.True or false: checking a password is processing. (a) False (b) True
10. 10.Which of these app ideas solves no real problem? (a) a free study-room finder (b) a library due-date alert (c) a lost-and-found board (d) a page of random dots
11. 11.Which of these is true of an app? (a) opens from a link (b) has a web address (c) has a home-screen icon (d) opens in a web browser
12. 12.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
13. 13.🔍 Which is the odd one out? (a) a unit converter (b) a cricket run chase (c) a torch (d) an alarm clock
14. 14.💡 After a survey, which need should version 1 solve? (a) the most common need (b) the newest trend (c) the rarest need (d) a random need
15. 15.👥 A cricket club app has 150 players, 65 coaches and 100 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
16. 16.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) share your streak (d) log a glass of water
17. 17.True or false: working out a tip is an input. (a) True (b) False
18. 18.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) set a reminder time (c) log a glass of water (d) water animations
19. 19.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 25; // typed by the user
    line 2: let qty = 3; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 2 (c) line 1 (d) line 3
20. 20.Which of these is data? (a) a slider for volume (b) tap to Send (c) tap to Save (d) today’s step count
21. 21.True or false: a website opens in a web browser. (a) True (b) False
22. 22.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a bill splitter (b) a homework planner (c) a lost-and-found board (d) a medicine reminder
23. 23.👥 A cricket club app has 105 players, 45 coaches and 270 fans as users. How many users does it have in all?
24. 24.🗂️ What kind of app is a racing challenge? (a) a game (b) a learning app (c) a health app (d) a tool app
25. 25.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [text box] Name
    [button] Help
    [text box] City
    [text box] Age
    [switch] Show hints
26. 26.True or false: a word battle is a learning app. (a) True (b) False
27. 27.🗒️ What is a must-have feature? (a) a sound effect (b) a colour theme (c) one the app cannot skip (d) a nice extra
28. 28.True or false: you talk to possible users at the idea stage. (a) True (b) False
29. 29.🗒️ A to-do app with no “add a task” feature is ___. (a) well planned (b) missing a must-have (c) a nice extra (d) ready to release
30. 30.⚙️ What number does this app show?
    let km = 14; // typed by the user
    let metres = km * 1000;
    show(metres);
31. 31.🗒️ Version 1 of a pocket-money tracker must be ready in 12 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
32. 32.📱 Where do people usually download phone apps from? (a) an app store (b) a charger (c) a web server (d) a printer
33. 33.Which of these is a screen? (a) a switch for dark mode (b) today’s step count (c) the log-in page (d) a box to type a name
34. 34.Which of these is an input? (a) the log-in page (b) tap to Send (c) tap to go Next (d) a slider for volume
35. 35.True or false: a big-text reader is the best fit for a reader who finds small print hard. (a) False (b) True
36. 36.Which of these is true of a website? (a) is installed on a phone (b) updates from the store (c) comes from an app store (d) needs no installing
37. 37.⚙️ In an app, is checking a password an input, processing or an output? (a) input (b) processing (c) output
38. 38.True or false: a bill splitter solves a real problem. (a) False (b) True
39. 39.🗒️ 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: 1 days
    show arrival time: 3 days
    pick your bus stop: 2 days
40. 40.True or false: a blank grey screen solves a real problem. (a) True (b) False

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