App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 638 · 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 14 days. How many days are left for extras after the must-haves?
   show a question: 2 days
   check the answer: 3 days
   show the score: 5 days
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 2; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
3. 3.🧩 Which of these is a button on this screen?
   [title] Sign Up
   [text box] Due date
   [button] Next
   [text box] Name
   [text box] City
   [switch] Sound
   [slider] Volume (a) Name (b) Due date (c) City (d) Next
4. 4.Which of these is an output? (a) adding up a bill (b) a beep sound (c) speaking a command (d) typing your age
5. 5.Which of these is a button? (a) a switch for dark mode (b) tap to Send (c) your saved notes (d) the home page of an app
6. 6.Which of these is processing? (a) a result on screen (b) a pop-up message (c) speaking a command (d) sorting the scores
7. 7.⚙️ In an app, is adding up a bill an input, processing or an output? (a) input (b) output (c) processing
8. 8.Which of these happens at the test stage? (a) let friends try it (b) pick the features (c) write the code (d) spot a problem to solve
9. 9.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) earn stickers (c) pick a theme colour (d) add a homework task
10. 10.True or false: a website is installed on a phone. (a) False (b) True
11. 11.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
12. 12.🔢 After an app is released, what comes right after “test it again”? (a) release an update (b) fix and improve (c) read user reviews (d) list what to fix
13. 13.True or false: a lost-and-found board solves no real problem. (a) True (b) False
14. 14.📅 An app team plans for 3 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
15. 15.👥 A clinic app has 295 patients, 75 doctors and 200 nurses as users. How many more nurses than doctors are there?
16. 16.Which of these is true of a website? (a) updates from the store (b) is installed on a phone (c) has a home-screen icon (d) opens in a web browser
17. 17.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Cancel
    [text box] Phone
    [text box] City
18. 18.True or false: working out a tip is an output. (a) False (b) True
19. 19.Which of these is a feature? (a) “I keep missing the bus” (b) a reminder alarm (c) “I forget my homework” (d) “Small text is hard”
20. 20.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a screen (d) a variable
21. 21.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a pocket-money tracker (b) a bus tracker (c) a recipe finder (d) a homework planner
22. 22.👥 A clinic app has 100 patients, 300 doctors and 225 nurses as users. How many users does it have in all?
23. 23.👥 A clinic app has 50 patients, 115 doctors and 175 nurses as users. Which user group is the biggest? (a) patients (b) doctors (c) nurses
24. 24.🧩 Which input is best for typing your name? (a) a switch (b) a slider (c) a picture (d) a text box
25. 25.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [switch] Sound
    [button] Start
    [button] Send
    [text box] Email
26. 26.🔢 When you make an app, which comes first: “test the app” or “get an idea”? (a) test the app (b) get an idea
27. 27.🔍 Which is the odd one out? (a) a word battle (b) a racing challenge (c) a cricket run chase (d) a sleep tracker
28. 28.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) see today’s total (c) custom alert sounds (d) water animations
29. 29.🗒️ Version 1 of a pocket-money tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    add money received: 3 days
    add money spent: 1 days
    show the balance: 3 days
30. 30.True or false: a step counter is a health app. (a) True (b) False
31. 31.📅 An app team plans for 3 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
32. 32.Which of these is true of an app? (a) has a web address (b) needs no installing (c) updates from the store (d) opens from a link
33. 33.True or false: a medicine reminder solves a real problem. (a) False (b) True
34. 34.🔢 When you make an app, what comes right after “test the app”? (a) plan the screens (b) build the app (c) release it (d) get an idea
35. 35.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a sound effect (d) a colour theme
36. 36.Which of these is a button? (a) the game-over page (b) the home page of an app (c) tap to go Next (d) your friends list
37. 37.🔢 After an app is released, what comes right after “read user reviews”? (a) test it again (b) release an update (c) list what to fix (d) fix and improve
38. 38.🔍 Which is the odd one out? (a) a buzz (vibration) (b) a result on screen (c) speaking a command (d) a beep sound
39. 39.Which of these app ideas solves no real problem? (a) a bill splitter (b) an app that just says hi (c) a medicine reminder (d) a library due-date alert
40. 40.🔢 When you make an app, which comes LAST? (a) release it (b) plan the screens (c) get an idea (d) test the app

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