App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 969 · 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.⚙️ In an app, is checking a password an input, processing or an output? (a) output (b) processing (c) input
2. 2.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) show the score (c) background music (d) an avatar shop
3. 3.🧩 Which of these is a button on this screen?
   [title] Settings
   [button] Cancel
   [button] Save
   [switch] Show hints
   [text box] Name
   [slider] Text size
   [text box] Phone (a) Name (b) Show hints (c) Save (d) Phone
4. 4.🎯 Which app would help this user most: a parent waiting at the bus stop? (a) a bus tracker (b) a big-text reader (c) a recipe finder (d) a pocket-money tracker
5. 5.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a recipe finder (b) a water reminder (c) a big-text reader (d) a homework planner
6. 6.📅 An app team plans for 5 days, builds for 5 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
7. 7.True or false: a pocket-money tracker is the best fit for a student who often misses the school bus. (a) True (b) False
8. 8.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [button] Cancel
   [text box] Age
   [switch] Show hints
   [text box] Subject
   [text box] Phone
9. 9.True or false: a word battle is a game. (a) True (b) False
10. 10.🗂️ What kind of app is a word battle? (a) a tool app (b) a learning app (c) a health app (d) a game
11. 11.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 180; // typed by the user
    line 2: let off = 30; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 1 (c) line 3 (d) line 2
12. 12.🗒️ What is a must-have feature? (a) one the app cannot skip (b) a colour theme (c) a sound effect (d) a nice extra
13. 13.🔢 When you make an app, which comes first: “get an idea” or “release it”? (a) get an idea (b) release it
14. 14.Which of these is true of an app? (a) is installed on a phone (b) needs no installing (c) opens from a link (d) has a web address
15. 15.👥 A school app has 190 students, 55 teachers and 165 parents as users. How many more students than parents are there?
16. 16.True or false: an app updates from the store. (a) True (b) False
17. 17.⚙️ What number does this app show?
    let price = 100; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
18. 18.⚙️ What number does this app show?
    let bill = 98; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
19. 19.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 25 votes
    no quiet study place: 5 votes
    losing water bottles: 3 votes (a) losing water bottles (b) wasting pocket money (c) no quiet study place
20. 20.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
21. 21.Which of these is processing? (a) a pop-up message (b) speaking a command (c) working out a tip (d) a buzz (vibration)
22. 22.True or false: the game-over page is a screen. (a) False (b) True
23. 23.🧩 What does a button do when you tap it? (a) starts an action (b) changes the phone (c) saves the battery (d) shows the time
24. 24.🔢 After an app is released, which comes LAST? (a) list what to fix (b) release an update (c) fix and improve (d) test it again
25. 25.True or false: a big-text reader is the best fit for a grandparent with weak eyesight. (a) False (b) True
26. 26.True or false: a water reminder is a tool app. (a) True (b) False
27. 27.🗒️ Version 1 of a homework planner must be ready in 12 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 3 days
    see tasks by day: 4 days
28. 28.🛠️ At which stage do you sketch the screens? (a) the plan stage (b) the release stage (c) the idea stage (d) the test stage
29. 29.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) set a due date (c) see tasks by day (d) pick a theme colour
30. 30.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Cancel
    [text box] Notes
    [button] Help
    [slider] Text size
    [text box] City
    [text box] Email
31. 31.👥 A school app has 140 students, 190 teachers and 245 parents as users. How many more parents than teachers are there?
32. 32.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) see where the bus is (b) a dark mode (c) rate the driver (d) change the bus icon
33. 33.🗂️ What kind of app is an alarm clock? (a) a health app (b) a game (c) a learning app (d) a tool app
34. 34.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [button] Done
    [text box] Subject
    [text box] Age
    [text box] Name
    [button] Send
    [slider] Text size
    [switch] Dark mode (a) Age (b) Name (c) Subject (d) Done
35. 35.🔍 Which is the odd one out? (a) a result on screen (b) tapping a button (c) a buzz (vibration) (d) a beep sound
36. 36.True or false: a website has a web address. (a) True (b) False
37. 37.🧩 Which part lets the user give the app information? (a) an icon (b) a logo (c) a title (d) an input
38. 38.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) MVP (c) FAQ (d) CPU
39. 39.📴 Which of these can often still work with no internet? (a) a video call (b) a new website (c) an online search (d) an installed app
40. 40.👥 A library app has 170 readers, 175 librarians and 40 volunteers as users. How many users does it have in all?

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