App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 233 · 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 input is best for typing your name? (a) a text box (b) a picture (c) a slider (d) a switch
2. 2.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [slider] Text size
   [text box] Age
   [button] Back
   [button] Help
   [text box] Phone
   [button] Cancel
3. 3.⚙️ What number does this app show?
   let price = 35; // typed by the user
   let qty = 3; // typed by the user
   let total = price * qty;
   show(total);
4. 4.🔍 Which is the odd one out? (a) a racing challenge (b) a word battle (c) a cricket run chase (d) a times-table quiz
5. 5.🎯 Which app would help this user most: a teen learning to make snacks? (a) a pocket-money tracker (b) a recipe finder (c) a homework planner (d) a bus tracker
6. 6.📊 Survey: which problem bugs you most? How many students voted in all?
   no quiet study place: 20 votes
   missing the bus: 7 votes
   forgetting birthdays: 8 votes
7. 7.Which of these is true of a website? (a) comes from an app store (b) updates from the store (c) has a web address (d) has a home-screen icon
8. 8.🛠️ At which stage do you list what users need? (a) the plan stage (b) the build stage (c) the test stage (d) the idea stage
9. 9.🔍 Which is the odd one out? (a) typing your age (b) a buzz (vibration) (c) taking a photo (d) speaking a command
10. 10.🧩 Which of these is a button on this screen?
    [title] Settings
    [switch] Sound
    [text box] City
    [text box] Due date
    [button] Next
    [slider] Volume (a) Sound (b) Next (c) Due date (d) City
11. 11.Which of these happens at the test stage? (a) talk to possible users (b) share the download link (c) try every button (d) sketch the screens
12. 12.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a bill splitter (b) a lost-and-found board (c) a study-room finder (d) a homework planner
13. 13.📅 An app team plans for 5 days, builds for 9 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
14. 14.True or false: the settings page is a screen. (a) True (b) False
15. 15.⚙️ What number does this app show?
    let price = 550; // typed by the user
    let off = 10; // typed by the user
    let pay = price - off;
    show(pay);
16. 16.👥 A clinic app has 275 patients, 255 doctors and 40 nurses as users. How many more doctors than nurses are there?
17. 17.Which of these happens at the build stage? (a) add the buttons (b) list what users need (c) share the download link (d) try every button
18. 18.Which of these app ideas solves a real problem? (a) a page of random dots (b) an app that just says hi (c) a blank grey screen (d) a bill splitter
19. 19.⚙️ In an app, is working out a tip an input, processing or an output? (a) output (b) input (c) processing
20. 20.True or false: an app is installed on a phone. (a) False (b) True
21. 21.True or false: the home page of an app is a screen. (a) False (b) True
22. 22.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Due date
    [text box] Subject
    [button] Start
    [slider] Text size
    [text box] Notes
23. 23.👥 A school app has 240 students, 245 teachers and 90 parents as users. How many more teachers than students are there?
24. 24.🎯 Why learn about users before you build? (a) to pick a logo (b) to build what they need (c) to slow it down (d) to make it longer
25. 25.True or false: a date picker is data. (a) False (b) True
26. 26.True or false: a big-text reader is the best fit for a parent waiting at the bus stop. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) tapping a button (b) working out a tip (c) sorting the scores (d) adding up a bill
28. 28.True or false: a free study-room finder solves no real problem. (a) False (b) True
29. 29.Which of these is true of a website? (a) has a home-screen icon (b) comes from an app store (c) needs no installing (d) updates from the store
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 102; // typed by the user
    line 2: let friends = 2; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 3 (b) line 1 (c) line 4 (d) line 2
31. 31.Which of these is processing? (a) a pop-up message (b) typing your age (c) working out a tip (d) a result on screen
32. 32.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) an avatar shop (c) background music (d) show a question
33. 33.Which of these is data? (a) your saved notes (b) tap to Start (c) tap to go Next (d) tap to Save
34. 34.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a bill splitter (b) a lost-and-found board (c) a homework planner (d) a medicine reminder
35. 35.📱 Which one has a web address: an app or a website? (a) an app (b) a website
36. 36.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
37. 37.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Next
    [button] Done
    [button] Save
    [text box] Name
38. 38.🌐 Which program do you need to open a website? (a) a web browser (b) a calculator (c) an app store (d) a camera app
39. 39.🗂️ What kind of app is a puzzle with levels? (a) a tool app (b) a learning app (c) a game (d) a health app
40. 40.Which of these is processing? (a) sorting the scores (b) typing your age (c) speaking a command (d) a beep sound

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