App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 912 · 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.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a feature (b) a user need
2. 2.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting birthdays: 15 votes
   losing water bottles: 20 votes
   no quiet study place: 5 votes (a) no quiet study place (b) losing water bottles (c) forgetting birthdays
3. 3.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) log a glass of water (c) water animations (d) set a reminder time
4. 4.🧩 In an app, what is a slider for volume? (a) a button (b) data (c) an input (d) a screen
5. 5.🔍 Which is the odd one out? (a) tapping a button (b) a pop-up message (c) a buzz (vibration) (d) a result on screen
6. 6.True or false: tap to Save is a screen. (a) True (b) False
7. 7.🧩 Which of these is a button on this screen?
   [title] Order Snacks
   [button] Back
   [text box] Due date
   [button] Help
   [text box] Notes
   [button] Send (a) Help (b) Due date (c) Notes
8. 8.Which of these is a feature? (a) “Small text is hard” (b) “I keep missing the bus” (c) a dark mode switch (d) “I forget my homework”
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Sign Up
   [text box] Name
   [button] Save
   [switch] Show hints
   [slider] Brightness
10. 10.👥 A school app has 215 students, 50 teachers and 35 parents as users. How many more students than parents are there?
11. 11.True or false: a homework planner is the best fit for a pupil juggling five projects. (a) False (b) True
12. 12.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) FAQ (c) CPU (d) MVP
13. 13.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
14. 14.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 96; // 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 2 (c) line 1 (d) line 3
15. 15.🗒️ Version 1 of a quiz app must be ready in 11 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 2 days
    show the score: 2 days
16. 16.🧩 Which input is best for choosing a volume level? (a) a slider (b) a switch (c) a title (d) a text box
17. 17.👥 A school app has 245 students, 25 teachers and 80 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
18. 18.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a text box (c) a slider (d) a switch
19. 19.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [text box] Age
    [text box] Name
    [switch] Show hints
    [slider] Volume
    [button] Next
    [button] Save (a) Save (b) Name (c) Age (d) Show hints
20. 20.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
21. 21.🔍 Which is the odd one out? (a) talk to possible users (b) spot a problem to solve (c) sketch the screens (d) list what users need
22. 22.🧩 In an app, what is your high score? (a) a button (b) data (c) an input (d) a screen
23. 23.Which of these app ideas solves no real problem? (a) a blank grey screen (b) a medicine reminder (c) a lost-and-found board (d) a library due-date alert
24. 24.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a recipe finder (b) a bus tracker (c) a homework planner (d) a big-text reader
25. 25.🛠️ At which stage do you write down the bugs? (a) the test stage (b) the release stage (c) the idea stage (d) the plan stage
26. 26.Which of these is an input? (a) tap to Save (b) tap to Start (c) a box to type a name (d) tap to go Next
27. 27.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) check the answer (c) show the score (d) background music
28. 28.👥 A cricket club app has 285 players, 250 coaches and 85 fans as users. How many users does it have in all?
29. 29.True or false: the game-over page is a screen. (a) True (b) False
30. 30.True or false: a pocket-money tracker is the best fit for a grandparent with weak eyesight. (a) False (b) True
31. 31.🔔 What is a message an app shows on your lock screen called? (a) a web address (b) a notification (c) a wireframe (d) a variable
32. 32.Which of these is a button? (a) your high score (b) your saved notes (c) the game-over page (d) tap to Start
33. 33.⚙️ In an app, is working out a tip an input, processing or an output? (a) output (b) input (c) processing
34. 34.⚙️ In an app, is sorting the scores an input, processing or an output? (a) processing (b) input (c) output
35. 35.👥 A library app has 155 readers, 50 librarians and 180 volunteers as users. How many users does it have in all?
36. 36.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 9 votes
    no quiet study place: 5 votes
    forgetting homework: 24 votes (a) no quiet study place (b) wasting pocket money (c) forgetting homework
37. 37.👥 A library app has 30 readers, 115 librarians and 110 volunteers as users. How many more librarians than readers are there?
38. 38.True or false: a result on screen is an output. (a) True (b) False
39. 39.🧑 Who is an app really made for? (a) its icon (b) its charger (c) its coder only (d) its users
40. 40.⚙️ What number does this app show?
    let bill = 51; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);

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