App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 425 · 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.👥 A library app has 300 readers, 85 librarians and 90 volunteers as users. How many users does it have in all?
2. 2.True or false: a times-table quiz is a health app. (a) False (b) True
3. 3.👥 A clinic app has 80 patients, 100 doctors and 60 nurses as users. How many more doctors than nurses are there?
4. 4.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   missing the bus: 22 votes
   forgetting birthdays: 19 votes
   losing water bottles: 25 votes (a) losing water bottles (b) forgetting birthdays (c) missing the bus
5. 5.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
6. 6.True or false: you write down the bugs at the test stage. (a) True (b) False
7. 7.🧩 In an app, what is a date picker? (a) a button (b) a screen (c) data (d) an input
8. 8.🎯 Is this a user need or a feature: a share button? (a) a user need (b) a feature
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 105; // typed by the user
   line 2: let friends = 3; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 2 (b) line 4 (c) line 1 (d) line 3
10. 10.🔍 Which is the odd one out? (a) pick the features (b) list what users need (c) spot a problem to solve (d) talk to possible users
11. 11.Which of these is true of a website? (a) updates from the store (b) has a home-screen icon (c) has a web address (d) comes from an app store
12. 12.📅 An app team plans for 4 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
13. 13.Which of these happens at the plan stage? (a) spot a problem to solve (b) sketch the screens (c) add the buttons (d) write the code
14. 14.True or false: taking a photo is an input. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) a step counter (b) a puzzle with levels (c) a word battle (d) a cricket run chase
16. 16.🗒️ Version 1 of a homework planner must be ready in 10 days. How many days are left for extras after the must-haves?
    add a homework task: 4 days
    set a due date: 1 days
    see tasks by day: 5 days
17. 17.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) share tasks to friends (b) add a homework task (c) set a due date (d) see tasks by day
18. 18.Which of these is an input? (a) a result on screen (b) speaking a command (c) sorting the scores (d) a pop-up message
19. 19.🔢 After an app is released, which comes LAST? (a) list what to fix (b) fix and improve (c) read user reviews (d) release an update
20. 20.Which of these is true of an app? (a) opens from a link (b) opens in a web browser (c) needs no installing (d) is installed on a phone
21. 21.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show a question (c) confetti effects (d) show the score
22. 22.🗂️ What kind of app is a racing challenge? (a) a health app (b) a learning app (c) a game (d) a tool app
23. 23.True or false: a website has a web address. (a) False (b) True
24. 24.🔢 After an app is released, which comes first: “read user reviews” or “list what to fix”? (a) read user reviews (b) list what to fix
25. 25.True or false: a pop-up message is processing. (a) False (b) True
26. 26.🧩 What does a button do when you tap it? (a) changes the phone (b) shows the time (c) starts an action (d) saves the battery
27. 27.⚙️ What number does this app show?
    let km = 7; // typed by the user
    let metres = km * 1000;
    show(metres);
28. 28.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
29. 29.🛠️ At which stage do you write the code? (a) the idea stage (b) the test stage (c) the build stage (d) the plan stage
30. 30.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [slider] Volume
    [button] Send
    [text box] Email
    [button] Start
31. 31.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) ready to release (c) well planned (d) a nice extra
32. 32.Which of these is true of an app? (a) opens from a link (b) updates from the store (c) has a web address (d) needs no installing
33. 33.🗒️ What is a must-have feature? (a) a sound effect (b) a nice extra (c) one the app cannot skip (d) a colour theme
34. 34.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True
35. 35.🛠️ At which stage do you write the store text? (a) the build stage (b) the plan stage (c) the release stage (d) the test stage
36. 36.🔢 When you make an app, which comes first: “get an idea” or “build the app”? (a) build the app (b) get an idea
37. 37.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 50; // 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 3 (b) line 1 (c) line 4 (d) line 2
38. 38.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
39. 39.Which of these is an input? (a) a beep sound (b) sorting the scores (c) typing your age (d) a pop-up message
40. 40.🗒️ 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

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students