App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 693 · 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 of these app ideas solves a real problem? (a) an app that just says hi (b) a library due-date alert (c) a blank grey screen (d) a page of random dots
2. 2.🎯 A short made-up profile of a typical user is called a ___. (a) pixel (b) protocol (c) password (d) persona
3. 3.Which of these is true of an app? (a) needs no installing (b) opens in a web browser (c) is installed on a phone (d) has a web address
4. 4.Which of these is an input? (a) a pop-up message (b) working out a tip (c) tapping a button (d) sorting the scores
5. 5.🧩 In an app, what is a date picker? (a) a button (b) data (c) an input (d) a screen
6. 6.🔍 Which is the odd one out? (a) a torch (b) an alarm clock (c) a calculator (d) a water reminder
7. 7.🔍 Which is the odd one out? (a) taking a photo (b) adding up a bill (c) typing your age (d) tapping a button
8. 8.🔍 Which is the odd one out? (a) a result on screen (b) a pop-up message (c) taking a photo (d) a beep sound
9. 9.Which of these is data? (a) the home page of an app (b) your friends list (c) the log-in page (d) tap to Save
10. 10.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) share tasks to friends (c) see tasks by day (d) set a due date
11. 11.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [switch] Show hints
    [slider] Brightness
    [text box] Subject
    [text box] Due date
    [button] Save
    [button] Cancel (a) Show hints (b) Due date (c) Subject (d) Save
12. 12.True or false: a bill splitter solves no real problem. (a) False (b) True
13. 13.🧩 Which input is best for choosing a volume level? (a) a switch (b) a text box (c) a slider (d) a title
14. 14.⚙️ 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 2 (b) line 1 (c) line 4 (d) line 3
15. 15.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a page of random dots (c) a bill splitter (d) a button with no action
16. 16.🔍 Which is the odd one out? (a) sorting the scores (b) working out a tip (c) checking a password (d) a result on screen
17. 17.Which of these is an input? (a) checking a password (b) a beep sound (c) adding up a bill (d) typing your age
18. 18.🔢 After an app is released, which comes first: “fix and improve” or “release an update”? (a) fix and improve (b) release an update
19. 19.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a bus tracker (b) a homework planner (c) a water reminder (d) a recipe finder
20. 20.True or false: a blank grey screen solves a real problem. (a) True (b) False
21. 21.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 100; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 3 (b) line 2 (c) line 4 (d) line 1
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 95; // typed by the user
    line 2: let qty = 5; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 1 (b) line 4 (c) line 3 (d) line 2
23. 23.💡 Does an app idea like a lost-and-found board solve a real problem? (a) No (b) Yes
24. 24.Which of these is a user need? (a) a reminder alarm (b) “I keep missing the bus” (c) a dark mode switch (d) a share button
25. 25.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a homework planner (b) a big-text reader (c) a recipe finder (d) a pocket-money tracker
26. 26.🧩 In an app, what is the game-over page? (a) a screen (b) data (c) a button (d) an input
27. 27.True or false: a page of random dots solves no real problem. (a) True (b) False
28. 28.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) background music (b) check the answer (c) show a question (d) show the score
29. 29.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Back
    [button] Cancel
    [text box] Phone
    [text box] Age
    [switch] Dark mode
    [text box] Notes
30. 30.🗒️ Version 1 of a bus tracker must be ready in 7 days. How many days are left for extras after the must-haves?
    see where the bus is: 1 days
    show arrival time: 2 days
    pick your bus stop: 3 days
31. 31.Which of these happens at the test stage? (a) list what users need (b) draw the user flow (c) write the code (d) let friends try it
32. 32.🔍 Which is the odd one out? (a) talk to possible users (b) draw the user flow (c) spot a problem to solve (d) list what users need
33. 33.🗒️ Version 1 of a quiz app must be ready in 6 days. How many days are left for extras after the must-haves?
    show a question: 3 days
    check the answer: 1 days
    show the score: 2 days
34. 34.👥 A school app has 220 students, 185 teachers and 70 parents as users. How many more students than teachers are there?
35. 35.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
36. 36.🧩 In an app, what is a slider for volume? (a) data (b) an input (c) a button (d) a screen
37. 37.📅 An app team plans for 5 days, builds for 6 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
38. 38.📅 An app team plans for 4 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
39. 39.True or false: a library due-date alert solves no real problem. (a) True (b) False
40. 40.Which of these is a feature? (a) “What should I cook?” (b) “I keep missing the bus” (c) “I forget my homework” (d) a reminder alarm

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