App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 545 · 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 lost-and-found board (c) a blank grey screen (d) a button with no action
2. 2.🧩 What do we call one full page of an app? (a) a screen (b) a variable (c) a battery (d) a cable
3. 3.🔍 Which is the odd one out? (a) taking a photo (b) typing your age (c) a result on screen (d) tapping a button
4. 4.True or false: a slider for volume is data. (a) False (b) True
5. 5.🗒️ Version 1 of a homework planner must be ready in 8 days. How many days are left for extras after the must-haves?
   add a homework task: 3 days
   set a due date: 1 days
   see tasks by day: 3 days
6. 6.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a button with no action (c) a lost-and-found board (d) a bill splitter
7. 7.💡 A good app idea starts with ___. (a) a cool logo (b) many colours (c) a long name (d) a problem to solve
8. 8.🎯 Why learn about users before you build? (a) to build what they need (b) to make it longer (c) to slow it down (d) to pick a logo
9. 9.Which of these happens at the release stage? (a) talk to possible users (b) put it on an app store (c) list what users need (d) sketch the screens
10. 10.Which of these happens at the test stage? (a) try every button (b) pick the features (c) write the code (d) write the store text
11. 11.True or false: tap to go Next is data. (a) True (b) False
12. 12.💡 After a survey, which need should version 1 solve? (a) a random need (b) the rarest need (c) the newest trend (d) the most common need
13. 13.🔢 After an app is released, which comes LAST? (a) fix and improve (b) test it again (c) release an update (d) list what to fix
14. 14.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a feature (b) a user need
15. 15.🔢 After an app is released, what comes right after “read user reviews”? (a) list what to fix (b) test it again (c) fix and improve (d) release an update
16. 16.🧩 Which of these is a button on this screen?
    [title] New Note
    [slider] Volume
    [button] Help
    [text box] City (a) City (b) Volume (c) Help
17. 17.🧩 In an app, what is a box to type a name? (a) data (b) a button (c) an input (d) a screen
18. 18.True or false: a website has a home-screen icon. (a) True (b) False
19. 19.Which of these is processing? (a) taking a photo (b) tapping a button (c) checking a password (d) a result on screen
20. 20.Which of these is true of an app? (a) opens in a web browser (b) is installed on a phone (c) needs no installing (d) has a web address
21. 21.👥 A clinic app has 245 patients, 120 doctors and 100 nurses as users. Which user group is the biggest? (a) nurses (b) doctors (c) patients
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 45; // typed by the user
    line 2: let qty = 4; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 1 (c) line 4 (d) line 3
23. 23.Which of these is an input? (a) tapping a button (b) checking a password (c) adding up a bill (d) working out a tip
24. 24.True or false: a big-text reader is the best fit for a reader who finds small print hard. (a) False (b) True
25. 25.🗒️ What is a must-have feature? (a) a nice extra (b) a colour theme (c) one the app cannot skip (d) a sound effect
26. 26.👥 A cricket club app has 165 players, 30 coaches and 250 fans as users. How many users does it have in all?
27. 27.📅 An app team plans for 4 days, builds for 6 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
28. 28.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
29. 29.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) processing (c) input
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 158; // 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 4 (b) line 1 (c) line 2 (d) line 3
31. 31.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a bus tracker (b) a recipe finder (c) a homework planner (d) a water reminder
32. 32.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 13 votes
    wasting pocket money: 22 votes
    forgetting birthdays: 7 votes
33. 33.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 16 votes
    no quiet study place: 8 votes
    losing water bottles: 17 votes (a) forgetting homework (b) losing water bottles (c) no quiet study place
34. 34.True or false: a website comes from an app store. (a) True (b) False
35. 35.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 12 votes
    wasting pocket money: 11 votes
    forgetting birthdays: 9 votes (a) wasting pocket money (b) forgetting homework (c) forgetting birthdays
36. 36.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 23 votes
    wasting pocket money: 9 votes
    missing the bus: 5 votes (a) forgetting birthdays (b) wasting pocket money (c) missing the bus
37. 37.True or false: a beep sound is processing. (a) True (b) False
38. 38.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 25 votes
    wasting pocket money: 7 votes
    missing the bus: 24 votes
39. 39.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) see tasks by day (c) add a homework task (d) pick a theme colour
40. 40.True or false: you put it on an app store at the idea stage. (a) True (b) False

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