App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 291 · 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.🛠️ At which stage do you let friends try it? (a) the plan stage (b) the release stage (c) the idea stage (d) the test stage
2. 2.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
   no quiet study place: 4 votes
   forgetting birthdays: 13 votes
   wasting pocket money: 19 votes
3. 3.🔍 Which is the odd one out? (a) a result on screen (b) a buzz (vibration) (c) a beep sound (d) taking a photo
4. 4.🧩 What does a button do when you tap it? (a) shows the time (b) starts an action (c) changes the phone (d) saves the battery
5. 5.📅 An app team plans for 4 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
6. 6.🛠️ At which stage do you write down the bugs? (a) the idea stage (b) the release stage (c) the build stage (d) the test stage
7. 7.Which of these is data? (a) a date picker (b) the log-in page (c) tap to Start (d) your high score
8. 8.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
9. 9.🛠️ At which stage do you put it on an app store? (a) the idea stage (b) the build stage (c) the release stage (d) the plan stage
10. 10.⚙️ In an app, is typing your age an input, processing or an output? (a) processing (b) output (c) input
11. 11.📅 An app team plans for 3 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Start
    [switch] Show hints
    [slider] Text size
    [text box] Subject
    [text box] City
13. 13.👥 A school app has 220 students, 135 teachers and 130 parents as users. How many more students than teachers are there?
14. 14.True or false: adding up a bill is an input. (a) False (b) True
15. 15.👥 A library app has 290 readers, 205 librarians and 275 volunteers as users. How many users does it have in all?
16. 16.💡 Does an app idea like an app that just says hi solve a real problem? (a) No (b) Yes
17. 17.True or false: you write down the bugs at the release stage. (a) False (b) True
18. 18.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 15 votes
    missing the bus: 23 votes
    forgetting birthdays: 8 votes
19. 19.📱 Which one has a web address: an app or a website? (a) an app (b) a website
20. 20.🗒️ When should nice-to-have features be built? (a) after the must-haves (b) never (c) on day one (d) before anything
21. 21.⚙️ What number does this app show?
    let bill = 135; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 75; // typed by the user
    line 2: let friends = 5; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 1 (b) line 3 (c) line 4 (d) line 2
23. 23.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 57; // 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 1 (b) line 2 (c) line 4 (d) line 3
24. 24.Which of these is an output? (a) working out a tip (b) taking a photo (c) a result on screen (d) tapping a button
25. 25.💡 Does an app idea like a button with no action solve a real problem? (a) No (b) Yes
26. 26.🗒️ The first small, working version of an app is often called an ___. (a) CPU (b) MVP (c) URL (d) FAQ
27. 27.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 10 votes
    forgetting birthdays: 5 votes
    no quiet study place: 3 votes
28. 28.📱 The word “app” is short for ___. (a) apparatus (b) appetite (c) application (d) appointment
29. 29.👥 A library app has 135 readers, 205 librarians and 185 volunteers as users. How many users does it have in all?
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 12; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
31. 31.👥 A school app has 95 students, 270 teachers and 210 parents as users. Which user group is the biggest? (a) parents (b) students (c) teachers
32. 32.True or false: an app has a web address. (a) True (b) False
33. 33.⚙️ What number does this app show?
    let bill = 34; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
34. 34.📅 An app team plans for 2 days, builds for 11 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
35. 35.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Done
    [slider] Brightness
    [text box] Due date
    [button] Save
    [button] Cancel
36. 36.💡 Which app idea solves this problem: projects pile up at once? (a) a homework planner (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
37. 37.🔍 Which is the odd one out? (a) an alarm clock (b) a step counter (c) a water reminder (d) a sleep tracker
38. 38.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) set a due date (c) pick a theme colour (d) add a homework task
39. 39.True or false: a website is installed on a phone. (a) True (b) False
40. 40.🛠️ At which stage do you talk to possible users? (a) the test stage (b) the release stage (c) the plan stage (d) the idea stage

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