App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 492 · 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 line does the processing (works out the answer)?
   line 1: let km = 4; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
2. 2.True or false: a buzz (vibration) is an output. (a) False (b) True
3. 3.True or false: you add the buttons at the idea stage. (a) False (b) True
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 240; // typed by the user
   line 2: let off = 50; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 4 (b) line 3 (c) line 2 (d) line 1
5. 5.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a big-text reader (b) a bus tracker (c) a water reminder (d) a homework planner
6. 6.🧩 What do we call one full page of an app? (a) a screen (b) a cable (c) a battery (d) a variable
7. 7.📊 Survey: which problem bugs you most? How many students voted in all?
   no quiet study place: 15 votes
   losing water bottles: 6 votes
   wasting pocket money: 10 votes
8. 8.True or false: you write down the bugs at the test stage. (a) False (b) True
9. 9.💡 Which app idea solves this problem: friends argue over who pays? (a) a medicine reminder (b) a lost-and-found board (c) a study-room finder (d) a bill splitter
10. 10.True or false: the settings page is a screen. (a) True (b) False
11. 11.Which of these is true of a website? (a) opens from a link (b) has a home-screen icon (c) updates from the store (d) comes from an app store
12. 12.Which of these is a screen? (a) your saved notes (b) the home page of an app (c) tap to Save (d) a slider for volume
13. 13.Which of these is an output? (a) a beep sound (b) checking a password (c) speaking a command (d) adding up a bill
14. 14.True or false: a box to type a name is data. (a) False (b) True
15. 15.True or false: a website has a web address. (a) True (b) False
16. 16.True or false: adding up a bill is an output. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) a word battle (b) a puzzle with levels (c) a flashcard trainer (d) a cricket run chase
18. 18.True or false: a website updates from the store. (a) False (b) True
19. 19.📅 An app team plans for 5 days, builds for 11 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
20. 20.👥 A clinic app has 170 patients, 200 doctors and 265 nurses as users. How many more doctors than patients are there?
21. 21.True or false: you put it on an app store at the release stage. (a) True (b) False
22. 22.Which of these happens at the build stage? (a) connect the data (b) write down the bugs (c) share the download link (d) list what users need
23. 23.🧩 Which part lets the user give the app information? (a) a title (b) an input (c) an icon (d) a logo
24. 24.True or false: an app needs no installing. (a) True (b) False
25. 25.🔢 After an app is released, what comes right after “read user reviews”? (a) list what to fix (b) release an update (c) test it again (d) fix and improve
26. 26.👥 A library app has 35 readers, 215 librarians and 300 volunteers as users. How many more librarians than readers are there?
27. 27.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) check the answer (c) background music (d) an avatar shop
28. 28.True or false: the game-over page is a screen. (a) False (b) True
29. 29.📴 Which of these can often still work with no internet? (a) a video call (b) an online search (c) an installed app (d) a new website
30. 30.⚙️ In an app, is typing your age an input, processing or an output? (a) processing (b) output (c) input
31. 31.True or false: sorting the scores is an input. (a) False (b) True
32. 32.Which of these is a feature? (a) “What should I cook?” (b) a reminder alarm (c) “I forget my homework” (d) “I keep missing the bus”
33. 33.🗒️ 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
34. 34.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) confetti effects (c) show the score (d) background music
35. 35.Which of these is an input? (a) a pop-up message (b) adding up a bill (c) typing your age (d) sorting the scores
36. 36.Which of these is processing? (a) speaking a command (b) tapping a button (c) a result on screen (d) adding up a bill
37. 37.Which of these app ideas solves no real problem? (a) a lost-and-found board (b) a medicine reminder (c) a page of random dots (d) a library due-date alert
38. 38.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 8 votes
    no quiet study place: 18 votes
    forgetting birthdays: 5 votes
39. 39.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a pocket-money tracker (b) a homework planner (c) a water reminder (d) a bus tracker
40. 40.🗂️ What kind of app is a flashcard trainer? (a) a game (b) a learning app (c) a tool app (d) a health app

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