App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 343 · 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.🧩 What does a button do when you tap it? (a) saves the battery (b) shows the time (c) starts an action (d) changes the phone
2. 2.📅 An app team plans for 3 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
3. 3.True or false: a website is installed on a phone. (a) False (b) True
4. 4.Which of these is an input? (a) adding up a bill (b) a buzz (vibration) (c) working out a tip (d) tapping a button
5. 5.True or false: a racing challenge is a tool app. (a) False (b) True
6. 6.True or false: a box to type a name is an input. (a) False (b) True
7. 7.💡 How can you check that people really have the problem? (a) just guess (b) pick a colour (c) ask possible users (d) copy another app
8. 8.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) see tasks by day (c) set a due date (d) pick a theme colour
9. 9.⚙️ What number does this app show?
   let price = 25; // typed by the user
   let qty = 6; // typed by the user
   let total = price * qty;
   show(total);
10. 10.True or false: tap to Start is an input. (a) False (b) True
11. 11.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
12. 12.Which of these is true of an app? (a) has a web address (b) needs no installing (c) comes from an app store (d) opens in a web browser
13. 13.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a blank grey screen (c) a free study-room finder (d) a button with no action
14. 14.🧩 In an app, what is the log-in page? (a) a button (b) a screen (c) an input (d) data
15. 15.👥 A school app has 190 students, 90 teachers and 225 parents as users. How many more parents than teachers are there?
16. 16.🗂️ What kind of app is an alarm clock? (a) a health app (b) a game (c) a learning app (d) a tool app
17. 17.📱 The word “app” is short for ___. (a) apparatus (b) appointment (c) appetite (d) application
18. 18.🛠️ At which stage do you try every button? (a) the test stage (b) the release stage (c) the build stage (d) the plan stage
19. 19.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Cancel
    [slider] Volume
    [switch] Remind me
    [text box] Subject
    [text box] Due date
    [text box] Age
20. 20.🗂️ What kind of app is a word battle? (a) a learning app (b) a tool app (c) a game (d) a health app
21. 21.⚙️ In an app, is checking a password an input, processing or an output? (a) output (b) input (c) processing
22. 22.True or false: tap to Start is data. (a) True (b) False
23. 23.🛠️ At which stage do you put it on an app store? (a) the release stage (b) the plan stage (c) the idea stage (d) the build stage
24. 24.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] Name
    [button] Done
    [button] Save
    [text box] Notes
    [text box] Subject (a) Save (b) Notes (c) Name (d) Subject
25. 25.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) a dark mode (c) see where the bus is (d) rate the driver
26. 26.📅 An app team plans for 5 days, builds for 10 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
27. 27.🔍 Which is the odd one out? (a) a step counter (b) a racing challenge (c) a water reminder (d) a sleep tracker
28. 28.True or false: a water reminder is a learning app. (a) False (b) True
29. 29.📱 Which one has a web address: an app or a website? (a) an app (b) a website
30. 30.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a recipe finder (b) a bus tracker (c) a homework planner (d) a water reminder
31. 31.⚙️ What number does this app show?
    let km = 4; // typed by the user
    let metres = km * 1000;
    show(metres);
32. 32.💡 Which app idea solves this problem: the library is always full? (a) a medicine reminder (b) a study-room finder (c) a lost-and-found board (d) a homework planner
33. 33.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [button] Next
    [button] Back
    [text box] Subject
    [text box] City
    [slider] Brightness
    [button] Save
34. 34.Which of these app ideas solves no real problem? (a) a button with no action (b) a free study-room finder (c) a lost-and-found board (d) a library due-date alert
35. 35.🌐 Which program do you need to open a website? (a) a web browser (b) a calculator (c) a camera app (d) an app store
36. 36.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) pie-chart colours (b) export to a file (c) add money received (d) savings stickers
37. 37.🔍 Which is the odd one out? (a) working out a tip (b) taking a photo (c) tapping a button (d) speaking a command
38. 38.👥 A cricket club app has 195 players, 150 coaches and 75 fans as users. Which user group is the biggest? (a) players (b) coaches (c) fans
39. 39.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 15; // 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 2 (b) line 3 (c) line 1 (d) line 4
40. 40.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [text box] Subject
    [button] Start

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