App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 812 · 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.🗒️ Version 1 of a pocket-money tracker must be ready in 7 days. How many days are left for extras after the must-haves?
   add money received: 1 days
   add money spent: 1 days
   show the balance: 2 days
2. 2.👥 A clinic app has 235 patients, 55 doctors and 255 nurses as users. How many more nurses than doctors are there?
3. 3.🧑 Who is an app really made for? (a) its coder only (b) its icon (c) its users (d) its charger
4. 4.⚙️ What number does this app show?
   let km = 11; // typed by the user
   let metres = km * 1000;
   show(metres);
5. 5.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a sound effect (d) a colour theme
6. 6.🗒️ Version 1 of a pocket-money tracker must be ready in 7 days. How many days are left for extras after the must-haves?
   add money received: 1 days
   add money spent: 4 days
   show the balance: 2 days
7. 7.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) has a web address (d) updates from the store
8. 8.🔍 Which is the odd one out? (a) a water reminder (b) a step counter (c) a sleep tracker (d) a cricket run chase
9. 9.👥 A school app has 260 students, 125 teachers and 300 parents as users. How many users does it have in all?
10. 10.🛠️ At which stage do you write down the bugs? (a) the test stage (b) the release stage (c) the plan stage (d) the build stage
11. 11.🗒️ Version 1 of a pocket-money tracker must be ready in 14 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 4 days
    show the balance: 5 days
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Subject
    [text box] Email
    [text box] Phone
    [switch] Remind me
    [button] Help
13. 13.Which of these is a user need? (a) a search bar (b) a dark mode switch (c) a share button (d) “I forget my homework”
14. 14.True or false: you write down the bugs at the test stage. (a) False (b) True
15. 15.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show the score (c) show a question (d) confetti effects
16. 16.🔍 Which is the odd one out? (a) list what users need (b) spot a problem to solve (c) sketch the screens (d) talk to possible users
17. 17.⚙️ What number does this app show?
    let km = 3; // typed by the user
    let metres = km * 1000;
    show(metres);
18. 18.👥 A school app has 75 students, 245 teachers and 160 parents as users. How many users does it have in all?
19. 19.👥 A cricket club app has 20 players, 165 coaches and 35 fans as users. Which user group is the biggest? (a) players (b) fans (c) coaches
20. 20.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
21. 21.🔢 When you make an app, which comes FIRST? (a) release it (b) get an idea (c) plan the screens (d) test the app
22. 22.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a lost-and-found board (c) a page of random dots (d) a button with no action
23. 23.💡 After a survey, which need should version 1 solve? (a) the rarest need (b) a random need (c) the most common need (d) the newest trend
24. 24.🗒️ The first small, working version of an app is often called an ___. (a) FAQ (b) CPU (c) MVP (d) URL
25. 25.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [switch] Show hints
    [button] Back
    [text box] Name
26. 26.True or false: checking a password is processing. (a) False (b) True
27. 27.Which of these is true of a website? (a) is installed on a phone (b) has a web address (c) updates from the store (d) comes from an app store
28. 28.True or false: your saved notes is data. (a) False (b) True
29. 29.🛠️ At which stage do you sketch the screens? (a) the idea stage (b) the build stage (c) the plan stage (d) the release stage
30. 30.👥 A cricket club app has 90 players, 255 coaches and 125 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
31. 31.💡 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
32. 32.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “no quiet study place”?
    missing the bus: 17 votes
    forgetting birthdays: 16 votes
    no quiet study place: 15 votes
33. 33.Which of these is an output? (a) checking a password (b) a result on screen (c) speaking a command (d) taking a photo
34. 34.🗂️ What kind of app is a unit converter? (a) a learning app (b) a game (c) a tool app (d) a health app
35. 35.📅 An app team plans for 4 days, builds for 10 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
36. 36.Which of these is an output? (a) speaking a command (b) a beep sound (c) typing your age (d) taking a photo
37. 37.Which of these is true of a website? (a) comes from an app store (b) has a home-screen icon (c) needs no installing (d) is installed on a phone
38. 38.Which of these is a user need? (a) “What should I cook?” (b) a search bar (c) a dark mode switch (d) a share button
39. 39.👥 A clinic app has 120 patients, 110 doctors and 40 nurses as users. How many users does it have in all?
40. 40.📅 An app team plans for 4 days, builds for 10 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?

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