App Dev Worksheet: Part 1 Test
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.
NameDateTime takenScore ___ / 40
- 1.🔍 Which is the odd one out? (a) a racing challenge (b) a step counter (c) a water reminder (d) a sleep tracker
- 2.🎯 What is a user need? (a) a colour theme (b) a phone setting (c) a problem a user has (d) a type of button
-
3.⚙️ Which line does the processing (works out the answer)?
line 1: let bill = 117; // 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 2 (b) line 4 (c) line 1 (d) line 3 - 4.🗒️ When should nice-to-have features be built? (a) on day one (b) before anything (c) after the must-haves (d) never
-
5.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Order Snacks
[button] Back
[button] Done
[text box] Due date
[button] Start - 6.Which of these is data? (a) the home page of an app (b) tap to go Next (c) your saved notes (d) a date picker
- 7.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) show arrival time (c) rate the driver (d) change the bus icon
- 8.👥 A library app has 75 readers, 170 librarians and 90 volunteers as users. Which user group is the biggest? (a) readers (b) librarians (c) volunteers
- 9.True or false: a word battle is a game. (a) False (b) True
-
10.🗒️ Version 1 of a water reminder must be ready in 13 days. How many days are left for extras after the must-haves?
set a reminder time: 1 days
log a glass of water: 2 days
see today’s total: 5 days - 11.🧩 In an app, what is tap to Start? (a) a button (b) an input (c) data (d) a screen
-
12.⚙️ Which line does the processing (works out the answer)?
line 1: let price = 410; // typed by the user
line 2: let off = 10; // 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 - 13.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
- 14.🔍 Which is the odd one out? (a) a spelling coach (b) a times-table quiz (c) a flashcard trainer (d) a water reminder
- 15.True or false: a library due-date alert solves no real problem. (a) False (b) True
- 16.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) share tasks to friends (c) pick a theme colour (d) see tasks by day
- 17.🛠️ At which stage do you list what users need? (a) the build stage (b) the plan stage (c) the idea stage (d) the release stage
- 18.🧩 Which input is best for typing your name? (a) a switch (b) a picture (c) a slider (d) a text box
- 19.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) log a glass of water (b) share your streak (c) set a reminder time (d) see today’s total
-
20.📊 Survey: which problem bugs you most? Which problem should your app solve first?
forgetting birthdays: 14 votes
missing the bus: 22 votes
wasting pocket money: 13 votes (a) wasting pocket money (b) forgetting birthdays (c) missing the bus -
21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Settings
[text box] Age
[button] Send
[button] Start
[switch] Sound - 22.🔍 Which is the odd one out? (a) tapping a button (b) speaking a command (c) a result on screen (d) typing your age
- 23.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True
-
24.🧩 Which of these is a button on this screen?
[title] Order Snacks
[text box] City
[switch] Show hints
[text box] Age
[text box] Due date
[button] Start
[button] Cancel
[button] Help (a) Due date (b) City (c) Age (d) Start - 25.Which of these is true of a website? (a) comes from an app store (b) opens from a link (c) has a home-screen icon (d) updates from the store
- 26.🛠️ At which stage do you draw the user flow? (a) the release stage (b) the idea stage (c) the plan stage (d) the build stage
- 27.👥 A cricket club app has 140 players, 220 coaches and 145 fans as users. How many users does it have in all?
- 28.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) share tasks to friends (c) set a due date (d) pick a theme colour
- 29.🔍 Which is the odd one out? (a) taking a photo (b) sorting the scores (c) checking a password (d) adding up a bill
- 30.True or false: an app comes from an app store. (a) True (b) False
- 31.⚙️ In an app, is a pop-up message an input, processing or an output? (a) output (b) input (c) processing
- 32.Which of these is true of an app? (a) has a web address (b) opens in a web browser (c) opens from a link (d) is installed on a phone
- 33.🔢 After an app is released, which comes LAST? (a) test it again (b) release an update (c) list what to fix (d) read user reviews
-
34.🧩 How many buttons does this app screen have?
[title] Add Homework
[button] Save
[switch] Sound
[button] Send
[text box] Notes
[button] Cancel -
35.⚙️ What number does this app show?
let price = 20; // typed by the user
let qty = 3; // typed by the user
let total = price * qty;
show(total); - 36.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) change the bus icon (b) show arrival time (c) see where the bus is (d) pick your bus stop
- 37.🔍 Which is the odd one out? (a) typing your age (b) speaking a command (c) a beep sound (d) taking a photo
- 38.💡 Which app idea solves this problem: a team shares one snack bill? (a) a lost-and-found board (b) a bill splitter (c) a homework planner (d) a medicine reminder
- 39.🧩 In an app, what is tap to Save? (a) an input (b) a screen (c) a button (d) data
- 40.🔍 Which is the odd one out? (a) list what users need (b) talk to possible users (c) spot a problem to solve (d) connect the data
Answer key
- a racing challenge
- a problem a user has
- line 3
- after the must-haves
- 1
- your saved notes
- show arrival time
- librarians
- True
- 5
- a button
- line 3
- a website
- a water reminder
- False
- see tasks by day
- the idea stage
- a text box
- share your streak
- missing the bus
- 2
- a result on screen
- True
- Start
- opens from a link
- the plan stage
- 505
- set a due date
- taking a photo
- True
- output
- is installed on a phone
- release an update
- 3
- 60
- change the bus icon
- a beep sound
- a bill splitter
- a button
- connect the data
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students