Let's solve this step-by-step by identifying
one input,
one process, and
one output for each of the digital devices listed. The idea is to show how each device receives data (input), processes it, and produces a result (output).
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1. Digital Camera
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INPUT: Light from a scene (via lens)
*(The camera captures light reflected from objects in front of it.)*
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PROCESS: Converts light into digital data using sensors (e.g., CCD or CMOS)
*(The image sensor converts photons into electrical signals, which are then digitized.)*
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OUTPUT: Digital photo stored on memory card
*(The processed image is saved as a file, such as JPEG or RAW format.)*
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2. Laptop
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INPUT: Keystrokes from keyboard
*(User types text or commands using the keyboard.)*
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PROCESS: CPU processes the keystrokes to run software or execute commands
*(The central processing unit interprets the input and runs programs accordingly.)*
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OUTPUT: Text displayed on the screen
*(The result of typing appears visually on the monitor.)*
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3. iPhone
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INPUT: Touchscreen gestures (e.g., tapping or swiping)
*(User interacts with the touchscreen to navigate apps.)*
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PROCESS: The operating system interprets touch inputs and runs corresponding app functions
*(The phone’s processor executes instructions based on user interaction.)*
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OUTPUT: App interface updates on the screen
*(The display shows the response to the user’s touch, like opening an app or scrolling.)*
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4. A Digital Device of Your Choice – Example: Smart Speaker (like Amazon Echo)
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INPUT: Voice command (spoken words)
*(User speaks a command, such as “Play music.”)*
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PROCESS: Microphone records audio, converts it to digital signal; AI analyzes voice and determines intent
*(The device uses speech recognition and natural language processing to understand the command.)*
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OUTPUT: Audio response (e.g., playing music or speaking back)
*(The speaker plays sound based on the processed command.)*
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✔ Summary Table:
| Device | Input | Process | Output |
|----------------|----------------------------|----------------------------------------------|-------------------------------------|
| Digital Camera | Light from scene | Converts light to digital image | Digital photo saved on memory card |
| Laptop | Keystrokes | CPU processes input to run software | Text displayed on screen |
| iPhone | Touchscreen gestures | OS interprets touch and runs app functions | Screen updates (app response) |
| Smart Speaker | Voice command | Processes voice via AI and speech recognition | Audio playback or spoken response |
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This demonstrates the
input-process-output (IPO) model used in digital devices — a fundamental concept in computing and technology. Each device takes in data, performs some internal operation, and produces useful output.
Parent Tip: Review the logic above to help your child master the concept of computing worksheet.
