Lesson 5 of 6
What goes in, what comes out, and what connects
One idea at a time. Try the example, then keep going.
Big ideas · 1 of 5
Big ideas
Do this: Read each point. Find an example of input and output on your Chromebook.
An input device sends data or commands into a computer. A keyboard sends the letters you type. A microphone captures sound. A touchscreen senses your tap. Here, a device can be any piece of equipment, not only your computer.
An output device communicates a result. A display shows a picture. Speakers play sound. A touchscreen is both input and output: sensing a tap and showing a picture are different actions.
A PeripheralConnected equipment that helps a computer do a job.Exactly: Equipment connected to a computer for functions such as input, output, or storage. Examples include an external keyboard, printer, or storage drive.Mix-up alert: A peripheral is not the CPU. Its connection may use a cable or be wireless.See this in Key words is equipment connected to a computer for jobs such as input, output, or storage. An external keyboard, printer, or storage drive can be a peripheral. It is not the CPU.
A physical PortA socket where you plug equipment in.Exactly: A physical connection point that accepts a matching plug. Its stated capabilities help determine what connected equipment can do.Mix-up alert: A plug fitting does not prove that every needed capability is supported.See this in Key words is a socket where a matching plug connects equipment. A port label is a clue, not a promise that every device will work. CompatibilityBeing able to work together for the job.Exactly: The ability of equipment to work together for the stated task. In class, check it using the supplied capability information.Mix-up alert: Do not infer compatibility from price, capacity, or a plug fitting alone.See this in Key words means the equipment can work together for the task.
A Wireless connectionA connection with no cable between the devices.Exactly: A connection that carries data without a connecting cable, using radio signals such as Wi-Fi or Bluetooth.Mix-up alert: Wireless equipment still needs power and a compatible connection.See this in Key words carries data without a cable between the connected devices. Bluetooth and Wi-Fi use radio signals. Wireless equipment still needs power and compatible connections. Use only connections your teacher approves.
Step-through
Do this: Step through the picture. Explain each device's job and connection.
Devices do different jobs. A cable or a wireless link connects them, but you still need to check that they work together.
Whole picture, 4 steps
4 steps. Tap a number or Show me how it works.
Do this: Read the clues. Explain why the equipment fits the job.
Tavi needs to record a book review on a Chromebook and listen to it. The supplied equipment card says the microphone and headphones work with this Chromebook's connections. The microphone captures Tavi's voice, so it is input. The headphones play the recording, so they are output. The card gives compatibility evidence. Tavi uses the teacher-approved equipment, not a guess based only on the shape of a plug.
Do this: Explain what you would check after looking at the port label.
A plug fitting a port does not prove that the connection supports your task. Check the supplied compatibility information. If that information is missing, ask your teacher. Do not assume an adapter will solve it or change school equipment yourself.
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Code.org, about 4 minutes
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Write it
Do this: Explain both actions, then compare your answer.
Start here if it helps: Sensing the tap is input because...
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Flashcards
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Card 1 of 9
0 Know it0 Still learning
Which way does the data go?
On the card: Enter or Space flips. Left and Right move. After revealing, 1 marks Still learning and 2 marks Know it. Tab reaches every control.
What does an input device do?
It sends data or commands into the computer, like a keyboard sending typed letters.
What does an output device do?
It communicates a result, like speakers playing a sound.
Can a touchscreen do both jobs?
Yes. Sensing your tap is input. Showing an image is output.
What is a peripheral?
Equipment connected to a computer for a job such as input, output, or storage.
What is a physical port?
A socket where a matching plug connects equipment.
What makes a connection wireless?
It carries data without a cable between the connected devices. Wi-Fi and Bluetooth use radio signals.
What does compatibility mean?
Equipment can work together for the stated task.
A plug fits. What should you check next?
Check the supplied compatibility and capability information. Fitting alone does not prove it will do the task.
Does wireless mean no power is needed?
No. Wireless removes the connecting data cable, not the need for power.
True or false
Do this: Choose True or False. Read why before moving on.
Flashcards
Do this: Say your answer before you flip each card.
Card 1 of 6
0 Know it0 Still learning
Which direction does the sound data go?
On the card: Enter or Space flips. Left and Right move. After revealing, 1 marks Still learning and 2 marks Know it. Tab reaches every control.
Tavi records a spoken book review. What job is the microphone doing?
Input. It captures sound and sends it into the computer.
Speakers play the recorded book review. What job is this?
Output. They communicate a result as sound.
Can a connected external storage drive be a peripheral?
Yes. Peripherals are not limited to input equipment.
What signals do Bluetooth and Wi-Fi use?
Radio signals.
The equipment card does not say whether a connection supports your task. What should you do?
Ask your teacher instead of assuming an adapter will solve it.
How is a port different from the equipment plugged into it?
The port is the socket. A matching plug connects equipment there.
True or false
Do this: Choose True or False and read each explanation.
Self-test
Do this: Answer each question and read the explanation before moving on.
8 questions. One at a time.
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Match
Do this: Choose a word, then choose its meaning.
Connect the ideas
0 / 4 connectedChoose a term, then its meaning. Or drag its grip. Use Tab and Enter or Space; Escape clears.
Classwork
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Homework · 10 points
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Classwork
Worth 10 points.
https://gradebridge-beryl.vercel.app/learn/csc/computer-hardware/devices-and-ports#classwork
Homework
Worth 10 points.
https://gradebridge-beryl.vercel.app/learn/csc/computer-hardware/devices-and-ports#homework
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