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3 years ago

And this also please. help

Computers and Technology

1 answer:

gregori [183]3 years ago

5 0

Answer:

1. Scanner = reading passports.

2. Barcode reader = automatic stock control.

3. pH sensor = monitor soil in a greenhouse.

4. Microphone = voice recognition.

Explanation:

1. Scanner: Copies paper documents and converts the text and pictures into a computer-readable form. Therefore, it can be used for reading passports.

2. Barcode reader: reads labels containing parallel dark and light lines using laser light or LEDs; the width of each line represents a binary code. Therefore, it is used for automatic stock control.

3. pH sensor: detect changes in acidity levels; data is often in analogue form. Thus, it is typically used to monitor soil in a greenhouse.

4. Microphone: allows audio signals to be converted into electric signals; these can be interpreted by a computer after being converted into digital form. Microphones are used for voice recognition.

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3 years ago

And this also please. help​

And this also please. help