The first computers stored data using switches and magnets. Imagine a big box full of tiny lights that could be on or off, like a nightlight you can turn on or off with your finger. That’s how they remembered numbers and letters in the beginning.
Examples
- Magnetic tape is like a record player, it plays back information by reading tiny magnetic dots.
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See also
- How Does a Smartphone Recognize Your Face?
- Why Do We Use Passwords for Security?
- Why Do We Use ‘Barcodes’ on Products and How Do They Work?
- How does the latest generation of brain-computer interfaces function?
- How Did the Internet Begin?
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Categories: Technology · computing,history of technology,data storage