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2. Computer Memory 2.2. Byte

2.1. Ones And Zeros

Computers handle all data as bits. A bit is kind of a switch that can be on or off. Bit's value one when the switch is on, and zero when the switch is off.

That's how data in computer's memory is saved, too.

Big bunches of bits - ones and zeros - can present all kind of data that a computer handles: programs, text, images, videos, etc.

Bits in one of the first computers, ENIAC: one bulb per bit.
Bits in a modern computer.

Next: 2.2. Byte

2. Computer Memory

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