9781422273074

THE WORLD OF INFORMATION TECHNOLOGY Have you ever wondered how a computer works? If you look inside, you will see the many different pieces that make up a computer. To someone who doesn’t know what each of those bits does, a computer might seem like a magic box. The pieces that make up a computer are known as hardware . Any physical item that you can hold in your hand is a piece of hardware. Hardware is necessary for a computer to even turn on. Computers of the 1950s and 1960s were

massive, and most had the computing power

of what is now contained in a smartphone.

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