1st Quarter-Lesson 5-Week6

Operating System is the most important program that runs on a computer.

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Multi-user allows two or more users to run programs at the same time.

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Keyboard is the main part of a microcomputer, sometimes called the chassis.

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Motherboard is the main circuit board of a computer. It contains all the circuits and components that run the computer.

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CPU stands for Central Processing Universe.

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Random Access Memory in s non-volatile, it holds data even when the power is ON or OFF.

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Read Only Memory is a volatile, it holds data only when the power is on.

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Expansion Bus is a data pathway between several hardware components inside or outside a computer. It does not only connect the parts of CPU to each other, but also links the CPU with other important hardware.

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Hard Disk Drive is a magnetic storage device that in installed inside the computer.

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Optical Drive is a storage device that uses lasers to read data on the optical media.

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