Year3 Revision

What is this?

• Input device

• Output device

• Storage device

What is this?

• Hard disk

• CD

• Flash drive

What is this?

• Hard disk

• Floppy disk

• Flash drive

What is the brain of computer?

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Choose storage devices.

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Choose the application software.

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This firewall is

• external firewall

• internal firewall

• personal firewall

Which one is processing device?

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Which one is output device?

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Which one is input device?

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