When I want to mute a device, which symbol should I choose?

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• 
• 
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What is this?

• This is the keyboard.

• This is a Pen drive

• This is the monitor

• This is a computer

What is this a picture of?

• Cable

• Switch

• Wireless router

• Phone Mast

Name this storage device

• Flash drive

• Hard disk

• Memory cards

• Compact disc

Machines which use IPO cycle

• Fridge

• Eating

• Microwave

• None of these

What is Computer network

• Two or more computer connected together to share information
• Internet
• Biggest network
• Google chrome

Is bing web browser

• Search Engine

• ISP

• True

Is this device Input or Output?

Printer

• Input

• Output

Is this device Input or Output?
Projector

• Input
• Output

Is this device Input or Output?
Speaker

• Input
• Output