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Technology

Technology
How many terminals does a BJT have?

1
5
4
3

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Technology
Once the active medium is excited, the first photons of light are produced by which physical process?

Blackbody radiation
Synchrotron radiation
Planck's oscillation
Spontaneous emission

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Technology
How can you catch a computer virus?

Shopping online
Sending e-mail messages
Opening e-mail attachments
Using a laptop during the winter

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Technology
A dual-layer DVD is valued because it:

Can hold more data
Creates alternative sound tracks
Uses a second layer to offer a speed increase
Contains a backup of the data stored

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Technology
BAT' extension refers usually to what kind of file?

Audio file
Compressed Archive file
System file
Backup file

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Technology
Hardware devices that are not part of the main computer system and are often added later to the system.

Peripheral
Highlight
Clip art
Execute

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