Ooh..., tough one. You could say it is the user. But that is lame. You could also say processor, since no computer could work without one. My first computer worked with a 5¼" floppy drive, no hard drive, 256 kb of RAM and a 4.7 Mhz processor. No mouse either. The graphics were CGA and EGA.
The device that holds all information, and is the key device. Usually your hard drive is the primary device.
It is a vibration dampener. A primary application for the device is to reduce vibrations in pumping systems.
A transformer is the primary device which transforms voltage to a higher or lower voltage. In electronics, capacitors and resistors perform this function.
The primary advantage is that it makes your files smaller. Smaller files do not take up as much room on your storage device as larger files. The primary disadvantage is that you might loose sound quality or fidelity.
You would need an inverter http://en.wikipedia.org/wiki/Inverter_%28electrical%29
This item is normally seen in electrical switch gear (or called "Starter "/ "Motor drive") . This device is to reduce the inrush current during motor starting. Another item "Line reactor" .
No it's the handset that is a primary device
A primary device would be the main system drive. Almost always a hard drive. A primary storage device might just be another way to refer to it.
no prom is primary device
yes
ram is primary storage
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yes
Primary IDE Channel , Master Device Primary IDE Channel , Slave Device Secondary IDE Channel , Master Device Secondary IDE Channel , Slave Device
Any electrical device that emits Light
laser
hard disk drives
Primary Device for storing information on the computer would be a hard drive. Temporary Storage would be RAM (Random Access Memory)