Q. Explain the colour code of a resistor that is: "Brown, Orange, Red, Silver".

The answer to this, complete with diagrams and charts can be found at:

http://www.autoshop101.com/

then:  Technical articles (on the far left hand side)

then: Toyota Automotive Technical Training series

then: 03 Electrical Components (3rd in list)

then: Types of resistors, pg. 3

Sorry I can not copy this article but trust you can folllow the links and think you will find your question about colour coding resistors answered.

Thanks!