Design Problem in Digital Design course? - fire alarm system design
well guys here is my question. There are 4 entries for a hazard warning system, which occurs on the malfunction continues. The system works as follows
. If input is turned on nothing happens
. If at least 2 inputs are at a red light (R) fires
. If at least 3 entries) in a siren (the S
. When all is told 4 in the Fire (F)
Now I must write a logical expression that describes the current system, the ratio between output and input.
Wednesday, January 13, 2010
Fire Alarm System Design Design Problem In Digital Design Course?
1 comment:
There are four words, logic, one for each output. Remember ANDS ORs of all combinations of inputs, can cause the issue. For example, would be if the entries were A, B, C, D, alloy wheels, red light emission from any combination of two messages:
A * A * B + C + D + A * B * C + B + C * D * D
where "*" and "and" + "or
Post a Comment