Some clarifications regarding Hw1.
> 
> 1.4  Are we supposed to write a bunch of statements like
> IF blahh
> AND blah
> AND blah
> THEN blah?

  Yes.

> 	If so, if we need to use an OR, can we use parentheis?  (a or b)

 Yes, you may.

> 	Also, as I understand the alarm system, there is no way to get out
> of the house.  If you enter the code, it is in preset mode, and for it to
> stay in present mode, no doors or windows can be open.  So, you can't

 The statement only means you can't set it unless winodws are closed.
 If its set, nothing prevents you from opening the door and going out! 
 Only, the alarm will sound.

  Anyway this is irrelevant to the questions being asked.

> 
> 1.7 Do you want us to draw switching networks or use transistors?

 Draw switching networks, as shown in the text. No transistors.

> 
> 1.12 When it says "for each input combination, describe breifly how the
> network operates" do you want something like "the top switch is open, the

 No. Say something like "if in0 is true , and in1 is false ..."
 do this for all possible configurations of in0 and in1.


> 
> 1.19 As I understand it, we just need to list all the possible inputs and
> then list the corresponding output.  Am I right?  For example:
> in1  	in2	out
> 00	00	000
> 00	01	001
> ..	.. 	...


   Yes. but it would be better to have 3 separate columns for the 3 output
   bits.


 -Nitin