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# Solving boolean algebra task - HELP

#### Zeljo

Oct 8, 2015
3
TASK:You have to design boolean circuit (to draw it) which will allow driver to start car engine(car have only two seats).You can start engine and go if:
1. Key must be in place
2. Driver must be on seat
3. He have to be tied
4. The seet of one passenger is empty
5. If seat is full passenger must be tied
You have to create table(fill it with 0 or 1), to create function according to table and minimize function.
Finnaly you have to draw all circuits.

(Only hint j have is taht you will have two circuits one will have 4 input values and another will have 2 input values)
Please help

Last edited by a moderator:

#### Bluejets

Oct 5, 2014
5,879
Fairly basic "and/or" function, just wondering how much study you have done.

#### Zeljo

Oct 8, 2015
3
Fairly basic "and/or" function, just wondering how much study you have done.
Can you give me link for some pdf book

#### Martaine2005

May 12, 2015
4,288
Hi Zeljo,
That's really easy.
Ask @Arouse1973

Martin

#### Bluejets

Oct 5, 2014
5,879
It's easy for me also but then the op would learn nothing.

#### Martaine2005

May 12, 2015
4,288
It's easy for me also but then the op would learn nothing.
I didn't mean it was easy for me!
I have no idea either. But as the AD says, I know a man who does.

Martin

#### Bluejets

Oct 5, 2014
5,879
I think you missed my point and the link I provided would give the op the oportunity to find the answer.

May 12, 2015
4,288
OK

#### dorke

Jun 20, 2015
2,342
Apart from the usual table method etc.
You can solve it "verbally" :

conditions 1 to 4:
"Key" AND "Driver" AND "driver-Tied" AND "pass-empty"

condition 5:
"pass-full" AND "pass-tied"

If at least one of the above 2 sentences is satisfied the total condition is satisfied.
That means "OR" between them.
take note that "pass_full" is the negation of "pass-empty"

Combine all in a single sentence and you have the solution.

#### Zeljo

Oct 8, 2015
3
Thanks guys youre the best

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