Banker's algorithm

Question

Which option is correct?

Comments

Now Availability  = (1 1 1 1 0) + (0 0 1 1 1) = (1 1 2 2 1)

With this we can only satisfy B

How can you satisfy B ??

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😱Oouch thats a terrible mistake lol.

Thanks @kumar.dilip!

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strange I think ans should be 1

Answer 1

	Allocated	Maximum	Need
PA	10211	11212	01001
PB	20110	22210	02100
PC	11010	21310	10300
PD	11110	11221	00111

AND Available $00X11$

Lets take first X=1 

    Then $00111$ now using this you can perform PD, Then allocated Resources to PD will be free....So.

New Avail :: $11110+00111 = 11221$

Now using this free resources you can perform PA..... Then allocated Resources to PA will be free.. So 

New Avail:: $10211+11221 = 21432$

Allocate this avail resources to PC.

After execution of PC avail resources are:: $11010+ 21432=32442$

then allot this to PB.

So, value of should be 1. 

@Mizuki Execution processes is -> PD,PA,PC,PB

Comments

Yeah man, you're right, that was a careless mistake from my end.