How much memory will be allocated to this union:union a{char b;int no:2; (bit field)}

Interview Candidate
May 24th, 2005
3
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non-name

Sep 12th, 2005

3 bit

asadullah ansari

Dec 19th, 2005

Size of a union is the size of one of the data types which resides in union, whose is the largest between them so it's size is ONE BYTE.

bndeshmukh1
Profile Answers by bndeshmukh1

Jan 21st, 2006

hi, size of a union is size of largest data type among its members ...so size of union a is 4 bytes.Even if int no is type bt-field the sizeof union will remain 4 bytes as sizeof(int) = 4.now int no:2 means value for "no" wil be 2-bit wide i.e. either 00->0, 01->1 , 10->2 or 11->3 that is all--bhalchandra