Quiz submission record for quiz2-1-1 at Mon Jun 28 10:49:14 2004:

Your Answer for Question 1:
a is

a successful call to malloc will allocate a header and the free spacd requested in memeory, thus reduce the number of free blocks.

Your Answer for Question 2:
a and d are true.

a call to free frees the space pointed to by something that is originally obtained by al call to malloc or calloc.

Your Answer for Question 3:
Java equivalent to malloc in c is new

there is no explicit free operation in java, it deallocate storage at some point where the storage is no longer needed.

C doesn't have automatic memory allocation/deallocation because it is in principle imppossible to determine automatically a particular piece of storage is no longer needed and may be recycled for future used.it is also impossible to move dynamically-allocated storage regions around "hehind the programmer's back" to make room.

Your Answer for Question 4:
struct blk {
 void *contents; /*what the block contains */
 struct previous; /* the previous block */
 struct next;    /* the next block */
};

can't use reference count method. this is a circular structure with no roots.

yes, mark and sweep method will be fine

Your Answer for Question 5:
the program code in examples are sometimes hard to understand.  do we need to get a good understanding of them?


Your unique submission ID is quiz2-1-1-cs61c-bf-1088444954-616.