1) YEPP ALL THREADS SHARE THE SAME ADDRESS SPACE .
BUT DONT KNOW ABOUT THE CONCEPT OF LOGICAL AND PHYSICAL HERE. LOGICAL MEANS EVERYTIME IT IS RELOCATABLE ADDRESS MEANS STARTING FROM 0 AND EVERY THREAD HAS ITS STACK SO ON THIS CONCLUSION I AM SAYING HAVING DIFFERENT LOGICAL ADDRESS ( all my views not sure ). FOR PHYSICAL ALL THREADS OF PROCESS IN SAME PROCESS SO SAME PHYSICAL ADDRESS .
IF I AM WRONG ON THE CONCEPT OF LOGICAL CORRECT ME :)
2) YES THEY SHARE ADDRESS SPACE SO.......