OS

 

Circular wait 

no preemption

prenemtive processes- those which can be paused 

non preemptive - burning cd is an exapmle it will curropt if stopped or paused in between or the system stops while the process for anyy reason 

hold and wait

assuming these both are non preemptive 

 

mutual exclusion 

this happemns due to critical as it can be accessed once at a time by the process