Memory allocation

Memory is one of the resources that are important in executing a process. Memory consists of word or byte array, each of which has an address. A process can executed if he has been in memory before the CPU fetches the instructions on the address designated by the program counter.

Part of the system in charge of organizing the memory is called memory manager. memory manager to set which parts of memory should be used and which are not in a time, but it also allocates memory manager for memory processes who need it and download dealokasikannya back when these processes are no longer need it.

The problem is what if the memory is no longer enough to accommodate all the processes to be executed? The solution to this problem is to transfer techniques process from memory to the disk and move it back to memory at the time of going executed more or better known as swapping.