What is the segment size used to store 21 KB of data when using the buddy system? O 21 KB 42 KB O24 KB O 32 KB Which scheme is used to identify when the last reference to an object has been deleted and the space can be reallocated? Raw partitions External fragmentation O Garbage collection Hard affinity Permission bits What is the definition of "transfer rate"? The rate at which memory is allocated from physical to logical memory The rate at which data flows between the physical memory and the operating system The rate at which data flows between the internal drive and the external drive The rate at which data flows between the drive and the computer What happens to the latency when the speed, rotations per minute (RPM), increases? It multiplies. O It decreases. O It increases. It overrides. Which key component of a hard disk is flat, circular, and stores the data magnetically? Spindle O Head O Platter Cylinder Where is swap space implemented on a system? On magnetic tape O On an external hard disk drive O On physical memory o On separate disk partitions