A.multiple partitions that share the processing power of a set of physical processors where a partition can be assigned as little as 1/2 of a physical processor's resource. 
B.multiple partitions that share the processing power of a set of physical processors where a partition can be assigned as little as 1/100th of a physical processor's resource. 
C.an advanced virtualization feature of POWER5 systems with Linux (SUSE and Red Hat for POWER) and AIX 5L Version 5.3 that allows multiple partitions to share the processing power of a set of physical processors. 
D.an advanced virtualization feature of POWER5 systems with Linux (SUSE and Red Hat for POWER) and AIX 5L Version 5.2 or 5.3 that allows multiple partitions to share the processing power of a set of physical processors.

A.Dedicated and never Virtual processors are used in Virtual IO Servers partitions
B.Dedicated processors are whole processors that are assigned to a single partition
C.Dedicated processors are fractions of whole processors that are dedicated to a single  partition
D.Dedicated and Virtual processors are interchangeable concepts, both are whole physical  processors used in virtual and dedicated LPARs