CPU Utilization

Which one of the following statements is FALSE?

A Hard disk with a transfer rate of $$10Mbytes/second$$ is constantly transferring data to memory using $$DMA.$$ The processor runs at $$600MHz$$ and takes $$300$$ and $$900$$ cloc...

A uni-processor computer system only has two processes, both of which alternate $$10$$ $$ms$$ $$CPU$$ bursts with $$90$$ $$ms$$ $${\rm I}/O$$ bursts. Both the processes were create...

Which combination of the following features will suffice to characterize an $$OS$$ as a multi-programmed $$OS?$$ $$(a).$$ More than one program may be loaded into main memory at th...