! CPU is the Central Processing Unit ! Like a police officer directing traffic
! Memory Management
! Keeps track of the locations within main memory,
where programs and data are stored
! Getting in line: Queues, Buffers, Spooling
! First-in, first-out sequence of data
! Buffer: the disk area where the programs or documents
wait
! Print jobs are usually ‘spooled’ – place into a buffer,
where they wait in queue to be printe