COMPUTER SCIENCE 005 OVERVIEW (41817) Other Factors Realtime system Response time is crucial given the nature of the application. Response time Time delay between receiving and producing a stimulus and response. Device Driver Small program that knows the way a device expects to receivedeliver the information. Memory Management Operating systems must employ techniques to: Track wherehow a program resides in memory. Convert logical addresses into actual addresses. Logical address Reference to a stored value relative to the program making the reference. Physical address Actual address in main memory. Single Contiguous Memory Management 2 programs in memory: Operating system Application system.