Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
how can a user program disturb the normal operation of the systema issuing illegal io operationb by accessing memory locations within the os itselfc
what is the benefits os co-operating processinformation sharingcomputation speeds upmodularityconvenience
what is co-operative processa process is co-operating if it can influence or be affected by the other processes implementing in the system any
what is independent processa process is independent it cannot influence or be affected by the other processes implementing in the system any process
what is meant by context switchswitching the cpu to another process needs saving the state of the old process and loading the saved state for the
what are the use of job queues ready queues and device queuesas a process enters a system they are put in to a job queue these queues having of all
what is schedulera process migrates among the various scheduling queues throughout its life time the os must choose processes from these queues in
what is process control blockevery process is represented in the os by a process control block it has many pieces of information associated with an
what is a processa process is a program in implementation it is an active entity and it contains the process stack having temporary data and the data
what do you mean by system callssystem calls give the interface among a process and the operating system when a system call is implemented it is
what are privileged instructionssome of the machine instructions that may cause harm to a system are designated as privileged instructions the
what is real time systema real time system has well explained fixed time constraints processing must be done within the explained constraints or the
differentiate tightly coupled systems and loosely coupled systemsloosely coupled systems- every processor has its own local memory every
what is graceful degradationin multiprocessor systems failure of single processor will not halt the system but only slow it down by sharing the work
what are batch systemsbatch systems are quite appropriate for implementing large jobs that need little interaction the user can submit jobs and
what is the kernela more common explanation is that the os is the one program running at all times on the computer usually known as the kernel
what is an operating systeman operating system is a program that manages the computer hardware it acts as an intermediate among users of a computer
explain the request or response interfacethe requestresponse interface is ideal for a message based client-server interaction by modeling components
explain the communications of request or response interfacethe inter-application communication must provide four specific interface to the
explain the requestresponse interface many issues are involved in providing a procedural interface for client functions to interact with server
define server processing with queuesthe efficient server processing of client request is essential for optimized client- server applications this
explain processing predefined application protocolsimplementing and swift processing of predefined application protocols is sure to improve
define the client - server communications environmenttodays client - server communications environment offers programmers great flexibility for
define middleware to ease the low-level protocol burdenfortunately many products are available today to ease the low-level protocol burden on the
explain the network protocolsthere are a wide variety of network protocols to choose from traditionally client - server developers were required to