Exam 8: Operating System Support

Privileged instructions are certain instructions that are designated special and can be executed only by the monitor.

Facilities and services provided by the OS that assist the programmer in creating programs are in the form of _________ programs that are not actually part of the OS but are accessible through the OS.

Managers are users of domains that must observe the access permissions of the individual sections and / or pages that make up that domain.

The technique where memory is expanded to hold three,four,or more programs and switch among all of them is __________,(or multitasking).

The OS maintains a __________ for each process that shows the frame location for each page of the process.

__________ allows the programmer to view memory as consisting of multiple address spaces or segments.

The x86 includes hardware for both segmentation and paging.

The _________ is a program that manages the computer's resources,provides services for programmers,and schedules the execution of other programs.

A _________ is a collection of memory regions.

In an _________ system the user / programmer interacts directly with the computer,usually through a keyboard / display terminal to request the execution of a job or to perform a transaction.

With a batch operating system the user does not have direct access to the processor.

The _________ defines the repertoire of machine language instructions that a computer can follow.

Swapping is an I / O operation.

The ________ scheduler is also known as the dispatcher.

The _________ defines the system call interface to the operating system and the hardware resources and services available in a system through the user instruction set architecture.

In a _________ system multiple users simultaneously access the system through terminals,with the OS interleaving the execution of each user program in a short burst or quantum of computation.

The five defined states for a process are: new,ready,waiting,halted,and ________.

Virtual memory schemes make use of a special cache called a ________ for page table entries.

A _________ system groups the user's program with programs for other users and is submitted by a computer operator,with results being printed out for the user upon completion of the program.

The _________ scheduler determines which programs are admitted to the system for processing.