Exam 11: Operating Systems

In ____, a thread can be removed involuntarily from the running state.

Each memory page in virtual memory management is called a ____.

Noncontiguous memory allocation is more flexible than contiguous memory allocation, but flexibility comes at a price.

The resources consumed by resource allocation procedures are sometimes referred to as ____.

An Intel CPU maintains a ____ containing descriptors for all memory segments.

The process of determining the physical memory address that corresponds to a memory reference is called ____.

The act of giving control of a CPU to a ready thread is called engaging.

​OS ____________________ functions ensure that overall system objectives are achieved efficiently and effectively.

A blocked thread is waiting for an event to occur, such as allocation of a requested resource or correction of an error condition.

A reference to a page held in secondary storage is called a(n) ____________________.

A process or program that divides itself into multiple threads is said to be ____.

After ____________________, all free partitions form a contiguous block in upper memory.

​If all page frames are allocated, a page currently in memory, called the ____________________, must be written to the swap space before the reference page is loaded into a page frame.

When memory allocation is ____, it means all portions of the program and OS are loaded into sequential locations in memory.

Page location in the swap space can be computed by dividing the page number by the page size.

A ____ can execute instructions to process a single transaction, retrieve and store data from an I/O device, or retrieve and analyze one set of process variables.

A(n) ____________________ is a unit of executing software that's managed independently by the OS and can request and receive hardware resources and OS services.

List the three states of an active thread.

Contiguous program loading, coupled with fixed-size memory partitions, usually results in efficient use of memory space.

The ____ is the OS portion that manages resources and interacts directly with computer hardware.