Exam 11: Operating Systems

____ uses memory address operands that refer to actual physical memory locations.

A(n) ____________________ is generated at regular intervals of between several dozen and several thousand CPU cycles to give the scheduler an opportunity to suspend the currently executing thread.

Virtual memory management divides a program into partitions called ____________________.

A programmer can explicitly include the process offset in any memory address operands when writing or compiling a program.

A ____ is an OS that enables dividing a single physical computer or cluster into multiple virtual machines.

In explicit priority scheduling, the scheduler always dispatches the ready thread that has been waiting the longest.

Through the ____ layer, a user or system administrator can run application and OS utility programs and manage system resources, such as files, folders, and I/O devices.

____ is the assignment of specific memory addresses to system software, application programs, and data.

Operating systems are organized internally into layers.

In ____ memory allocation, each process partition has its own offset value.

The only portion of a process that must be in memory at any point during execution is the next instruction to be fetched.

____________________ refers to protecting memory allocated to one program from unauthorized access by another program.

A secondary storage region, called the ____, is reserved for the task of storing pages not held in memory.

____________________ memory allocation uses small fixed-size partitions, usually no larger than 64 KB.

OS support for running multiple programs simultaneously is called ____________________.