Exam 11: Operating Systems

What are two goals of multitasking memory allocation?

____________________ scheduling guarantees a minimum amount of CPU time to a thread if the thread makes an explicit real-time scheduling request when it's created.

Resource allocation in a single-tasking OS involves only two running programs-an application and the OS.

The ____ plays a dual role as a high-level manager and a tireless low-level worker.

A request to execute a service-layer function is called a(n) ____________________.

Name three pieces held within a segment descriptor in an Intel CPU.

A group of processes descended from a common ancestor, including the common ancestor itself, is called a(n) ____________________.

A hypervisor can make the sum of physical resources allocated to all virtual machines appear greater than the underlying physical resources.

Threads in the ____ are idle, pending availability of a CPU.

What is the difference between big endian and little endian?

When considered as a byte sequence, the rightmost byte is called the most significant byte.

​Memory allocation is less complex when the OS supports multitasking.

A set of commands and syntax requirements is called a ____.

____ occurs when memory partitions allocated to a single process or purpose are scattered throughout physical memory.

Multitasking operating systems are not the norm for general-purpose computers.

In Windows thread scheduling, a thread's current priority level is called its "local priority."

The OS maintains a ____ and updates it each time a partition is allocated or freed.

The difference between the first address in physical memory and the address of the first process instruction is called the ____.

In an Intel CPU, a page table entry includes the page's physical memory address if it's loaded into memory.

A computer's physical devices and associated system software are called ____________________.