Jobs By Abekus

Operating-systems Questions Set 25:

Quiz Mode

What are the two main ways an operating system can detect input?

Solution:

The only state transition that is initiated by the user process itself is

Wake up

Dispatch

Running

Block

Solution:

A device controller is a collection of electronics that can operate a port, a bus, or a device.

bus

driver

host

controller

Solution:

A file contains 1026 bytes. How many bytes of disk space will it consume if the disk block size is 1024 bytes?

1026

1024

2048

4096

Solution:

The initial program that is run when the computer is powered up is called the

boot program

bootloader

initializer

bootstrap program

Solution:

A solution to the problem of indefinite blockage of low-priority processes is

Deadlock prevention

Shared memory

Starvation prevention

None of the above

Solution:

The data blocks of a very large file in the Unix file system are allocated using:

Contiguous allocation

Linked allocation

Indexed allocation

An extension of indexed allocation

Solution:

When does thrashing occur?

When a page fault occurs

When processes on the system frequently access pages not in memory

When processes on the system are in the running state

When processes on the system are in the waiting state

Solution:

A situation where several processes access and manipulate the same data concurrently, and the outcome depends on the particular order in which the access takes place, is called a __________.

data consistency

aging

starvation

race condition

Solution:

Consider an arbitrary set of CPU-bound processes with unequal CPU burst lengths submitted at the same time to a computer system. Which one of the following process scheduling algorithms would minimize the average waiting time in the ready queue?

Shortest remaining time first

Round-robin with time quantum less than the shortest CPU burst

Uniform random

Highest priority first with priority proportional to CPU burst length

Operating-systems Questions Set 25:

What are the two main ways an operating system can detect input?

Solution:

The only state transition that is initiated by the user process itself is

Solution:

A device controller is a collection of electronics that can operate a port, a bus, or a device.

Solution:

A file contains 1026 bytes. How many bytes of disk space will it consume if the disk block size is 1024 bytes?

Solution:

The initial program that is run when the computer is powered up is called the

Solution:

A solution to the problem of indefinite blockage of low-priority processes is

Solution:

The data blocks of a very large file in the Unix file system are allocated using:

Solution:

When does thrashing occur?

Solution:

A situation where several processes access and manipulate the same data concurrently, and the outcome depends on the particular order in which the access takes place, is called a __________.

Solution:

Consider an arbitrary set of CPU-bound processes with unequal CPU burst lengths submitted at the same time to a computer system. Which one of the following process scheduling algorithms would minimize the average waiting time in the ready queue?

Solution:

Related Question Sets:

Related Topics: