Operating System - 14

LIST OF ATTEMPTED QUESTIONS AND ANSWERS

Multiple Choice Multiple Answer
Question
The Linux system is composed of three main bodies of code, in line with most traditional UNIX implementations. Which are :-
Correct Answer
Kernel , System libraries , System utilities
Your Answer
System libraries , Programs , Kernel

Multiple Choice Single Answer
Question
The class bird should have object
Correct Answer
Egale
Your Answer
Egale

Multiple Choice Single Answer
Question
Objects are essentially :-
Correct Answer
Abstract data type
Your Answer
Abstract data type

True/False
Question
Banker's algorithm is a deadlock-avoidance algorithm.
Correct Answer
True
Your Answer
True

True/False
Question
Aging algorithm is based on LRU.
Correct Answer
True
Your Answer
False

Select The Blank
Question
MULTICS uses a ________ in addition to file access for protection.
Correct Answer
Ring structure
Your Answer
Ring structure

True/False
Question
A virus is a fragment of code embedded in a legitimate program
Correct Answer
True
Your Answer
True

Multiple Choice Multiple Answer
Question
The basic hardware elements involved in I/O are :-
Correct Answer
Buses , Device controllers , Device
Your Answer
Keyboard , Buses , Device controllers

True/False
Question
Main Memory is a volatile storage device that loses its contents when power is turned off.
Correct Answer
True
Your Answer
True

Select The Blank
Question
In queuing diagram , each rectangular box represents a ________.
Correct Answer
Queue
Your Answer
Queue

True/False
Question
Whenever a trap or interrupt occurs, the hardware switches from user mode to monitor mode.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
As process enter the system, they are put into :-
Correct Answer
Job queue
Your Answer
Job queue

Select The Blank
Question
During execution, ________ register holds the sector for the data segment.
Correct Answer
DS
Your Answer
CS

Multiple Choice Multiple Answer
Question
The role of the operating system in computer I/O is to :-
Correct Answer
Manage I/O operation and devices , Control I/O operation and devices
Your Answer
Manage I/O operation and devices , Control I/O operation and devices

Multiple Choice Multiple Answer
Question
What are the forms of malicious access?
Correct Answer
Unauthorized reading of data , Unauthorized modification of data , Unauthorized destruction of data
Your Answer
Unauthorized reading of data , Unauthorized modification of data , Unauthorized destruction of data

Select The Blank
Question
A ________ is a computer or router that sits between the trusted and untrusted systems.
Correct Answer
Firewall
Your Answer
Firewall

Multiple Choice Multiple Answer
Question
Dispatcher functions involves the following :-
Correct Answer
Switching context , Switching to user mode
Your Answer
Switching context , Switching to user mode

Multiple Choice Multiple Answer
Question
Many-to-may model is supported by following operating systems :-
Correct Answer
Solaris , IRIX , Digital UNIX
Your Answer
IRIX , Solaris

Select The Blank
Question
A ________ controller is built into each disk drive.
Correct Answer
Disk
Your Answer
Disk

Match The Following
Question
Correct Answer
Your Answer
Parent process
Child process
Child process
Foreground processes
Interactive processes
Interactive processes
Background processes
Batch processes
Batch processes
Light-Weight processes
Thread
Thread

Select The Blank
Question
A class may be thought of as 'data-type' and object as ________ of that data-type.
Correct Answer
Variable
Your Answer
Variable

True/False
Question
In Windows NT, interrupt object binds an interrupt service routine to an interrupt source.
Correct Answer
True
Your Answer
True

True/False
Question
In Windows NT, each process has one or more threads, which are the units of execution dispatched by the kernel.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
If Dog derives from Mammal, and Mammal derives from Animal, then -
Correct Answer
Dog inherits Animal's functions and data
Your Answer
Mammal inherits Animal's functions and data

Multiple Choice Single Answer
Question
If the process is waiting to be assigned to CPU then it is said to be in :-
Correct Answer
Ready state
Your Answer
Ready state

Multiple Choice Multiple Answer
Question
What are the components to memory management under Linux?
Correct Answer
Physical memory manager , Virtual memory manager
Your Answer
Physical memory manager , Virtual memory manager

Multiple Choice Multiple Answer
Question
The Moriss Internet Worm was made up of which of the two programs?
Correct Answer
Grappling hook program , Main program
Your Answer
Target worm program , Grappling hook program

Select The Blank
Question
The ________ controller is the controller at the computer end of the bus.
Correct Answer
Host
Your Answer
Disk

True/False
Question
In Windows NT, kernel is object-oriented.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
C++ is basically a procedural language having extension of
Correct Answer
Object Oriented technology
Your Answer
Graphic user interface

Select The Blank
Question
In queuing diagram, the arrow indicates the flow of ________ in the system.
Correct Answer
Processes
Your Answer
Operation

True/False
Question
Whenever the operating system gains control of the computer, it is in monitor mode.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
C++ is also named as
Correct Answer
C with classes
Your Answer
Visual C++

Multiple Choice Single Answer
Question
The number of processes that are completed per time unit is called as:-
Correct Answer
Throughput of system
Your Answer
Efficiency of system

Select The Blank
Question
A process is ________ if it can affect or be affected by the other processes executing in the system.
Correct Answer
Cooperating
Your Answer
Competing

Multiple Choice Single Answer
Question
Collection of similar datatypes is called as
Correct Answer
Array
Your Answer
Array

Match The Following
Question
Correct Answer
Your Answer
Random-access devices
CD-ROM
CD-ROM
Character devices.
Terminal
Terminal
Block devices
Disk
Disk
Sequential devices
Modem
Modem

Multiple Choice Multiple Answer
Question
The device number consists of which two parts in UNIX?
Correct Answer
Major device number , Minor device number
Your Answer
Device-id , Device-name

Multiple Choice Single Answer
Question
The pure Object Oriented language is
Correct Answer
Java
Your Answer
C

Multiple Choice Single Answer
Question
The concept of OOPS was first introduced in
Correct Answer
Simula Language
Your Answer
C language

Multiple Choice Multiple Answer
Question
Most CPUs have two interrupt request lines. Which are they?
Correct Answer
Maskable , Non maskable
Your Answer
Maskable , Non maskable

Multiple Choice Multiple Answer
Question
Different multithreading models available are :-
Correct Answer
Many-to-one model , One-to-one model , Many-to-many model
Your Answer
Many-to-one model , One-to-one model , Many-to-many model

Select The Blank
Question
The ________ of a process is represented in the PCB of a process.
Correct Answer
Context
Your Answer
Block