Operating System - 8

LIST OF ATTEMPTED QUESTIONS AND ANSWERS

Multiple Choice Single Answer
Question
Each object is associated with the data of type class with which they are created. A class is thus a collection of objects of
Correct Answer
Similar type
Your Answer
Similar type

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

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

Multiple Choice Multiple Answer
Question
In windows NT, naming of objects is of two types :-
Correct Answer
Permanent name , Temporary name
Your Answer
Permanent name , Object-primary name

Match The Following
Question
Correct Answer
Your Answer
Class Shape
Triangle, rectangle, circle, ellipse
Triangle, rectangle, circle, ellipse
Class Vehicle
Scooter, car, truck, tractor
Scooter, car, truck, tractor
Class Animal
Cat, dog, cow, tiger
Cat, dog, cow, tiger
Class Color
Red, yellow, blue, green
Red, yellow, blue, green

Multiple Choice Multiple Answer
Question
Computer system consists of :-
Correct Answer
CPU , Multiple device controller
Your Answer
CPU , Multiple device controller

Multiple Choice Single Answer
Question
In JAVA , the derived class is known as
Correct Answer
Subclass
Your Answer
Subclass

Select The Blank
Question
To make as interval call, the CALL instruction must contain ________.
Correct Answer
Selector
Your Answer
Address

True/False
Question
In Lock-key mechanism, users are allowed to examine or modify the list of keys or locks directly.
Correct Answer
False
Your Answer
True

Multiple Choice Single Answer
Question
A major problem with the Priority scheduling algorithm is :-
Correct Answer
Starvation
Your Answer
CPU time

Select The Blank
Question
________ of an object remains unchanged even though its state and properties change.
Correct Answer
Identity
Your Answer
Identity

Multiple Choice Single Answer
Question
The process by which objects of one class acquire properties of objects of other class is called
Correct Answer
Inheritance
Your Answer
Polymorphism

Select The Blank
Question
________allows us to define abstract operations on abstract data.
Correct Answer
Data abstraction
Your Answer
Data abstraction

True/False
Question
An asynchronous call returns immediately, without waiting for the I/O to complete.
Correct Answer
True
Your Answer
True

Multiple Choice Multiple Answer
Question
locate the storage devices from the following :-
Correct Answer
Disks , Tapes
Your Answer
Disks , Tapes

Multiple Choice Single Answer
Question
Mango, apple and orange are members of class
Correct Answer
Fruit
Your Answer
Fruit

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

Select The Blank
Question
Web servers use the ________ protocol to communicate with web browsers.
Correct Answer
http
Your Answer
http

Select The Blank
Question
________ is the ability to handle error conditions, including the ability of the operating system to protect itself and its users from defective or malicious software.
Correct Answer
Reliability
Your Answer
Security

Multiple Choice Multiple Answer
Question
One-to-one model is supported by following systems :-
Correct Answer
Windows NT , OS/2
Your Answer
Solaris , Windows NT

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

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

Multiple Choice Single Answer
Question
In Object Oriented technology following expression is appropriate
Correct Answer
object=data+menthods
Your Answer
method= data + object

Multiple Choice Single Answer
Question
If a class fruit has object mango, the relationship is expressed as :
Correct Answer
Fruit mango
Your Answer
Fruit mango

Multiple Choice Multiple Answer
Question
Find out the basic I/O hardware elements from the following :-
Correct Answer
Ports , Buses , Device controllers
Your Answer
Ports , Buses , Device controllers

Multiple Choice Single Answer
Question
Model of protection can be viewed abstractly as a matrix which is known as :-
Correct Answer
Access matrix
Your Answer
Access matrix

Multiple Choice Single Answer
Question
The 4.3BSD operating system is the version of :-
Correct Answer
UNIX
Your Answer
UNIX

True/False
Question
When application issues a blocking I/O system call, the request is placed on the queue for that device.
Correct Answer
True
Your Answer
False

Select The Blank
Question
________ is defined as a cooperation between object codes produced by different software vendors & written in different programming languages.
Correct Answer
Interoperability
Your Answer
Interoperability

True/False
Question
Linux is a multi-user, multitasking system with a full set of UNIX-compatible tools.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
DMA stands for :-
Correct Answer
Direct Memory Access
Your Answer
Direct Memory Access

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

Multiple Choice Multiple Answer
Question
Find out the human-interface devices :-
Correct Answer
Screen , Keyboard , Mouse
Your Answer
Screen , Keyboard , Mouse

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
Independent

Multiple Choice Multiple Answer
Question
Liner address is divided into fields like :-
Correct Answer
Dir , Page , Offset
Your Answer
Dir , Page , File

True/False
Question
An I/O bound process spend more of its time doing I/O than it spends doing computations.
Correct Answer
True
Your Answer
False

Multiple Choice Single Answer
Question
In some systems, if a process terminates, then all its children must also be terminated. This phenomenon referred to as :-
Correct Answer
Cascading termination
Your Answer
Removing all

Multiple Choice Multiple Answer
Question
find out the services provided by kernel related to I/O :
Correct Answer
I/O Scheduling , Buffering , Spooling
Your Answer
I/O Scheduling , Buffering , I/o subsystem

True/False
Question
The language Classic-Ada is not OOPL
Correct Answer
False
Your Answer
True

Select The Blank
Question
In Linux, the allocator uses a ________ algorithm to keep track of available physical pages.
Correct Answer
Buddy-heap
Your Answer
Sort-first

Select The Blank
Question
________ describes segments local to each program, including its code, data, stack etc.
Correct Answer
LDT
Your Answer
LDT

True/False
Question
A file in NTFS is a simple byte stream as it is in MS-DOS or UNIX .
Correct Answer
False
Your Answer
False

True/False
Question
A copy of inode is kept in main memory while a file is open.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
The separation of policy and mechanism is important for which purpose?
Correct Answer
Flexibility
Your Answer
Costing

Select The Blank
Question
A ________ is a group of NT server machines that share a common security policy and user databases.
Correct Answer
Domain
Your Answer
Domain

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
Dog inherits Animal's functions and data

True/False
Question
Keyboard is a sharable device.
Correct Answer
True
Your Answer
False