______________is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the primary memory.
Operating system
Memory manager
Database administrator
RAM
Correct Answer :
B. Memory manager
Related Questions
You can move a window to a different position on your screen by dragging it by its
Tail
Move handle
Status bar
Title bar
____________approach can place the data directly into the memory or take the data directly from the memory without direct intervention from the processor.
DMA
Daisy chain arbitration
polling
none of these
In ________________________ each node periodically sends a message to the time server.
Passive Time Server Centralized Algorithm
Active Time Server Centralized Algorithm
Global Averaging Distributed Algorithms
Localized Averaging Distributed Algorithms
You can use print manage window
To cancel the print job
To check status of files in the print queue
To interrupt printing
All of the above
Which components appear in the initial windows start up display?
Dialog box
Task bar
Start menu
All of the above
Most accurate global time is based on oscillations of the ______________
Cesium-130 atom
Cesium-133 atom
Cesium-136 atom
Cesium-139 atom
A process is already split into pieces, called________________.
Tasks
Program
Processors
Routines
DSM stands for______________
Direct shared memory
Direct system memory
Distributed shared memory
Distributed system memory
Which command is used to display the contents of the text file of DOS?
Copy
Copy con
Dir
Type
_______________occurs when two or more execution flows are able to run simultaneously.
Deadlock
Concurrency
race condition
interrupt
In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.
No buffering
Single message buffering
Unbounded-capacity buffer
Finite bound buffer
______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.
Livelock
Preemption
Semaphore
either or
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.
The two sub systems of user mode layer of windows 2000 are _________ and __________
excel, executive
environment, integral
orbit , kernel
Kernel , executive
Transparent RPC mechanism refers to :
Existance of multuple computer visible and a provide a single system image to its users.
It runs the program transparently.
It is a technique to shift the program to other computer.
It is technique in which local procedures and remote procedures are indistinguishable to programmers.
A process control block contains varies attributes required by _____________ to control a process.
RAM
virtual memory
BIOS
Operating System
Bootstrapping is also known as ______
cold-hot boot
hot boot
hot strap
cold boot
In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.
availability
confidentiality
integrity
authenticity
__________ deals with when a modified page should be written out to secondary memory.
Cleaning policy
Fetch policy
Frame locking
None
______________ are popular way to improve application through parallelism.
Processes
Threads
Context switching
none of these
Which of the following is drop down list?
Combo box
List
Text area
None
Creation of a semaphore set is done using the _______system call.
semget()
semsget()
mknod()
sempget()
______________ refers to the technology in which some space in hard disk is used as an extension of main memory.
Cache memory
Paging
Virtual memory
Associative memory
When resources have multiple instances ________ is used for deadlock Avoidance.
Bankers algorithm
Resource Allocation Graph
semaphores
all of these
In___________, the requesting device or devices assert the signal bus_request.
Priority encoded arbitration
Distributed arbitration by self-selection
Priority arbitration
Daisy chain arbitration
A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
name
attribute
identifiers
addresses
Pick the wrong statement from the following.
UNIX systems originally came with a command interpreter called the Bourne Shell.
The cat command takes any characters from standard input, and then echoes them to standard output.
A pipe is a means of taking the output of one command and directing it as another command.
The manual entry is called a man page, even though it is often more than one page long.
In layered approach each layer uses the functions and services of ------------------
kernel
lower-level layers
higher-level layers
all of these
A _____________is a collection of processors that do not share memory, peripheral devices,or a clock.
Computer system
distributed system
network
None of the above
A two-byte integer called ____________is interpreted as an index into an array of inodes in a fixed, known location on disk.
an inode
an inumber
an imap
an imark