Two clocks are said to be synchronized at a particular instance of time if the difference in time values of the two clocks is less than some specified constant. The difference in time values of two clocks is called ___________.
Interrupt
Clock Frequency
Clock Ticks
Clock Skew
Correct Answer :
D. Clock Skew
Related Questions
The two sub systems of user mode layer of windows 2000 are _________ and __________
excel, executive
environment, integral
orbit , kernel
Kernel , executive
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.
All of the following are TRUE regarding virtual memory EXCEPT
Any amount of RAM can be allocated to virtual memory
The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
This temporary storage is called the swap file or page file
Virtual memory is the physical space o the hard drive
The primary purpose of an operating system is:
To allow people to use the computer,
To make the most efficient use of the computer hardware
To make computers easier to use
To keep systems programmers employed
The operating system is the most common type of ___ Software
System
Application
Word processing software
Communication
A small part of taskbar that has icons of background running applications is
Start button
Quick launch
Task bar
System tray
IDL stands for_____________________
Integrated Data library
Isolated Data Library
Interface Data Language
Interface Definition Language
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
A sequence of instructions telling the computer what to do is called a_____________
program
language
translator
package
Which of the following is not essential to shut down your computer?
XCOPY
Edit
Sys
None of the above
______________ selects a process from among the ready processes to execute on the CPU.
CPU Scheduler
Loader
Dispatcher
Compiler
PVM stands for
Parallel Virtual Machine
Parallel Virtual Message
Process Virtual Machine
Process Virtual Monitor
In layered approach each layer uses the functions and services of ------------------
kernel
lower-level layers
higher-level layers
all of these
What is Dr. Watson?
IT Expert
Diagnosis tool
Surgeon
None
Whenever you move a directory from one location to another
The directory is moved the source file is not moved
All the subdirectory inside that directory are moved
All files inside the directory are moved
Both b and c
What is dispatch latency?
The time taken by the dispatcher to stop one process and start another
The whole time taken by all processor
The time taken by the processor to write a file into disk
None of Above
A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
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
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
Which is the layer of a computer system between the hardware and the user program
Operating system
Operating environment
System environment
None
The _________takes any characters from standard input, and then echoes them to standard output.
kill character
cat command
cate command
control command
A process control block contains varies attributes required by _____________ to control a process.
RAM
virtual memory
BIOS
Operating System
A process is ____________________
A program in Execution.
An asynchronous activity.
The 'dispatchable' unit.
All A, B, C
Which of the following does not occur during the power-on-self-test (POST)?
The scandisk utility begins to run
The video card and video memory are tested
The BIOS identification process occurs
Memory chip are checked to ensure that they are working properly
Identify the distributed computing model from the following statement. In this model, the user's processes need not be migrated to the server machines for getting the work done by those machines.
Minicomputer model
Workstation model
Workstation-Server model
Processor pool model
The ___ contains commands associated with the My Computer window
Start menu
Standard menu
System menu
None of the above
Which components appear in the initial Windows start up display?
Start menu
Dialog boxes
Taskbar
All of above
Which of the following is suitable after you install new drivers?
Hibernate
Sleep
Restart
Shut Down
In case of ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.
Robustness
Efficiency
Transparent
Interference