What is Dr. Watson?
IT Expert
Diagnosis tool
Surgeon
None
Correct Answer :
B. Diagnosis tool
Related Questions
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
When a peripheral device needs immediate attention from the operating system, it generates a(n)
Page file
Spool
Stack
Interrupt
In Windows, start button is used to
Device setting
Run applications
All of above
Turn off the system
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
The ___ contains commands associated with the My Computer window
Start menu
Standard menu
System menu
None of the above
____________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
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.
Wiretapping to capture data in a network is an example of ________________
interruption
interception
fabrication
modification
Load balancing algorithms in ______________ class use the processor and process characteristics to allocate processes to nodes.
Static
Dynamic
Deterministic
Probabilistic
RPN stands for
Reverse Polish Notation
Record Police Notation
Record Polish Notation
Reverse Police Negation
In___________, the requesting device or devices assert the signal bus_request.
Priority encoded arbitration
Distributed arbitration by self-selection
Priority arbitration
Daisy chain arbitration
When a child dies, it sends a _______________signal to its parent.
SIGCHLD
EDEADLK
WNOHANG
SEDECHLD
The problem with logical dumping is ________________
very costly
very slow
human errors
all of these
______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.
Livelock
Preemption
Semaphore
either or
The name services of DCE include ________
the Cell Directory Service
the Global Directory Service
the Global Directory Agent
A,B and C
The command used to create logical drive for specific location of disk
Format
Fdisk
Subst
All of the above
Underlined text, such as text and folder names is referred to as
Hyperlink
Menu
Source drive
None of these
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
______________approach simplifies debugging and system verification.
Kernel
Layered
Extended
Virtual machine
The ______________ unpacks the call receipt messages from local RPC Runtime and makes a perfect local call to invoke the appropriate procedure in the server.
server Stub
server
client
client stub
The essential difference between an operating system like Linux and one like Windows is that
Linux is a proprietary whereas Windows is not
Windows can run with an Intel processor, whereas Linux cannot
There are multiple versions of Linux, but only one version of Windows
Any programmer can modify Linux code which is not permitted with Windows
To install the new font
Start -> setting -> font
Start -> control panel -> font -> install new font
Start -> setting -> control panel -> font -> install new font
Start -> setting -> control panel -> font
Process migration involves__________________
Selection of a process to be migrated
Selection of destination system or node
Actual transfer of the selected process to the destination system or node
All A, B, C
A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
In the case of____________ , changes to an open file are only locally visible.
session semantics
immutable files
atomic transactions
None of the above.
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
______________ is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.
Semaphore
Deadlock
Mutual Exclusion
No preemption
The usual su command syntax is
su-pwd
su-pd
su - userID
Sue- ID
_________, as a feature of good distributed file system, clients should be able to continue working if a file server crashes. Likewise, data must not be lost and a restarted file server must be able to recover to a valid state.
Scalability
Reliability
Flexibility
Fault tolerance
Windows 2000 supports -------------- type of file system
NTFS
EFS
FEFS
EFFS