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Operating Systems

Operating systems, both proprietary and open-source, include those produced by Microsoft, Linux, and Apple Mac

4,423 Questions

What are the advantages of distributed systems?

its is the risk sharing burden .....................it gives u infrastructure such as storage facility, transport facility, ...............it gives u first hand information from the market.......it builts your relationship.........it is usefull for market mapping..............

Where is the operating system stored on a computer?

The computer motherboard has a BIOS (Basic In-Out System). When the power is turned on, the BIOS check the basic system, beeps if it is okay, goes looking for the harddrive (or other place the OS might be stored). Then it has the instructions to start the OS. Voila!

On a PC, the operating system is stored on the hard disk; mostly in the folder called Windows, and all its subfolders.

What is macro operations?

Macro operations are those not linked to individual types and invoked on objetcs - but rather general operations associated with the database as a whole.

What is swapping in operating systems?

When you load a file or program, the file is stored in the random access memory (RAM). Since RAM is finite, some files cannot fit on it. These files are stored in a special section of the hard drive called the "swap file". "Swapping" is the act of using this swap file.Aswapping is a mechanism in which a process can be swapped temporarily out of memory to a backing store and then brought back into memory for continued execution.

What is kernel?

A kernel is the core program that runs programs and manages hardware devices, such as disks and printers. It executes the commands which provide by environment.

What are the advantages and disadvantages of drainage system?

Advantages of Drainage

There is no doubt that a drainage system will improve your crop yield. The implementation of a corrugated polyethylene pipe drainage system gives you more control over the moisture content of the soil than was ever thought possible. With Global Positioning Systems (GPS) not only can you check the overall condition of the soil, you can see how yielding patterns improve when moisture content is altered with a drainage system. Installing a drainage system has a number of impressive benefits. Control over the moisture content of the soil:

  • Reduces the effect of droughts and excessive water from heavy rains or snow.
  • Increases the temperature of the soil which loses its heat to excessive surface water.
  • Improves aeration and the nitrogen content of the soil which results in earlier germination and better root development.
  • Eliminates planting delays resulting in a longer growing season
  • Removes toxic material and disease organisms
  • Reduces soil erosion by creating better root systems

Greater Profitability

If you're looking for better productivity and a faster return on your investment, installing a tile drainage system comes out ahead of new machinery, land acquisition and new buildings. And it does it, convincingly. The profitability begins right from your first crop after installing drains.



Greater Productivity


According to Ontario's Crop Insurance Program, tile-drained farms increase yields from 22% to 42% compared to untiled land.

Improved Conditions for Earlier Planting and Extended Harvest Season

Abruce Tile drainage system will ensure you can be on the field for planting at the earliest possible date. Those wet fall days should not stop you from getting your crops off the fields.


Better Soil Moisture Conditions

With better soil moisture conditions, you can plant your whole field earlier and extend your harvest season. Why? Tile drainage reduces excess moisture where plants take root, encouraging deeper rooting.

Reduced Compaction

Improved soil conditions reduce compacting from fieldwork or harvest operations. A better air/moisture balance in the soil also contributes to better root growth and micro-organic health.

Drought Resistance

And with a properly drained field, your crops are more resistant to drought, because deeper roots are able to find and utilize moisture more efficiently.

Better Use of Inputs

Fertilizer is used more effectively on drained soils. A seedbed that has consistent and ideal moisture speeds germination and emergence. Herbicides applied to the soil adhere better to soil particles.

Energy Saver

Well-drained fields will also take less of your time and energy. You won't have to return to wet areas after they've dried out because you'll have uniform moisture across all of your tiled land.

Increased Land Value

One additional and compelling benefit of a tile drainage system? It's an assured way of increasing the value of your land whether you work the farm yourself or decide to sell.

Ms PowerPoint is considered an operating system?

It is a software application.. Because power point needs operating system to run

Example of preemptive sjf scheduling?

find primitive sjf? with avg waiting time and TAW?

P Bust TIme Arivel time

p1 5 1

p2 3 0

p3 2 2

p4 4 3

p5 8 2

How do you fix a boot error when booting from a USB configured by Sardu?

This was a BIOS settings issue.

In the BIOS of this Asus netbook I found a second setting, which also had to be set with "USB" as 1st boot device.

When I found this setting, the 'Boot Settings' dialog box had the following categories:

"Boot Device Priority".

"Hard Disk Drives":

It was necessary to additionally set "USB" as 1st boot device within the "Hard Disk Drives" category.

In here its default settings were:

"HDD"

"USB".

What are the applications of Differentiator?

Many real world problems can be represented by first order differential equation. Some applications of differential equation are radio-active decay and carbon dating, population growth and decay, warming/cooling law and draining a tank.

What is multi user multi task?

Multi User: In the computer usage, if there are more CPUs and more users are connected to the same computer with more cpu buit into it. So that any user request may be diverted in to the idle cpus in the gang. The no. of cpus in the gang will be decided by the traffic of the no. of users. This concept is helpful for the real time jobs.

Multi Programming: in which there is only one cpu with many programs that can be run. However, in the same machine we have to submit more jobs. Here the process may not be real time jobs. Because if one job completes inside the CPU then only the other jobs may enter into CPU for its turns.

In this case Multiprogramming; the time sharing concepts may be introduced to allocate job run time for important programs with high priority.

When do page Page fault occur?

The Page Fault does occurs when there is unexpected event that has occurred in Windows. When the Page Fault occurs it is not possible for the hardware to function.

Name five things that may impact network operations when you upgrade the network operating system NOS?

1) Lack of monitoring during upgrades.

2) System's errors due to lack of NOS to communicate during upgrade

3) Heavy load on Support websites due to questions on the upgrade

4) Depending on where the NOS is located if the systems being upgraded are in the same physical location as live servers there is always the possibility of someone unplugging a wrong cord or overloading a UPS during the upgrade.

5) Employee's misinforming

What is a system source?

An OS where the source code isn't released to the public. Windows and Mac are 2 examples.

How does a terminal server work?

A terminal server is a specialized computer which aggregates multiple communication channels together. Because these channels are bidirectional, two models emerge: Multiple entities connecting to a single resource, and a single entity connecting to multiple resources. Both of these models are widely used. Both physical and virtual resources can be provided through a terminal server: centralized computing can provide multiple users access to a remote virtual operating system. Access Providers often use terminal servers to terminate physical connections to their customers

To see the working of the terminal server visit

http://technet.microsoft.com/en-us/library/cc755399.aspx

Answer:

Terminal server as allows windows Small Business Server 2003 and windows XP to host multiple remote desktop session. Terminal service provides for application deploment in windows server 2003,windows server terminal services that client computer connect to a remote computer, remoter desktop connect from to type in run mstsc /span. windows server 2003 system family provides a client license management systme known as teminal server licesing.

Remote desktop connection by default installed in windows XP, remote desktop used to initiate a terminal services session from client side. To open remote desktop type mstsc in the runbox then enter.

Create a Terminal Services From client disk. We are creating client disk a) Click start point to programs then administartative and after that click Terminal Services client creator. b) Create installation disk in dialog box, click the version of the clients disk then ok. c) Insert the disk then ok ,you have now created a teminal services client disk.

Microsoft windows terminal services built into windows 2000 server and windows server 2003 and then windows xp remote desktop. using terminal services connect the internet will require that you open port 3389, used by the remote protocol and then check the firwall setting. and tcp connection is configured for the terminal server network to allwow users will be connect. To disable or enable the Remote desktop service on a windows xp or windows serve 2003 computer, perform the follwing steps :- 1) Click start and then contorl panal and then select the system. 2) And then click the Remote tab. 3) After that Remote desktop, unchecked the Allow users to connect remotely to this computer .

What is real time scheduling?

Real time means that correctness of result depends on both functional correctness and time that the result is delivered

* Soft real time

:- Utility degrades with distance from deadline

* Hard real time

:- System fails if deadline window is missed

* Firm real time

:- Result has no utility outside deadline window, but system can withstand a few missed results

What are the Objectives of an operating system and explain how an operating system helps in meeting these objectives?

CONVENIENCE

Makes the computer more conveninet to use.

EFFICIENCY

Allows computer system resourses to be used in an efficient manner

ABILITY TO EVOLVE

Permit effective devolopment,testing,and introduction of new system functions without interfering with services.

TIME SHARING

opreating system schedule task for efficient use of memory