What is Cloud Computing ?

Many People are wondering what is this new technology known as Cloud Computing technically there are many ways to understand this technology, but if you want to know in shortcut that also via HINDI then the below Gentleman in this video will help you.

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What is the difference between Blog and a Website

The Difference between blog and a website does not cost too different but it has some difference that which we cannot ignore it. First of all A Blog is a type of website, usually maintained by an individual person or a group , whereas a Website  is a collection of related web pages, images, videos or other digital assets that are addressed with a common domain name which is hosted on a one web server .

Here is a small difference which i find  as i think so:

Website: gives you a gateway of details on the internet and allows people to surf,shop, and contact you, learn all about you and your product of your certain company.It’s a one sided conversation. Everything is done by Webmaster/Owner of the site doing all the talkings and inserting the details. There’s nothing for your visitor to do to participate or interact with you while at your site. You have to do it personally for ex: A company has a website with the details on thier products, So that Customers can talk to the owner for further info: like www.idaksh.in and one thing Website is Static, its very irritating thing to change the theme or any code of it.

Blog : is a collection of personal information of individual people or a group of people and it can host the same information that your website does however, it’s a two sided conversation in that your customers can leave comments, participate in polls,forums and also we can interact with each other.And you can change it daily and its some what user-friendly why because to make a website you should have a deep knowledge in web programming language but in blog it simple just install/setup a blog, grab some themes alter it and publish it. Just you need is a common sense and little basics of website programming. www.technicalathma.com.

But nowadays every were people use blog due to its popularity with  help of Social Networking to promote thier personal details or any company details or normal information and you can point the domain name to a blog easily so people can’t find out is it a blog or a website  , and while comparing with Blog and Website, Blog is very cheap while comparing to a website . So i think the future is in blogs hand , so have a nice day and keep blogging.


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What is Bandwidth

Definition:

In computer networks, bandwidth is often used as a synonym for data transfer rate – the amount of data that can be carried from one point to another in a given time period (usually a second). This kind of bandwidth is usually expressed in bits (of data) per second (bps). Occasionally, it’s expressed as bytes per second (Bps). A modem that works at 57,600 bps hastwice the bandwidth of a modem that works at 28,800 bps. In general, a link with a high bandwidth is one that may be able to carry enough information to sustain the succession of images in a video presentation.

It should be remembered that a real communications path usually consists of a succession of links, each with its own bandwidth. If one of these is much slower than the rest, it is said to be a bandwidth bottleneck.

Bandwidth
Bandwidth

BandWidth Explained

Most hosting companies offer a variety of bandwidth options in their plans. So exactly what is bandwidth as it relates to web hosting? Put simply, bandwidth is the amount of traffic that is allowed to occur between your web site and the rest of the internet. The amount of bandwidth a hosting company can provide is determined by their network connections, both internal to their data center and external to the public internet.

Network Connectivity

The internet, in the most simplest of terms, is a group of millions of computers connected by networks. These connections within the internet can be large or small depending upon the cabling and equipment that is used at a particular internet location. It is the size of each network connection that determines how much bandwidth is available. For example, if you use a DSL connection to connect to the internet, you have 1.54 Mega bits (Mb) of bandwidth. Bandwidth therefore is measured in bits (a single 0 or 1). Bits are grouped in bytes which form words, text, and other information that is transferred between your computer and the internet.

If you have a DSL connection to the internet, you have dedicated bandwidth between your computer and your internet provider. But your internet provider may have thousands of DSL connections to their location. All of these connection aggregate at your internet provider who then has their own dedicated connection to the internet (or multiple connections) which is much larger than your single connection. They must have enough bandwidth to serve your computing needs as well as all of their other customers. So while you have a 1.54Mb connection to your internet provider, your internet provider may have a 255Mb connection to the internet so it can accommodate your needs and up to 166 other users (255/1.54).

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What is Software ?

Software is the set of instructions which guides the computer hardware through their jobs. A computer is useless without software. We use different software to solve different problems. The types of software we need depend on the job we want to do.
There are basically two types of softwares :

  • system software
  • application software.


System softwares are used to help the computer parts work together and also provide support to the application software. The most common type of system software is operating system.

Application softwares are used to improve our work ability. Different application softwares and system softwares are used in daily life. Some are productivity software, content software, assessment software, online software, drill and practice software, problem solving software, tutorials, multimedia softwares, stimulation, games, group ware, share ware, spy ware, free ware etc . Some softwares are used to produce and create documents and different presentations.

These software are called productivity software. Drill and practice software are used in student management system to keep the track of student progress. Problem solving software are used to solve the problems in different field of science and technology. Tutorials are used to guide the user about different application.

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What is Computer Hardware ?

Computer hardware is a physical part of a computer that executes within the hardware. It is unlike computer software or data that can be frequently changed, modified or erased on a computer. Computer hardware is not frequently changed and so is stored in hardware devices such as read only memory (ROM) where it is not readily changed.

Most computer hardware is embedded and so is not visible to normal users. Below are the different types of hardware’s found in a computer.

  • Motherboard: It is the central or primary circuit board making up a complex electronic system such as a computer. A motherboard is also known as a main board, logic board or system board.

  • Central processing Unit: A CPU is the main component of a digital computer that interprets instructions and process data in computer programs.

  • Random Access Memory: A RAM allows the stored data to be accessed in any order. RAM is considered as the main memory of the computer where the working area is used for displaying and manipulating data.

  • Basic Input Output System: BIOS prepares the software programs to load, execute and control the computer.

  • Power Supply: Power Supply supplies electrical energy to an output load or group of loads.

  • Video Display Controller: It converts the logical representation of visual information into a signal that can be used as input for a display medium.

  • Computer Bus: It is used to transfer data or power between computer components inside a computer or between computers.

  • CD-ROM drive: It contains data accessible by a computer

  • Floppy disk: It is a data storage device

  • Zip Drive: It is a medium capacity removable disk storage system.

  • Hard Disk: It is a non-volatile data storage system that stores data on a magnetic surface layered unto hard disk platters.

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What is svchost.exe ?

One of my friend named JP Ullals who is a system admin of KPT had a discussion with me on the related topic whats the hell is svchost.exe what is doing on the computer and even i too had a doubt andyou have no doubt reading this article because you are wondering why on earth there are nearly a dozen processes running with the name svchost.exe. You can’t kill them, and you don’t remember starting them… so what are they? and what they do ?

So What Is SVCHOST?

According to Microsoft: “svchost.exe is a generic host process name for services that run from dynamic-link libraries”. Could we have that in english please?

Some time ago, Microsoft started moving all of the functionality from internal Windows services into .dll files instead of .exe files. From a programming perspective this makes more sense for reusability… but the problem is that you can’t launch a .dll file directly from Windows, it has to be loaded up from a running executable (.exe). Thus the svchost.exe process was born.

Why Are There So Many svchost.exes Running?

If you’ve ever taken a look at the Services section in control panel you might notice that there are a Lot of services required by Windows. If every single service ran under a single svchost.exe instance, a failure in one might bring down all of Windows… so they are separated out.

Those services are organized into logical groups, and then a single svchost.exe instance is created for each group. For instance, one svchost.exe instance runs the 3 services related to the firewall. Another svchost.exe instance might run all the services related to the user interface, and so on.

So What Can I Do About It?

You can trim down unneeded services by disabling or stopping the services that don’t absolutely need to be running. Additionally, if you are noticing very heavy CPU usage on a single svchost.exe instance you can restart the services running under that instance.

The biggest problem is identifying what services are being run on a particular svchost.exe instance… we’ll cover that below.

If you are curious what we’re talking about, just open up Task Manager and check the “Show processes from all users” box:


Checking From the Command Line (Vista or XP)

If you want to see what services are being hosted by a particular svchost.exe instance, you can use the tasklist command from the command prompt in order to see the list of services.

tasklist /SVC

The problem with using the command line method is that you don’t necessarily know what these cryptic names refer to.

Checking in Task Manager in Vista

You can right-click on a particular svchost.exe process, and then choose the “Go to Service” option.

This will flip over to the Services tab, where the services running under that svchost.exe process will be selected:


The great thing about doing it this way is that you can see the real name under the Description column, so you can choose to disable the service if you don’t want it running.

you can double-click on a svchost.exe instance and select the Services tab, where you can choose to stop one of the services if you choose.

Disabling Services

Open up Services from the administrative tools section of Control Panel, or type services.msc into the start menu search or run box.

Find the service in the list that you’d like to disable, and either double-click on it or right-click and choose Properties.

Change the Startup Type to Disabled, and then click the Stop button to immediately stop it.


You could also use the command prompt to disable the service if you choose. In this command “trkwks” is the Service name from the above dialog, but if you go back to the tasklist command at the beginning of this article you’ll notice you can find it there as well.

sc config trkwks start= disabled

Source:http://www.howtogeek.com/

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