stress causes all disease in our daily life

how stress is a root of all disease?

Now we are going to know that stress is a cause of all diseases but first of all it is necessary to know the definition of stress:

How the stress is defined?

There are some distributed activities that are shown by the whole body which are mostly different from the normal activities of body  which show the body is in stress.

Some Types of stress:

The main types of stress are :

• Physical stress
• The Mental stress 

Physical stress include:

(i) increasing of heartbeat rate

(ii) The digestive system does not work properly

(iii) Some time feel abdomen pain etc.

Mental stress:

(i) Some time Headche

(ii) Loss of Appropriate thinking level

How stress Causes hair problems :

For our hair growth an appropriate flow of blood is needed from head to toe but if we take any type of stress then it will effect our suffient blood flow either the flow if increasing or decreasing.

How stress causes eyes problems:

If any person takes stress its mind will feel a force in other words tension.its  parasympathetic system will effect visual cortex and his eye sight will be weak.

Stress causes diabetes:

stress is evil also devil for human body. It is also very horror reality that stress causes diabetes. Stress effects all the secretory glands in body like pancrease secretes insulin. When we eat food it enters in blood and converted  into glucose. For a very short moment glucose quantity in blood is more then pancrease releases insulin which normals sugar level in blood but if body is in stress then pancreatic secretion is disturbed and person become a diabetic person.

Stress is a cause of poor thinking level:

Hypothalmus is a part of brain          which controls thinking. If body is in stress then Hypothalmus is effected badly and effects our long term memory as well as short term memory.

Result of discussion:          

It is proved that by some important explanation given above that stress is root of all diseases So we should not take stress so that our body will function properly. 

Body without stress  :

   (i) Digestive system will be good.

(ii) Beauty will promote

(iii) Mental relaxation will appear

(iv) Good thinking level will promote

(v) Positivity will be shown by character.

(vi) People will feel relax in your company.

(vii) Your surrounding environment will be good.                                                                                 

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What is the concept of file system?

INTRODUCTION

WHAT IS A FILE SYSTEM?

·                    Basically a file system is the basic part of the operating system which is  responsible for managing of files and also for the resources on which these resides. So without a file system, efficient computing would essentially be impossible.

·         AS Computer inherited files and also files processing from only manual data processing systems. In fact we can say,many of the ideas and also terms are used in connection with computer files are derived from terminology of the manual files. In the computer, the management of all files is handled only by the file system component of  operating system..because of the main memory of all computer is volatile,(i.e which does not retain information).

·         Secondary memory devices are used for random access purposes and also for magnetic tapes for the sequential access.These devices are complex to interact with ,and in the multi-user systems are also shared among users,The OS provides extensive services only for managing the data on secondary memory.

·         Data are well organized at different type of levels, so they can be easily store and also retrieve. These data are well organized into files, collections of all data elements grouped together for purpose of all access control, retrieval and  alsomodification. While the file is fully stored in a filing cabinet on the magnetic disk or any other form of storage,So all files have the same methods of these operation. For example, in an organization, files are arranged into cabinets in some particular order. All files holds data, which is only required for providing all information. When files are arranged in  particular place, it facilitates easy storage and retrieval.


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what is the concept of system analyst?

CONCEPTS OF SYSTEM ANALYST

A system Analyst is the only one that is under studies of an existing manual of computer system whether the computerization of  system is very necessary, it is feasible and cost effective.

The System analyst design a fully computerized procedure and also specified all function of the different programs that constitute the system.

The purpose of system analyst is to do depth study of all the objectives and problems of existing procedure(s)  and also to produce a specification that is very flexible to allow some application to be wedded to it without any duplication of  different work procedure.

SYSTEM ANALYSIS

It is the process of only studying the information requirements of the organization or the system and also preparing a set of different functional specification that identify whether a new or a replacement system is required and also that serves  as basic for the design and also developing of the system.

It is  used only to describe the process of gathering and also analyzing facts in the respects of all existing operations, All the procedures and systems in order to obtain a full appreciation of the situation providing that an effective and  computerized system  designed and also implemented if proved feasiblility.

Duties of a system Analyst

ü   System analyst o analyses the system only  by carrying out thorough different investigation.

ü   it may be called a system designer since he also designs the system.

ROLES OF A SYSTEM ANALYST

•    Analyzing the findings of all the investigation so that  can be used fully effectively in designing of a new system.
•  Investigation o f the existing information usage, also systems and procedures of the company with a view to discovering problems.
•    Designing of the new system because it increase efficiency,and also minimizes the problems and also achieved the objectives and set for it by the steering committee.
•   It Testing and also implementing the new system.
• Define all the actions and alsorequire to deal with various conditions and arising in the system by means of decision tables.
•   Specify to the most appropriate proceeding techniques only for the prevailing of circumstances.

STERLING QUALITIES OF A SYSTEM ANALYST

ü   The system analyst also should have a good education.

ü   They possess the sterling and personal qualities to confidence,and  creativity, patience, communicability, innovation.

ü   They also should be the logical, and also have sense of the responsibility.  



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Common Compiler Problems and their Solutions

 COMPILER PROBLEMS:

 These are some problem which could be occur by compiler.

• The Programming in the ML was the tedious and the error-prone; and since this implies and having to the constantly remember and which numeric code means which operation.
• The Debugging andalso the  maintenance are also very difficult,al slow,or  error prone and also costly.
• The Each family of the computer has also its unique ML which is also tailored to all of its specific hardware.
• The Program which is also written in the Machine Language (ML) which is not relocatable i.e. they can only to run in the specific locations of  main memory and if that portion of all the main memory is not available, the program will not run by this.
• To Lack of subprogram facilities  does not enhance to modular programming languge .

SOLUTIONS TO PROBLEMS OF COMPILER

To Attempts to solve all of these problems led to the development of all Low Level Language (LLL) that is also known as  the Assembly Language . Assembly language are also used to represent the operation code and also the storage addresses and they could make to use of symbols instead of numbers.
Assembly language also have sub program facilities and its program are also relocatable  and also will be the  machine  specific but it is also debugging and maintenance is  simply quite difficult and error to a lesser degree than that of machine language.
The High Level Language was fully developed in order to make all the programming task . High level language is only a notation that  took into the account type of the problem and also the normal approach to solving of a specific problem and it is also usually called  the PROBLEM-ORIENTED LANGUAGE . Examples are COBOL, C#, C++ etc.
In HLL, programming  the debugging  maintenance are much easier, less error-prone that in Machine language and Low Level Language .In  HLL programs are relocatable program that can easily be transported from one computer to another computer.


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What is domain name system?

THE DOMAIN NAME SYSTEM (DNS)

Domain Name System  is the distributed Internet directory service.. If DNS fails or it is too slow,then the websites cannot be easily located and also email delivery stalls.

The URL specifies to the address of all the web pages displayed in the window browser. Each of theweb page on the net is associated with  unique URL which will begins with http:// and then by www, the host name and after the domain name. The host name is the name  of the company or organization.

The domain  could refers to as common name for a computer or the groups on the net. It is very unique and could be purchased from the organization called Internet Network Information Center. The domain name(DS) is the last in the url or can sy on web site address. The DNS is used to translate the domain names into IP addresses .

The following are the common domain names:

On internet, some of these strings are fully managed by the Domain Name System (DNS). The domain name server( DNS) use a system of multi-level strings which are separated by dot (‘.’) to organize the domain names.

For example, A website use the three levels of naming. The levels are listed in order from lowest to the highest when reading from left to right. We have something like (‘www’) that represent to the first sub string or sub domain. while the second sub-string can be (‘www.newsup4u.com’) i.e. an organizational domain that points to a web site or also contains other sub-website and sub-domains. Finally, the  sub-string represents (‘.com’,".net"etc) which areb top level domains (TLD) that encompass a numerous organizations worldwide, e.g. www.newsup4u.com.

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Concept of Infrared wireless network Part 2

     INFRARED Wireless netword

It is a wireless network that is only limited within a short distance. The transfer of all data can also be achieved with device that has been infrared. Infrared radiation use energy as electromagnetic waves in the portion of  spectrum which is beyond to the wavelength limit of only the red portion of visible radiation.

     INFRARED

This wireless network is only limited within a short distance. Transfer of the data can be achieved only with the device that also has infrared. The Infrared radiation are use emission of the energy as the electromagnetic waves in the portion of spectrum that just beyond to the wavelength limit of  red portion of visible radiation.

ADVANTAGES OF INFRARED

i.     It has Low power requirements therefor the idea for laptops,or  telephones,and  personal digital assistants.

ii.                  If  it is portable as it has been fully adopted by the most international travelers.

iii.                  It does not have to the interference from signals from other devices.

PROBLEMS OF INFRARED

i.                 The transmission could be blocked by the common materials like the people, walls, plants etc.

ii.                   Performance of the drops off with line distances.

iii.                  The Direct sunlight, and the rain, fog, dust,and also the pollution can affect to the transmission.

iv.                 Data transmission is also lower than the typical of wired transmission.

d.      BLUETOOTH

This is only  an open wireless protocol that is used for exchanging data over and also short distances from the fixed and also the mobile devices, and also creating personal area network . The Bluetooth is a  simple wireless network that only allows up to eight devices to be connected together in a network. It is short range to an operation and also can be used for “personal network”.

ADVANTAGES OF BLUETOOTH

i.                     Bluetooth is really widely used across the countries and can almost by everyone.

ii.                   Bluetooth usage is also free of charge.

iii.                  It does not use ant type cord.

iv.                 It has also the ability to keep all of the information fully private and even though data could be exchange  and  across to the systems with Bluetooth.

v.                  Bluetooth also allows to all of the users to control because the user has to access to accept   or reject to the request.

PROBLEMS OF BLUETOOTH

i.                     The Bluetooth also uses more battery power when leave enable.

ii.                   While using Bluetooth internet, the connection could be sometimes run very slow.

iii.         Greater range and radio frequency of Bluetooth make it much more open to interception and attack.

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WHAT IS THE CONCEPT OF WIRELESS NETWORK ?

WIRELESS TECHNOLOGIES MEDIA:

Wireless could be easily refer to one or more than two computers that communicating using different  standards network ,rules or the protocols.  Instead the computers can use wireless radio signals to send the information from one computer to others.The air is the main medium for the wireless transmission and other transmission media includes:

WIRELESS TECHNOLOGIES MEDIA

The Wireless could also be refer to one or more than two computers which also communicating using standard network and rules or protocols.  Instead of the computers use the wireless radio signasl to send all of the information from one computer to another very easily. Air is only the main medium for all of the wireless transmission while the other transmission media included.

Through Sattelite:

Earth-orbiting  that really  provides the communication over to the long distance only by the ref of relaying radio frequency signals.  These systems could  be one-way or  we can say two-way. With one-way system, you can easily download via the satellite but you must upload a dial-up phone line. The Satellite service really requires a substantial set-up fees, equipment which could  cost a lot.

ADVANTAGES OF SATELLITE

i.                    The  speeds is fast, reaching almost 7Mbps.

ii.                   It is really the best option in whole area where there is no other broadband service is available.

iii.                  By this Large data can be transfer (upload or download) with .

PROBLEMS OF SATELLITE

i.                     It is really very cost to set up.

ii.                   Internet service can be stop by bad weather.

iii.                  It really takes time for the signal to travel to and from a satellite and this really take the user experience  in data transmission.

b.      RADIO WAVES

It is a wireless communication media which sent through the space from one antenna to the another antenna  as means of communication. The Radio waves are really used for the receiving of AM and also FM radio station and also as well as for receiving television stations. Some of the telecommunication system can also uses radio waves and also they are cordless telephone service such as cellular, GSM etc.

ADVANTAGES OF RADIO WAVES

i.                    As  Some are reflected off the ionosphere, which can easily can travel around the earth.

ii.                   It can carry out  a message instantaneously over to a wide area.

iii.       The wires are really not needed as they travel through the air, thus, a cheaper form of the communication.

PROBLEMS OF RADIO WAVES

•               It really requires the aerials to receive all the signal.
•                   It really travels in a straight line, so we can say repeater stations may be needed. 

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