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How important is it to be logically consistent? To answer this question it seem

Security has improved usabilty of software drastically on society. Now CCTV cameras are that user friendly that you can zoom up on somebody or a section of a building with a click of a button. This is good for those who are not very advanced with using new technology, which means that training is not necessarily needed for this wquipment. Also such things as card and fingerprints readers are that simple to use that you can get into a building more a less instantly.

Specialised interfaces for use in hostile environments:

There are very high security measures in such places as nuclear power stations and clearing landminers. The reasons for this are so that only certain people are allowed into the building which can only be accessed by certain people. The security they use are such things as access control cards or fingerprints scaners which store all your information and show that you are allowed in that building if your card is correct and if your fingerprint is a match.

b) Explain how advances in design in these aspects have contributed to the impact of computers on society.

M1 (Part 1)

The Impact of Computer on society:

In the past fifteen years or so there have been immense changes that have come about through technologically. These remained one of the speed at which the human mind has been working man has inverted and innovited thigs so that they can serve their purposes more and more conveniety. This significantly that they are now in demand for various functions that may not have been perecived years ago. Such is the case, considering the fact that there numorious professions that noe dependent computers. In addition, even non-professionals make use of computers, and reinforcing this is the fact that people now are able to make use of computers in their homes for entertainment as well as communication. The result of this is that even a home enviorment begins to take on a mechanized look.

In addition to the impact that computers have had in the homes of many, they have also impacted other parts of the society. Computers have also had an immense impact on education today, and it is expacted to do a lot more for education in the future. With the facility of the internet at their homes, many students have taken it into their stride to do more research and study harder so that they can be better at the fields they are studying in.clearly computers are them responsible for enhancement of knoweldge.

Few areas that might be affected with the advancment of educational technology include the role of a teacher the type of student and a sociaty that relies on the newer techniques of teaching. Furthur with the concept of online teachingbecoming more and more popular, there are a growing number of people turning to this form of education. This is especially the case with higher education.

In the future there is a lot of hope for students with learning with disabilities, as there is so much software developed and and available that one just needs to pick out the most suitable one.

c) Evaluate the good and no-so-good points of developments in these areas, relating them to the impact on society.

D1 (Part1)

Good Developments:

Human computer intereaction has always put good infact very good developments in threse area in recent years if we see improved useability software we shall come to know that all the developments whaich has been chased today is only by the day by day developments results of hci. It always make for the peoples more and more easier to use there are a lot of things we can disscuse about this in software devlopments today there are hundreds and thousands software in the market which are making easier for the pupils. For example if any one working in a office he no need to write all the thing in a register and keep it safe in cubuts for years computer made it very easir and safe for the peoples you just type your data and whatever you want and just safe it just by one click. It also helped the peoples who are facinf dissabilities they can use it and understand the every aspect of life there are a lot of things for peoples who are dissabled.

No-so good Developments:

There are also some negative points of hci but its not mean that it is not good it is the fact when anything have positive points then it also have neagative points as well so same like here when any software come to made and when it is got lanched there are possibilities of having errors or some thing wrong with this it can effect on our others software might be their viruses are can travel into our system and get stuck it or other problems, secondly it also effected for the peoples who are disabled because when they will get use it for a long time it can be effect on their eyes sight they can victom of back bone problems it can also be harmfull for the peoples who are working on this in their offices because it all the time just sitting and watching work so it can be affected in somehow!

a) Describe the impact of one of these aspects on the economy.

D1 (Part2)

There are a lots of impacts on the economy as it has the security has had impact on the economy as it has brought out some positive as well as some negative to the world. However many peoples that the use of cctv cameras has gone too over the top and has become too much like big brother with camera watching their every move in most towns and cities. They donot understand that these camera has probably biggest impact on economy out of all security measures. Security has also had a big impact on passport fraud as with modren technology it has made it very hard for a person to creat a fake passport however some are still being made on the black markets selling for thousands of pounds to illegal imigrants who are trying to be a british citizenship. However they have now made it harder for immigrants to come into country illegal for example in a back of vagon or a truck. Even if they do manage to get into the country illigal they will find out and charge them. It also imapct on eceonomy in different situations and it made a lot of help to the economy by installing different system it made the eceonomy in a very good shape so it can help the peoples they get in toch with all the things like every company every field is using computer now so it could be easy so far. It also increased automation varied the work envioment it worked with the men in every field and helped them to tackels all aspects of situations.

Explain how advances in design in these aspects have contributed to the impact of computer on the economy.

M1 (Part2)

The advances in these aspects have contributed to the impact of computer on the economy in this ways like in modren door there are we can face in every field every where the advaces of these things lets say if we go for shopping at tesco or somewhere and we can see when we done with our shopping and come to the till for paying our bills we saw that the till man or woman will get our product and scane it the modren computer will tell or automatically genrate the price into the compter and will show on screen after that we shall be asked for paying of that now there are two different methods of pay our bill first one is that we can give the cash which is not usual and secont one more faster and reliable and scure way is by our cradit card we can put our cards into the reader and enter our pin number and get paid for that so this is also one shape of advance aspect of impact of computer on economy. There are also other examples of imapcts of computer on the ecenomy these are the big aspects which we faces almost daily in our life in any shape.

) Evaluate the good and not-so-good points of developments in these aspects, relating them to their impact on the economy.

Good:

It has also so many good points on econmy because big big points are we save our times and most big and very considerable that we are safe and is easy to use for everyone. Human computer intereaction has always put good infact very good developments in threse area in recent years if we see improved useability software we shall come to know that all the developments whaich has been chased today is only by the day by day developments results of hci. It always make for the peoples more and more easier to use there are a lot of things we can disscuse about this in software devlopments today there are hundreds and thousands software in the market which are making easier for the pupils. For example if any one working in a office he no need to write all the thing in a register and keep it safe in cubuts for years computer made it very easir and safe for the peoples you just type your data and whatever you want and just safe it just by one click. It also helped the peoples who are facinf dissabilities they can use it and understand the every aspect of life there are a lot of things for peoples who are dissabled.

No so Good:

Well there are also some no so good points of this because if we get stock with the machine and we have costmers there then we are in big trouble because only specialist can handel this and can opreat inner funtion of this and can solve out this so it is not for every one to use inner maters of this, There are also some negative points of hci but its not mean that it is not good it is the fact when anything have positive points then it also have neagative points as well so same like here when any software come to made and when it is got lanched there are possibilities of having errors or some thing wrong with this it can effect on our others software might be their viruses are can travel into our system and get stuck it or other problems, secondly it also effected for the peoples who are disabled because when they will get use it for a long time it can be effect on their eyes sight they can victom of back bone problems it can also be harmfull for the peoples who are working on this in their offices because it all the time just sitting and watching work so it can be affected in somehow!

Task 3

You are to consider the impact of human computer interaction on culture, in recent years and in particular the following aspects.

The ways computer are used

Psychological and sociological impact

Describe the impact of one of these aspects

In recent years computer were not so popular in the peoples but after 2000 it became a necessary part of life of every field and every man in his or her life and it also impact on their culture because it changed their lives as well today before ten years no body knows about the computers but today a lil boy have all of basic educationd about this because it developed day by day and it got the interest of peoples and now, now a days peoples cant live with out it its my personal opinion. The ways computer used in past years was in earlier it was only used by orgnizations or government sectors because it was very expensive machinein that time and only government can afford this i am not damn sure physological and sociological impacts of computer in recent years i can only say it got grip over the mind of humans brains and needs more and more new things with the every aspects of life with day by day.

Explain the cultural impact of advances in design in these aspects.

The cultural impacts advances in design in these aspects are i think that the new genration needs extra modren and reliable things in which we have to no need to say about any thing we just say that tasks and it will get be happened so today the advances of cultural aspects are i think that the modren shape of computers are the advances in design if we look that today we have laptops every where we have i pods, ipads we can say a small shape of computer because it is easy to carry out with you anywhere. So when any society needs the advance computer in shape of laptop we can say that it is impact of advances in design of cultural which is given by engineers today and they are trying day by day to do it.

) Evaluate the good and not —so-good points of developments in these aspects, relating them to their impact of culture.

I think that the good and no so good points nearly nearly same like mentioned above however the good points are also here like if in before ten years there were no computers and today we have all these things from which we can do our works as quickly as possible so it could be same like that.

Good:

It has also so many good points on econmy because big big points are we save our times and most big and very considerable that we are safe and is easy to use for everyone. Human computer intereaction has always put good infact very good developments in threse area in recent years if we see improved useability software we shall come to know that all the developments whaich has been chased today is only by the day by day developments results of hci. It always make for the peoples more and more easier to use there are a lot of things we can disscuse about this in software devlopments today there are hundreds and thousands software in the market which are making easier for the pupils. For example if any one working in a office he no need to write all the thing in a register and keep it safe in cubuts for years computer made it very easir and safe for the peoples you just type your data and whatever you want and just safe it just by one click. It also helped the peoples who are facinf dissabilities they can use it and understand the every aspect of life there are a lot of things for peoples who are dissabled.

No so Good:

Well there are also some no so good points of this because if we get stock with the machine and we have costmers there then we are in big trouble because only specialist can handel this and can opreat inner funtion of this and can solve out this so it is not for every one to use inner maters of this, There are also some negative points of hci but its not mean that it is not good it is the fact when anything have positive points then it also have neagative points as well so same like here when any software come to made and when it is got lanched there are possibilities of having errors or some thing wrong with this it can effect on our others software might be their viruses are can travel into our system and get stuck it or other problems, secondly it also effected for the peoples who are disabled because when they will get use it for a long time it can be effect on their eyes sight they can victom of back bone problems it can also be harmfull for the peoples who are working on this in their offices because it all the time just sitting and watching work so it can be affected in somehow!

Task 4

Consider all the evidence you have gathered through you research into the above. Try to predict one future development in HCI an d describe what impact that may have.

Well its time to end up now in my thinking according to my point of view i can say that the impacts of computer in every fields are very good it helped us in every aspect of our lives and will do carry it through out our future and will get developments in every individuals fields . because it helped for us in a very chort course of time and made our life easir as it could be so i think it is very good impacts had been on the every field human society cultural indeed every thing.

s prudent to first explain what it means to be logically consistent. In simple terms we would describe a series of statements as being logically consistent if it is possible for all statements to be true at the same time. In the same way we would describe a person to be logically consistent if it is possible for all their beliefs (and statements) to be true at the same time.

Opposed to consistency is inconsistency. Using the above definition of consistency in reverse, we can describe a person to be logically inconsistent if it is impossible for all their beliefs to be true at the same time.

There are two major views on the importance of logical consistency (or in reverse: how bad it is to be logically inconsistent). The first view is that logical consistency is of primary importance and that inconsistency is the worst intellectual crime of all. In the second view, the importance of consistency is degraded; consistency is still considered desirable but inconsistency isn’t all that bad.

Traditional logical discourse is based on three laws of thought.

The law of Non-contradiction

No statement can be both true and false

(For a statement cannot have both itself and its negation true at once)

The law of Identity

Everything is what it is and not another thing

The law of Excluded Middle

Every statement is either true or false

(either it, or its negation must be true)

[Aristotle, Metaphysics]

A person cannot possibly follow those laws if they are logically inconsistent. This means that they are using a non-traditional form of logic. Avicenna took a very strong view against those who objected to the law of non-contraction…

“”Anyone who denies the law of non-contradiction should be beaten and burned until he admits that to be beaten is not the same as not to be beaten, and to be burned is not the same as not to be burned.”[ Avicenna, Metaphysics, I]

Yet alternative systems have been established, merely rejecting the traditional system is not bad in itself. It becomes a problem when a person is acting under a flawed or an imperfect system (a lay person may call them illogical… or insane) which could lead to the person performing actions detrimental to their life and happiness.

This would seem to concur with the first view on the importance of consistency. Since inconsistency can lead to self destructive behaviour; being logically consistent is of critical importance!

However this is clearly very extreme! Performing the occasional contradiction does not mean a person will accept all inconsistencies, nor does it mean they will engage in self-destructive behaviour. At the least all it means is that one of their beliefs turns out to be wrong.

Walt Whitman is supporting of this view…

“Do I contradict myself?

Very well then I contradict myself,

(I am large, I contain multitudes.)” [Walt Whitman, Song of myself, 1867]

A contradiction does not break the human mind and is easily shrugged off. This supports the second view on the importance of consistency. Although it is desirable to be consistent (I mean, who wants to be wrong?) it is not that important.

Yet again it is not quite this simple: Ex falso quodlibet ‘the explosion principle’. .[The Internet Encyclopaedia of Philosophy]If one claims something is both true and not true, one can logically derive any conclusion. By accepting even one inconsistency we can logically derive any conclusion. If we accept this principle then being inconsistent suddenly becomes very bad. From a strictly logical perspective it means that any and all conclusions we reach inferred by the contradiction (and if it involves a person’s beliefs, this means all) are logical. The explosion principle is evidence supporting the first view, if by making a contradiction we can logically reach any conclusion it is very important to be consistent! Otherwise we may make conclusions our common sense rejects completely… (bad).

A common argument against inconsistency is that contradictions are meaningless. But the argument form ‘reduction ad absurdum’ relies on contradictions having meaning to find proof.[The Internet Encyclopaedia of Philosophy] If we assert that contradictions have no meaning then we can no longer use this argument for any proof or purpose. Since the utility derived from reduction ad absurdum is much greater than any derived from having meaningless contradictions, it is much more sensible to give contradictions meaning. Of course, just giving meaning to contradictions does not make them good or bad: but it does mean that (comparatively) they are not as bad as if we didn’t assign them any meaning at all. This supports the former view then, inconsistency is not (all) that important.

There has been one longstanding contradiction in modern physics: it has now been solved but we may still look at it when interpreting the importance of consistency. In the theory of Quantum Mechanics we demand that electrons jump immediately from one orbit to another instantly; the quantum leap. [Bohr model, 1913] Electrons cannot ever occupy an intermediate orbit. Now for the contradictions…In the general theory of relativity [general theory of relativity , 1920] we demand that nothing can travel faster than light (300,000 km/sec). As we can see we cannot possible accept that both theories are true, but all physicists do! This shows that consistency is not all that important; physicists did not find themselves unable to work because these theories contradicted.

Time to draw this essay to a conclusion…Inconsistency in its extreme can lead to self-destruction, yet common sense tells us that this is not probable. Common sense also tells us that contradictions are easy to make and have no big consequences. Strictly logically, consistency is much more important; if we are not consistent then the conclusions we logically derive are much different than those which common sense allows us to accept. Looking at ‘real world’ examples in modern physics of inconsistencies also demonstrates that is not that important, Physicists were able to operate under two apparently conflicting theories for years with no great drawback. In short, I will conclude that consistency is (although certainly desirable) not that important.