Dear sir, I forget to tell you, PL send me soft copy On 7/24/14, Him Prasad Gautam <drishtibac...@gmail.com> wrote: > Hi, > There are some reasons: > 1. we are blind by eyes, they are blind by mind. > 2. In this world, a man quickly adopts bad things, but could not abandon > it. > 3. A man is always reluctant to good cause and is hesitant to practice > right things. > 4. Perhaps it is god's fault, he made human being so... > traditional system of character coding is far and far junior than uni code. > Mind that the world is govern by virtual power but not by ground reality. > > > > On 7/24/14, Bhavya shah <bhavya.shah...@gmail.com> wrote: >> Hi. >> I asked this on another thread on the same topic but thought to write >> it to this thread just in case. >> Why do sighted people use ASCII more often than Unicode and why do >> they use ASCII anyways? Are there any advantages of ASCII over >> Unicode? >> ASCII & Unicode fall under the group of encoding systems, right? >> What does ASCII stand for? >> >> On 7/24/14, Siddalingeshwar Ingalagi <ingalagisi...@gmail.com> wrote: >>> ok sir. I understood. Thanks for explaining. >>> >>> On 7/24/14, Him Prasad Gautam <drishtibac...@gmail.com> wrote: >>>> hi, >>>> question one:. What is difference between ascii anci >>>> Answer: >>>> For general concept, they both fall under the category as one group >>>> element have different identification number but different group will >>>> use the same number with repeating of those numbers which were already >>>> used by another group. >>>> Question 2: Difference between unicode UTF8 and UTF16? >>>> Answer: >>>> I earlier have explained that letters converted in numbers, numbers >>>> in zero and one. The zero is taken as switch off no supply of >>>> electricity) and one is converted as switch on supply electricity). >>>> Finally every things is converted into how many times on the switch >>>> and how many time off the switch. >>>> Take a real example: >>>> 65 is the code number of the English capital letter A. >>>> If we convert the number 65 into one and zero (binary number) it >>>> becomes 1000001 >>>> Count the number of zero and one here. >>>> There is one at first and at last and rest are zero. >>>> The total digit is seven. >>>> It means switch the first one, switch off the second, third, >>>> fourth,fifth, sixth and switch on the seventh. That is capital A. >>>> This is only background information for your question. >>>> Then what is utf-8 and 16 etc. >>>> This is the span of a binary number. >>>> Take an example: >>>> you can write one as >>>> 1 >>>> 01 >>>> 001 >>>> 0001 >>>> 00001 >>>> 000001 >>>> What is the different among these numbers? >>>> In value all they are one but in digits they are different. >>>> 01 is two digit and 000001 is six digit. >>>> Now go to back again. >>>> each letter of each language of the world have an unique number called >>>> the uni Code. >>>> English Capital has the code 65 but my Nepali ka has 2325. >>>> if both letters converted into zero and one (binary number); A is 7 >>>> digit and my ka may have 12 digit and perhaps your Kannada ka may have >>>> sixteen digit. >>>> Now if we want write all number of equal digit say sixteen; we have to >>>> add nine zeros in front of English A and four in front of my ka but no >>>> thing to add in front of your ka. >>>> In brief, it is a process of maintaining the number with same digit. >>>> If it is smaller than the set span, zero are added in front of it but >>>> keeping the value same. >>>> In conclusion, The bit expresses the length of digit. >>>> question three: what is font convert? >>>> Answer: >>>> Basically it is not a font convert but converting the code number of a >>>> letter. >>>> Remember my earlier example: >>>> English 1, 2, 3, 4, 5, etc. >>>> Russian 1, 2, 3, 4, 5, etc. >>>> It is ASCII system. >>>> In the same example I have written: >>>> English: 1, 2, 3, 4, 5,... >>>> Russian 100, 101, 102, 103, etc >>>> It is Uni Code system. >>>> >>>> Now Font convert means converting ASCII into uni Code numbering system. >>>> In the above example: >>>> Converting Russian 1 into 100, 2 into 101, 3 into 102 etc. etc. >>>> Making the ASCII code letter into uni Code letter >>>> Hence The word Font convert is meaning less from real sense. >>>> >>>> On 7/24/14, Renuka Warriar Edakkunni <eren...@gmail.com> wrote: >>>>> Superb explanation. >>>>> >>>>> Renuka. >>>>> >>>>> On 7/24/14, Siddalingeshwar Ingalagi <ingalagisi...@gmail.com> wrote: >>>>>> hi sir, nice explaination. What is difference between ascii anci and >>>>>> unicode UTF8 and UTF16? and what is font convert? >>>>>> >>>>>> On 7/23/14, Him Prasad Gautam <drishtibac...@gmail.com> wrote: >>>>>>> Hi list, >>>>>>> Many persons usually ask me what is unicode? >>>>>>> Why screen reader work only in Unicode? >>>>>>> Many VI fellows had requested me to make a system which may read >>>>>>> non-uniCode letters which is not possible. >>>>>>> They often complain that sited persons use non-uniCode system which >>>>>>> they have to access. >>>>>>> Here is a reply: >>>>>>> >>>>>>> Let you be clear: >>>>>>> 1. computer only knows every thing in number, no letter, word, or >>>>>>> order. For example, if you press enter key, computer understand it >>>>>>> as >>>>>>> 13. number of key. like your roll number in school. >>>>>>> 2. It does not recognize anything except numbers. >>>>>>> 3. Though Computer knows only the numbers; the number must be either >>>>>>> zero or one. two, three , four is not understood by it. >>>>>>> 4. The two, three, four, ten, hundred or billion etc is converted >>>>>>> into >>>>>>> a different number that contain zero and one which called binary. >>>>>>> 6. The binary number which contains only zero and one is taken as >>>>>>> follows: >>>>>>> zero means(switch off (no electric supply). >>>>>>> 1 meansswitch on ( electric supply.). >>>>>>> 7. That means computer does switch on and off only, it does not do >>>>>>> any >>>>>>> thing more. >>>>>>> 8. The processor speed expressed in hertz means how many times can >>>>>>> it >>>>>>> do the switch on and off in one second. >>>>>>> 9. A human being takes few second to on or off a switch, computer >>>>>>> does >>>>>>> the same work many billions times in one second. >>>>>>> Now, perhaps you may have understood: >>>>>>> 1. Computer does not recognize any letters. >>>>>>> 2. Instead a letter name like a, b, c, a number of that letter must >>>>>>> be >>>>>>> given to it. Like you are called by your roll number by a teacher, >>>>>>> or >>>>>>> an immigrant officer called you by your passport number or some one >>>>>>> refered you by your id number but not by your name. >>>>>>> 3. Hope you conclude that in computer letters are dealt in numbers >>>>>>> only but not by their name. >>>>>>> Now the first question begins: >>>>>>> How the letters are given numbers? >>>>>>> What number is given for English alphabet a or for b or for c or >>>>>>> for >>>>>>> z or for ka/kha of Hindi, or for alif/bay of urdu? >>>>>>> The numbering system of all letter of all languages of the world is >>>>>>> called unicode. >>>>>>> For example: >>>>>>> Government decided to allocate a id number to all of Indian citizen. >>>>>>> Now the id number can be given in either way: >>>>>>> First method: >>>>>>> Bengal: 1, 2, 3, 4, 5 .... >>>>>>> Orissa: 1, 2, 3, 4, 5, .... >>>>>>> Gujarat:1, 2, 3, 4,5, >>>>>>> Kerala: 1, 2, 3, 4, 5.... >>>>>>> In this method, the id number within a state is not repeated but the >>>>>>> same id number holder is found in another state. >>>>>>> Second method: >>>>>>> Do not repeat the id number in each state. Allocate an unique number >>>>>>> for an Indian citizen. >>>>>>> Now come to the letter numbering system: >>>>>>> This is an example: >>>>>>> English letter: 1, 2, 3, 4, 5, >>>>>>> Russian letter: 1, 2, 3, 4, 5 >>>>>>> Hindi letter: 1, 2, 3, 4, 5, .... >>>>>>> Punjabi letter: 1, 2, 3, 4, 5, ... >>>>>>> Chinese letter: 1, 2, 3, 4, 5 >>>>>>> This method of giving the number is called ASCII system. >>>>>>> Where the letter number is repeated. >>>>>>> Second way: >>>>>>> English lettter: 1, 2, 3, 4, 5, ... upto 99 >>>>>>> Russian letter: 100, 101, 102, 103, 104...upto 199 >>>>>>> Hindi letter: 200, 201, 202, 203, 204... up to 299 >>>>>>> Punjabi letter: 300, 301, 302, 303, ... up to 399. >>>>>>> Chinese letter: 400, 401, 402, 403, 404 >>>>>>> In this method, the letter numbers is not repeated! in different >>>>>>> language. >>>>>>> This is the Unicode system of coding. >>>>>>> Now the final reply: >>>>>>> It is already cleared that computer recognizes a letter by its code >>>>>>> number; if the Unicode system is followed, it recognizes the exact >>>>>>> letter because there is no repeating of the letter code number. >>>>>>> If the letters coded in ASCII encoding, the repeat of number takes >>>>>>> places and computer does not recognizes which language or letter it >>>>>>> belongs. >>>>>>> Take an example: >>>>>>> if you went to a school and asked the headmaster about the >>>>>>> performance >>>>>>> of your kid having roll number ten; Can the headmaster exactly judge >>>>>>> which is the student? >>>>>>> Definitely not, because there are many students having roll number >>>>>>> ten. >>>>>>> If the school have a roll number system as in unicode; he can >>>>>>> immediately know who is the kid because in Unicode there will be >>>>>>> only >>>>>>> one student having roll number ten in the school. >>>>>>> Same case happens to screen reader to recognize the exact letter. >>>>>>> That is why It recognizes if in Unicode but does not if in ASCII >>>>>>> code. >>>>>>> >>>>>>> Him Prasad Gautam >>>>>>> Kathmandu, Nepal >>>>>>> >>>>>>> >>>>>>> >>>>>>> Register at the dedicated AccessIndia list for discussing >>>>>>> accessibility >>>>>>> of >>>>>>> mobile phones / Tabs on: >>>>>>> http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in >>>>>>> >>>>>>> >>>>>>> Search for old postings at: >>>>>>> http://www.mail-archive.com/accessindia@accessindia.org.in/ >>>>>>> >>>>>>> To unsubscribe send a message to >>>>>>> accessindia-requ...@accessindia.org.in >>>>>>> with the subject unsubscribe. >>>>>>> >>>>>>> To change your subscription to digest mode or make any other >>>>>>> changes, >>>>>>> please >>>>>>> visit the list home page at >>>>>>> http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in >>>>>>> >>>>>>> >>>>>>> Disclaimer: >>>>>>> 1. Contents of the mails, factual, or otherwise, reflect the >>>>>>> thinking >>>>>>> of >>>>>>> the >>>>>>> person sending the mail and AI in no way relates itself to its >>>>>>> veracity; >>>>>>> >>>>>>> 2. AI cannot be held liable for any commission/omission based on the >>>>>>> mails >>>>>>> sent through this mailing list.. >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> Register at the dedicated AccessIndia list for discussing >>>>>> accessibility >>>>>> of >>>>>> mobile phones / Tabs on: >>>>>> http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in >>>>>> >>>>>> >>>>>> Search for old postings at: >>>>>> http://www.mail-archive.com/accessindia@accessindia.org.in/ >>>>>> >>>>>> To unsubscribe send a message to >>>>>> accessindia-requ...@accessindia.org.in >>>>>> with the subject unsubscribe. >>>>>> >>>>>> To change your subscription to digest mode or make any other changes, >>>>>> please >>>>>> visit the list home page at >>>>>> http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in >>>>>> >>>>>> >>>>>> Disclaimer: >>>>>> 1. Contents of the mails, factual, or otherwise, reflect the thinking >>>>>> of >>>>>> the >>>>>> person sending the mail and AI in no way relates itself to its >>>>>> veracity; >>>>>> >>>>>> 2. AI cannot be held liable for any commission/omission based on the >>>>>> mails >>>>>> sent through this mailing list.. >>>>>> >>>>> >>>>> >>>>> >>>>> Register at the dedicated AccessIndia list for discussing >>>>> accessibility >>>>> of >>>>> mobile phones / Tabs on: >>>>> http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in >>>>> >>>>> >>>>> Search for old postings at: >>>>> http://www.mail-archive.com/accessindia@accessindia.org.in/ >>>>> >>>>> To unsubscribe send a message to >>>>> accessindia-requ...@accessindia.org.in >>>>> with the subject unsubscribe. >>>>> >>>>> To change your subscription to digest mode or make any other changes, >>>>> please >>>>> visit the list home page at >>>>> http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in >>>>> >>>>> >>>>> Disclaimer: >>>>> 1. Contents of the mails, factual, or otherwise, reflect the thinking >>>>> of >>>>> the >>>>> person sending the mail and AI in no way relates itself to its >>>>> veracity; >>>>> >>>>> 2. AI cannot be held liable for any commission/omission based on the >>>>> mails >>>>> sent through this mailing list.. >>>>> >>>> >>>> >>>> -- >>>> Him Prasad Gautam >>>> Kathmandu, Nepal >>>> >>>> >>>> >>>> Register at the dedicated AccessIndia list for discussing accessibility >>>> of >>>> mobile phones / Tabs on: >>>> http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in >>>> >>>> >>>> Search for old postings at: >>>> http://www.mail-archive.com/accessindia@accessindia.org.in/ >>>> >>>> To unsubscribe send a message to >>>> accessindia-requ...@accessindia.org.in >>>> with the subject unsubscribe. >>>> >>>> To change your subscription to digest mode or make any other changes, >>>> please >>>> visit the list home page at >>>> http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in >>>> >>>> >>>> Disclaimer: >>>> 1. Contents of the mails, factual, or otherwise, reflect the thinking >>>> of >>>> the >>>> person sending the mail and AI in no way relates itself to its >>>> veracity; >>>> >>>> 2. AI cannot be held liable for any commission/omission based on the >>>> mails >>>> sent through this mailing list.. >>>> >>> >>> >>> >>> Register at the dedicated AccessIndia list for discussing accessibility >>> of >>> mobile phones / Tabs on: >>> http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in >>> >>> >>> Search for old postings at: >>> http://www.mail-archive.com/accessindia@accessindia.org.in/ >>> >>> To unsubscribe send a message to >>> accessindia-requ...@accessindia.org.in >>> with the subject unsubscribe. >>> >>> To change your subscription to digest mode or make any other changes, >>> please >>> visit the list home page at >>> http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in >>> >>> >>> Disclaimer: >>> 1. Contents of the mails, factual, or otherwise, reflect the thinking of >>> the >>> person sending the mail and AI in no way relates itself to its veracity; >>> >>> 2. AI cannot be held liable for any commission/omission based on the >>> mails >>> sent through this mailing list.. >>> >> >> >> -- >> Best Regards >> Bhavya Shah >> E-mail Address :- bhavya.shah...@gmail.com >> Skype -> bhavya.09 >> >> >> >> Register at the dedicated AccessIndia list for discussing accessibility >> of >> mobile phones / Tabs on: >> http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in >> >> >> Search for old postings at: >> http://www.mail-archive.com/accessindia@accessindia.org.in/ >> >> To unsubscribe send a message to >> accessindia-requ...@accessindia.org.in >> with the subject unsubscribe. >> >> To change your subscription to digest mode or make any other changes, >> please >> visit the list home page at >> http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in >> >> >> Disclaimer: >> 1. Contents of the mails, factual, or otherwise, reflect the thinking of >> the >> person sending the mail and AI in no way relates itself to its veracity; >> >> 2. AI cannot be held liable for any commission/omission based on the >> mails >> sent through this mailing list.. >> > > > -- > Him Prasad Gautam > Kathmandu, Nepal > > > > Register at the dedicated AccessIndia list for discussing accessibility of > mobile phones / Tabs on: > http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in > > > Search for old postings at: > http://www.mail-archive.com/accessindia@accessindia.org.in/ > > To unsubscribe send a message to > accessindia-requ...@accessindia.org.in > with the subject unsubscribe. > > To change your subscription to digest mode or make any other changes, please > visit the list home page at > http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in > > > Disclaimer: > 1. Contents of the mails, factual, or otherwise, reflect the thinking of the > person sending the mail and AI in no way relates itself to its veracity; > > 2. AI cannot be held liable for any commission/omission based on the mails > sent through this mailing list.. >
Register at the dedicated AccessIndia list for discussing accessibility of mobile phones / Tabs on: http://mail.accessindia.org.in/mailman/listinfo/mobile.accessindia_accessindia.org.in Search for old postings at: http://www.mail-archive.com/accessindia@accessindia.org.in/ To unsubscribe send a message to accessindia-requ...@accessindia.org.in with the subject unsubscribe. To change your subscription to digest mode or make any other changes, please visit the list home page at http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in Disclaimer: 1. Contents of the mails, factual, or otherwise, reflect the thinking of the person sending the mail and AI in no way relates itself to its veracity; 2. AI cannot be held liable for any commission/omission based on the mails sent through this mailing list..
