worlds first computer mouse turns 40

If you can scroll down this page using your page, first give a big thanks to Dr Douglas Engelbart.

Yes, today is the birthday for the worlds first computer mouse and its turned to 40. December 9, 1968 the world's mouse was first introduced to the public, conducted by Dr Douglas Engelbart in California.

World's first computer mouse image

It was a demonstration of interactive computing , an event now acknowledged as the mother of all demos'.

World's first mouse demo : Doug Engelbart 1968 Demo

Happy Birthday Computer Mouse !!!

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AIDS history

December 1st of every year is world AIDS day and AIDS history time line is very well presented and very informative.

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See here or click on the images to see the interesting and interactive HIV / AIDS Time line since 1981

In South India, Bangalore is the place sells highest number of Condoms. In Bangalore, the highest selling place is Koramangala. Is it due to IT ?

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PIN Codes in India

Interesting facts about PIN Codes

How to read PIN Code in India

First digit in PIN code indicates one of the regions (north, south,east west).
The first 2 digits together indicate the sub region or one of the postal circles.
The first 3 digits together indicate a sorting / revenue district.
The last 3 digits refer to the delivery Post Office.


First one digit of PIN Indicates which Region in India

PIN code starts with 1 and 2 is for North India
PIN code starts with 3 and 4 is for West India
PIN code starts with 5 and 6 is for South India
PIN code starts with 7 and 8 is for East India


The first 1 digits of PIN indicates
PIN code starts with 1 is for the Indian Stages Delhi, Haryana, Punjab, Himachal Pradesh, Jammu & Kashmir
PIN code starts with 2 is for the Indian Stages Uttar Pradesh and Uttaranchal
PIN code starts with 3 is for the Indian Stages Rajasthan and Gujarat
PIN code starts with 4 is for the Indian Stages Chattisgarh ,Maharastra and Madhya Pradesh
PIN code starts with 5 is for the Indian Stages Andhra Pradesh and Karnataka
PIN code starts with 6 is for the Indian Stages Kerala and Tamil Nadu
PIN code starts with 7 is for the Indian Stages West Bengal, Orissa and North Eastern
PIN code starts with 8 is for the Indian Stages Bihar & Jharkand


The first 2 digits of PIN indicates
11 Delhi
12 and 13 Haryana
14 to 16 Punjab
17 Himachal Pradesh
18 to 19 Jammu & Kashmir
20 to 28 Uttaar Pradesh
30 to 34 Rjasthan
36 to 39 Gujarath
40 to 44 Maharastra
45 to 49 Madhya Pradesh
50 to 53 Andhra Pradesh
56 to 59 Karnataka
60 to 64 Tamil Nadu
67 to 69 Kerala
70 to 74 West Bengal
75 to 77 Orissa
78 Assam
79 North Eastern
80 to 85 Bihar




All Bangalore PIN Codes starts with 5600
First 2 digits of Karnataka State PIN Codes is 56 to 59

In Bangalore Post Offices around 500000 snail mails every day and around 40000 are not delivered due to incorrect address, wrong PIN codes etc.

So who ever sending a letter, make sure that write a correct address with pin code with a readable hand writing.

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Team work in Bangalore

'Team work' is the keyword to success. The Bangalore kids are learning it in a 'practical way' from their way from home to school.



Today morning I noticed a small car (Maruti Omni 5 seater) which packed with kids near Marathalli Over Bridge, Bangalore. I don't know exactly the total number of kids in the entire cab. In the front seat there were 6 to 7 children squeezed and sitting. A kid is sitting on the lap of the driver too. Its happening in the peak hours traffic in Bangalore.



If parents wants to save money and they are ready to take the risk of their children, then at least the school authority should take action to stop these kind of transportation to the school.

Recently I read an article about an RTO chased a brand new school bus in the Highway and seized it because of the improper documents. Good job, but why the same RTOs are not seeing such incidents in the heart of the city.

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