Tuesday, February 17, 2009

The Agra fort, built by Moghul Emperor Shahjahan


The Agra fort, built by Moghul Emperor Shahjahan, is situated next to the gardens of the Taj Mahal. An important Moghul monument of the17th century, it is a powerful fortress, constructed of red sandstone and hence its name the ‘Red Fort of Agra’.

Within its enclosure walls of 2.5 kilometres, it encompasseses the imperial city of the Moghul rulers, which comprises fairy-like palaces, such as the Jahangir Palace or the Khas-Mahal and the reception room where visitors were received. Within its boundaries the fortress also has two very beautiful mosques.

It was declared a World Heritage Site in 1983 on the recommendation of the international Committee of UNESOC at its 7th session.

The Buddhist Vihara at Paharpur


The Buddhist Vihara at Paharpur, 200 Kilometres northwest of Dhaka, was founded in 7th century. It is the largest single Buddhist monastery in the Indian subcontinent and is also known as the Somapura Mahavira, the Great Monastery. It was a renowned intellectual centre from the 7th century until the 17th century. Its layout is perfectly adapted to its religious function. This monastery- city represents a unique artistic achievement which has influenced Buddhist architecture as far away as Combodia. It was declared a World Heritage Site in 1985 at the 9th session of the 21- member international committee.

Shatgombug Mosque

Though a small country, Bangladesh has three World Heritage Sites: the historic Shatgombus Mosque of Bagerhat, the ruins of the Buddhist Vihara at Paharpur and the Sundarbans.

The Shstgombuj Mosque is a 15th century Islamic edifice situated in the suburbs of Bagerhat, on the edge of the Sundarbans, some 175 km southwest of Dhaka. It is an enormous Moghul architectural site covering a very large area. The mosque is unique in that it has sixty pillars, which support seventy- seven exquisitely curved domes that have worn away with the passage of time. The mausoleum of the city’s founder, Khan Jahan Aii can be found nearby. With the declaration of the mosque as a World heritage Site, it is hoped that this beautiful architectural monument will be preserved from further decay.

World Heritage Site

A world Heritage Site is a place (natural or cultural) recognized by the international community in the shape of the World Heritage Convention declared by UNESCO in 1972, as possessing universal value, and coming under a collective responsibility for its preservation. A country nominates a site to the Convention, and a decision on whether to include it in the World Heritage list is made by a 21- member international committee.

Saturday, February 7, 2009

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Wednesday, February 4, 2009

Electronic mail, popularly known as ‘E- Mail’

Electronic mail, popularly known as ‘e- mail’, is the communication of textual messages via electronic means. Although telex communication is also electronic in nature, there are differences between a telex and e-mail. While telex communication is terminal-to-terminal, electronic mail communication is user-to-user via the computer. In telex, messages destined to a number of users are sent to the same terminal from where it is distributed in a printed from by an operator. On the other hand, e-mail is individual
electronic mail boxes based in computers. In order to operate an e-mail system we need a personal computer, a modem and a telephone connection.

An important advantage of e-mail is its ability to reduce the consumption of paper in the office. Internal memos and reports can be exchanged electronically without using paper. Begin a computer-based messaging system, files prepared on computers can be instantly copied and easily exchanged as e-mail. This facility has the potential of improving office efficiency considerable.

Being a person-to-person communication, e-mail turns out to be a cheaper alternative to telephone conversation and eliminates the time spent in establishing phone calls a. for a telephone conversational to materialize; both the caller and the called must be present simultaneously. Some studies indicate that as much as 70 per cent of the business phone calls during business hours do not succeed in the first attempt due to unavailability of the party being called. E-mail permits communication between two parties without the parties actually being present simultaneously. Privacy is ensured as the mail is delivered to an individual’s mail box which can be accessed or opened only by the intended recipient.

E-mail has brought about a revolution in modern communication. Messages can be transmitted fro one country to another within seconds. It is far cheaper than telephone calls. Trade and commerce has become greatly dependent on this speedy mode of communication. It has, however, not reached every one, especially in developing countries like ours, as most people cannot afford to have a personal computer. But even here people have started suing commercially operated e-mail facilities for important purposes.

Tuesday, February 3, 2009

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Monday, February 2, 2009

FAX: Document exchange through facsimile or telefax



Document exchange through facsimile (popularly known as fax) systems is emerging as a major application of telecommunication due to its speed of transmission. A telephone connection is necessary for operating it. The fax machine is capable of transmitting and receiving printed matter, which may include graphics, drawings, pictures, handwritten texts, etc. this is highly suitable for business and official purposes which deal mostly with paper documents.
There are two types of fax systems- the photographic and document. In the photographic fax, black and white, as well as gray level information is transmitted and printed. Typically there are 8 and 16 levels that can be recognized by the system. The document system handles only black and white levels. Generally the document facsimile is more popular than the photographic system. The receiver/ transmitter functions, which are applicable to both the types of fax systems.
Faxed messages are received immediately after being sent and has thus become an important tool for correspondence in the world of business, trade and commerce. It is also used for many different types of personal and official correspondence. It is cheaper than using the telephone. It takes less than a minute to fax one A4 size page of written message from Dhaka to Chittagong, Rajshahi, Khulna, Barisal, or any other town in Bangladesh, and it costs about 25 taka for that. The same message would take about 5 minutes over the telephone and would cost 3-4 times more than what it takes to fax. That is why people prefer the fax to the telephone.

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Sunday, February 1, 2009

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