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Software Development Life Cycle

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SOFTWARE DEVELOPMENT LIFE CYCLE   This software development life cycle most of used in software developing industry. Software development life cycle (SDLC) is a process used by the software industry to design , develop and test high quality software. The SDLC aim produce high-quality software that meets or exceeds customer expectations, reaches completion within times and cost estimates.               SDLC is a framework defining tasks performed at each step in the software development process. Requirement analysis  Feasibility study Design Coding  Testing Install deploy Maintain   Requirement analysis                          It is the most important phase in software development life cycle (SDLC) in which all the information is gathered from customers, Users and other stockholders. This stage gives a clear picture of the scope of the en...

Polonnaruwa | History

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P olonnaruwa A fter ruling the country for over 1,400 years, the Kingdom of Anuradhapura fell in 1017 to the Chola King RajaRaja and his son Rajendra, who took King Mahinda V as a POW to Tamil Nadu; where he died in 1029. The Cholas shifted the capital from Anuradhapura to Polonnaruwa and ruled for nearly 53 years. Polonnaruwa was named as Jananathapuram by the Cholas. King Vijayabahu I (or Kitti) eventually defeated the Cholas and re-established the Sinhalese monarchy. Polonnaruwa had always been considered an important settlement in the island, as it commanded the crossings of the Mahaveli River towards Anuradhapura.   3 years after restoring Anuradhapura, Vijayabahu prepared to fight a possible invasion. He moved the capital out of Anuradhapura to a more defensive position, Polonnaruwa. After the victory at Polonnaruwa, Vijayabahu had to face more rebellions. This caused him to delay his coronation, which took place in 1072 or 1073, ] eighteen years after being crowned as...

Sigiriya Sri Lanka | History

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CHINA GREAT WALL

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What is antivirus?

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සුන්දර මැවීමක්

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Chinese rice story ..

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Just thinking that Sri Lanka as well as China has a history of rice or not. China covers an area of ​​9,596,961 square kilometers and currently has a population of about 1.4 billion. Most rice is produced south of the Huai River, in the Yangtze Valley, the Xu Jiang Delta, and the Yunnan Guizhou and Siuman provinces. Also, as research has shown, there is evidence that people cultivated rice during the early Neolithic periods of Lijiyakun and Yunchenyan, but have these types of rice been cultivated by humans now? Or added as wild rice? Is already raising an unresolved issue. Somehow Washington d. According to the report, in 1998 Crawford and Shen reported that the first AMS and carbon tests on rice were at least 7000 BC. But what is important is that most of the rice remains found in China date back to less than 5,000 BC. Also in the spring and autumn there is an improvement in the farming technology revolution. Cast iron, iron, tools are also widely used by animals. Also in Sri Lanka as...