Tag: science & technology

Data Warehouses (DWH) are characterized as non-volatile (data is stable once loaded) and subject-oriented (organized around major subjects like customers, sales). They are NOT volatile - that's a characteristic of operational databases. 'Subjective' is incorrect; the correct term is 'subject-oriented'. Both non-volatility and being subject-oriented are fundamental DWH characteristics.

Option C is correct. Mehar Moose was the first Indian woman to reach Antarctica as part of the Indian Antarctic Program. This is a factual question about Indian polar exploration history.

Option D is correct. Samudragupta of the Gupta Empire was called the 'Indian Napoleon' by his court poet Harishena in the Allahabad Pillar inscription, praising his military conquests. Option A was India's first President, Option B was a physician and freedom fighter, Option C was India's first Deputy PM and Home Minister.

Option C is correct. India won the ICC Cricket World Cup in 1983 under Kapil Dev's captaincy, defeating the West Indies in the final at Lord's. This was a historic victory as India was considered underdogs.

James Gosling developed Java in 1995 at Sun Microsystems. He is widely known as the 'Father of Java.' Dennis Ritchie created the C programming language, Donald D. Chamberlin co-developed SQL, and 'Hawkin' is not associated with any major programming language.

Dennis Ritchie created the C programming language in 1972 at Bell Labs. He was also a co-developer of UNIX. Donald D. Chamberlin developed SQL, and the other options are fictional or incorrect attributions for C language development.

The data warehouse concept was pioneered by Paul Murphy and Barry Devlin at IBM in the 1980s. They published influential papers defining the architecture and purpose of data warehouses for business intelligence. Harry G and Paul edmund are not recognized as key contributors to data warehousing concepts.

The iPhone was developed and introduced by Apple Inc., with Steve Jobs announcing its launch in January 2007. Apple is the company that created, manufactured, and sells the iPhone. Orange, Google, and Yahoo are technology/telecommunications companies but were not involved in the iPhone's development.