UGC NET Paper1 Previous Year Solved Papers MCQ - 2nd December 2019 Evening Shift

Bing is a web search engine launched by Microsoft in 2009. Bing provides a variety of search services, including web, video, image and map search products. As of October 2018, Bing is the third largest search engine globally, with a query volume of 4.58%, behind Google (77%) and Baidu (14.45%).
The internet is the wider network that allows computer networks around the world run by companies, governments, universities and other organisations to talk to one another. Skype is software that enables the world>s conversations. Many people and businesses use Skype to make free video and voice one-to-one and group calls, send instant messages and share files with other people on Skype.
Adobe Acrobat is a family of application software and Web services developed by Adobe Inc. to view, create, manipulate, print and manage files in Portable Document Format.

The Montreal Protocol was signed in 1987 and entered into force in 1989. The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth's ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depleting substances.

A valid argument is a deductive argument that succeeds in providing decisive logical support.
An argument is VALID in case of the following hypothetical or conditional property:
If all the premises are true, then the conclusion cannot be false; it must be true OR It is impossible for all the premises to be true but the conclusion false.
This suggests that a valid argument cannot have all true premises and a false conclusion. So, if a valid argument does have a false conclusion, it cannot have all true premises. Thus, at least one premise must be false.

Nalanda University was one of the earliest Universities in the world founded in the fifth century by Gupta ruler Kumargupta. The curricula of the university offered the study of abstract knowledge like Philosophy, religion, Buddhism and scientific thoughts in astronomy, mathematics, anatomy etc. in each classroom, there used to be hundreds of students and they were not allowed to go outside until the lecture was over. Only students receiving higher education could get admission here. The first student had to take the exam for admission. Entrance was possible only after passing it. There were 2,000 teachers to teach 10,000 students here.