Questions

C++ is not an Operating System.

An Operating System is a collection of system programs that manages all the other programs application programs in a computer as well as the allocation and use of hardware resources such as the CPU, Memory and the Hard Disk Drive.

It acts as an interface between the hardware and the user level program.

It controls and facilitates the overall operation of a computer. 

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UNIX : UNIX is a popular multi-user, multitasking operating system (OS) developed at Bell Labs.

Windows NT : Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

DOS : DOS is Disk Operating System. The term DOS can refer to any operating system.

C++ : C++ is a programming language and computing platform.

Hence, C++ is not an Operating System.

Karst is a type of landscape that is characterized by caverns, caves, sinkholes, and underground streams. These features were all caused by erosion of the underlying rock.

Limestone type of rock usually underlies a karst landscape.

Mc Adam devised the method of making 'Pakka' roads. which is also called macad-amized' roads named after him

Gross domestic product (GDP) is the monetary value of all the finished goods and services produced within a country's borders in a specific time period.

Simply, GDP is a broad measurement of a nation’s overall economic activity. 

It is calculated by summation of Consumption, investment, government purchases, and net exports.

The harvest festival of Baisakhi popularly celebrated in North India coincides with the Songkran festival of Thailand, the Thingyan in Myanmar and the Aluth Avurudda in Sri Lanka. In all the latter three festivals, the coming of a New Year is the central theme and involves various indigenous ways of celebrations.

We know that each successive IE is greater than the previous one, because each ionization process removes one electron and hence increases the total attractive force on the remaining electrons from the nucleus. Hence, C3+ (g) → C4+ (g) + e- needs more energy.