IT &computer MCQ section 1 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (a)

ENIAC (Electronic Numerical Integrator and Computer) was the first electronic general-purpose computer. Charles Babbage, at the University of Pennsylvania’s Moore School of Electrical Engineering, was one of its co-inventors.

Answer: (c)

When the page (data) requested by a program is not available in the memory, it is called a page fault.

It occurs when a program accesses a page that has been mapped in address space but has not been loaded in its main memory (RAM). This usually results in the application being shut down.

Answer: (c)

The Epson HX-20 (also known as the HC-20) is generally regarded as the first laptop computer, announced in November 1981, although first sold widely in 1983.

It was hailed by Business Week magazine as the “fourth revolution in personal computing”.

Answer: (a)

WiMAX stands for Worldwide Interoperability for Microwave Access. It is a family of wireless communication standards based on the IEEE 802.16 set of standards, which provide multiple physical layers (PHY) and Media Access Control (MAC) options.

WiMAX is sometimes referred to as “Wi-Fi on steroids” and can be used for broadband connections, hotspots, etc.

Answer: (b)

The First supercomputer was Cray XMP-14 which was installed at National Centre for Medium Range Weather Forecasting, New Delhi, in 1989. Param was developed by C-DAC Pune in 1991.