IT &computer MCQ section 1 MCQ Questions & Answers Detailed Explanation

Answer: (b)

Round robin is the scheduling algorithm used by the CPU during the execution of the process. Round robin is designed specifically for time-sharing systems.

It is similar to the first come first serve scheduling algorithm but the preemption is the added functionality to switch between the processes.

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: (d)

DVD stands for Digital Versatile Disk. It is an optical disc storage format, invented and developed by Philips, Sony, Toshiba and Panasonic in 1995.

When first invented, DVD stands for Digital Video Disk. Later on, DVD Forum proposed the backronym Digital Versatile Disk.

Answer: (c)

A Wide Area Network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, or national boundaries) using private or public network transports.

Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations.

In essence, this mode of telecommunication allows a business to effectively carry out its daily function regardless of location.

Answer: (d)

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