IT &computer MCQ section 3 MCQ Questions & Answers Detailed Explanation

Answer: (c)

PARAM is a series of supercomputers designed and assembled by the Centre for Development of Advanced Computing (C-DAC) in Pune, India. The latest machine in the series is the PARAM Yuva. PARAM 8000, which was installed in 1991, is considered as India’s first supercomputer.

Answer: (c)

The third-lowest layer of the OSI Reference Model is the network layer. It is responsible for packet forwarding including routing through intermediate routers. Routers forward data packets between computer networks.

A data packet is forwarded from one router to another through the networks that constitute the internetwork until it reaches its destination node.

Answer: (b)

The control unit maintains order within the computer system and directs the flow of traffic(operations) and data.

The arithmetic-logic unit (ALU) performs all arithmetic operations (addition, subtraction, multiplication, and division) and logic operations. These two have special-purpose storage called Registers.

Answer: (a)

The ‘AND’ gate in computers has basic application of multiplication. It has two or more inputs and one output. An ‘AND’ gate produces an output of 1 if all the inputs are 1 if any of the inputs is zero then it produces an output of zero.

Answer: (a)

In a Database Management System (DBMS), the content and the location of the data is defined by the Metadata. Metadata is “data about data”.

It assists in resource discovery by allowing resources to be found by relevant criteria, identifying resources, bringing similar resources together, distinguishing dissimilar resources, and giving location information.

Answer: (a)

Finance Minister in his Budget speech on 28th February 2011 said that “Five years ago, we took an initiative to introduce a modern and people-friendly e-stamping facility in the country. Only six states have introduced this system so far.

I propose to launch a new scheme with an outlay of Rs 300 crore to provide assistance to States to modernise their stamp and registration administration and roll out stamping in all the districts in the next three years.”