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

Answer: (a)

The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is known as piggybacking.

The principal advantage of using piggybacking over having distinct acknowledgement frames is a better use of the available channel bandwidth.

Answer: (c)

A bug in a program is an error.

Answer: (d)

Memory management provides ways to dynamically allocate portions of memory to programs at their request, and free it for reuse when no longer needed.

It enables the allocation of additional memory space or release of unwanted space at run time for optimizing the use of storage space. It provides flexibility in adding, deleting or rearranging data items at run time.

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: (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: (d)

An address consists of an offset, a base register and an index register.