IT &computer MCQ section 3 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (d)

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

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 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.