IT &computer MCQ section 2 MCQ Questions & Answers Detailed Explanation

Answer: (d)

The term “Information Technology” (IT) has been variously defined. It is defined as the coming together of computing and telecommunications for the purpose of handling information; the application of technologies to information handling; including generation, storage, processing, retrieval and dissemination.

It is a broad-based term comprising the gathering (acquisition), organization (packaging), storage and retrieval (dissemination) of information. Internet is an essential component of it.

Answer: (c)

ALU stands for arithmetic-logic unit which is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. It is a fundamental building block of the central processing unit found in digital computers.

Answer: (b)

In computer science, LIFO refers to the way items stored in some types of data structures are processed. A LIFO structure can be illustrated with the example of a stack of trays.

The term in computing generally refers to the abstract principles of list processing and temporary storage, particularly when there is a need to access the data in limited amounts, and in a certain order.

Answer: (c)

Fifth-generation computing devices, based on artificial intelligence, make use of parallel processing and superconductors. Built around the concepts of logic programming, they will be applicable to knowledge information processing systems.

The goal of the fifth generation is to develop a device that could respond to natural language input and are capable of learning and self-organization.

Answer: (a)

A hard copy is a printed copy of information from a computer. Sometimes referred to as a printout, a hard copy is so-called because it exists as a physical object.

The same information, viewed on a computer display or sent as an e-mail attachment, is referred to as a soft copy.

Answer: (b)

ENIAC was the first electronic general-purpose computer. It was Turing-complete, digital, and capable of being reprogrammed to solve a full range of computing problems. The 18,000-tube ENIAC was completed in 1946.