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

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)

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: (d)

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

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)

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.