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

Question : 1 [SSC CHSL 2014]

What is the full form of ALU ?

a) Arithmetic Least Unit

b) Alternative Logic Unit

c) Arithmetic Logic Unit

d) Arithmetic Local Unit

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.

Question : 2 [SSC GL 2013]

Identify the LIFO (Last In First Out) structure among the following:

a) De-queue

b) Stack

c) Queue

d) Array

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.

Question : 3 [SSC CGL 2010]

As announced by the Finance Minister in his Budget speech on 28th February 2011, with a view to assisting States in modernising their stamp and registration administration, E-stamping is expected to be rolled out in all the districts of different States in a period of

a) three years

b) one year

c) two years

d) five years

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.”

Question : 4 [SSC CGL 2015]

In a Database Managemnt System (DBMS), the content and the location of the data is defined by the ____.

a) Meta data

b) Multi Dimensional data

c) Sequence data

d) Sub data

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.

Question : 5 [SSC CGL 2002]

The basic application of an ‘AND’ gate in computers is for:

a) multiplication

b) addition

c) subtraction

d) division

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.

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