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

Answer: (a)

Immediate Payment Service (IMPS) is an instant interbank electronic fund transfer service through mobile phones. The customer should have a sufficient account balance to initiate a fund transfer through this method.

Unlike NEFT and RTGS, the service is available 24×7 throughout the year including bank holidays.

Answer: (c)

Tata Consultancy Services emerged as the country’s No. 1 software exporter in 2001-02 with an export earning of Rs. 3,882 crore.

Infosys occupied the second position with Rs. 2,553 crore while Wipro was the third-largest software exporter with export revenue of Rs. 2,298 crore.

Answer: (a)

Icons on the screen of a computer are picture commands.

Answer: (a)

Loader is a program that places programs into memory and prepares them for execution.

Answer: (c)

There are two specific heats of gases- Specific Heat at Constant Pressure (Cp ) and Specific Heat at Constant Volume (Cv ).

Heat supplied at constant pressure is used up in two ways:

1. for doing work in expansion and
2. for raising the temperature by 1°C,

while at constant volume heat supplied is used only for the rise of temperature. Therefore, Cp is always greater than Cv.

They are related as Cp -Cv = R/J. This relation is called Mayer’s Relation.

Answer: (d)

Data integrity is the maintenance of, and the assurance of the accuracy and consistency of, data over its entire life-cycle. It is a critical aspect to the design, implementation and usage of any system which stores, processes, or retrieves data. Data integrity is the opposite of data corruption, which is a form of data loss.