IT &computer MCQ section 3 Practice Questions Answers Test with Solutions & More Shortcuts
IT & computer PRACTICE TEST [7 - EXERCISES]
IT &computer MCQ section 1
IT &computer MCQ section 2
IT &computer MCQ section 3
IT &computer MCQ section 4
IT &computer MCQ section 5
IT &computer MCQ section 6
IT &computer MCQ section 7
Question : 31 [SSC CGL 2016]
In IT, means that the data available in the database is both accurate and consistent.
a) Data Binding
b) Data Security
c) Data Availability
d) Data Integrity
Answer »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.
Question : 32 [SSC CGL 2015]
The two specific heats of gases are related by :
a) Cp – Cv = RJ
b) Cp + Cv = RJ
c) Cp – Cv = R/J
d) Cp / Cv = R
Answer »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:
- for doing work in expansion and
- 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.
Question : 35 [SSC CGL 2016]
Money transfer through mobile is called __________.
a) IMPS
b) IFSC
c) ATM
d) IFS
Answer »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.
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