COMPUTER SCIENCE AND ENGINEERING
SOFTWARE ENGINEERING
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
data manipulation
|
|
|
data hiding
|
|
|
Both A and D
|
|
|
data abstraction
|
Detailed explanation-1: -A data abstraction is a named collection of data that describes a data object. In the context of the procedural abstraction open, we can define a data abstraction called door.
Detailed explanation-2: -Data abstraction is the reduction of a particular body of data to a simplified representation of the whole. Abstraction, in general, is the process of removing characteristics from something to reduce it to a set of essential elements.
Detailed explanation-3: -Data extraction or data abstraction (in North America) or data charting (in social sciences) is the process of data collection from the existing relevant literature. To start the process, you need to design a Data Extraction Form.
Detailed explanation-4: -Data Abstraction refers to the act of representing essential features without including the background details or explanations. A Switchboard is an example of Data Abstraction.
Detailed explanation-5: -Data abstraction in DBMS means hiding unnecessary background details from the end user to make the accessing of data easy and secure. In DBMS, there are 3 levels of data abstraction: Physical Level or Internal Level: This is the layer where the raw data is stored in file format on physical hard drives.