[amp_mcq option1=”Indexed” option2=”sequential” option3=”direct access” option4=”random access E. None of the above” correct=”option1″]
The answer is sequential.
Sequential access is a data access method where data is accessed in a linear order, one record after the other. This is the simplest and most efficient way to access data when all of the data needs to be processed.
Indexed access is a data access method where data is accessed using an index. An index is a data structure that maps keys to data records. This allows data to be accessed in a non-linear order, which can be more efficient than sequential access if only a small subset of the data needs to be processed.
Direct access is a data access method where data is accessed directly by its address. This is the most efficient way to access data, but it requires that the data be stored in a specific way.
Random access is a data access method where data can be accessed in any order. This is a more general term than sequential access or direct access, and it can refer to either of those methods.
In the case where one has to process all the data records in a file, the best file organization is sequential. This is because sequential access is the most efficient way to access data when all of the data needs to be processed.