Compare the advantages and disadvantages of a magnetic tape sequential file with a direct access disc file.
(i) Sequential file organization Organization of records in a specific sequence based on a key, such as part number or employee ID is called Sequential file organization. Records in sequential files must be processed one after another.
(ii) Direct access disc It is a basic type of storage medium that allows information to be accessed by positioning the medium or accessing mechanism directly to the information required, thus permitting direct addressing of data locations. It takes a longer time to process the data in magnetic tape Sequential file system where a data can be processed quickly in comparison to direct access disc file.
(i) Sequential file organization Organization of records in a specific sequence based on a key, such as part number or employee ID is called Sequential file organization. Records in sequential files must be processed one after another.
(ii) Direct access disc It is a basic type of storage medium that allows information to be accessed by positioning the medium or accessing mechanism directly to the information required, thus permitting direct addressing of data locations. It takes a longer time to process the data in magnetic tape Sequential file system where a data can be processed quickly in comparison to direct access disc file.
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