COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two characteristics of Serial (Sequential access):
A
Files are stored one by one in a sequence
B
Stores files so that they can instantly be accessed
C
Must search through the files one by one until you get to the one you want.
D
Direct Access of data using search indexing
Explanation: 

Detailed explanation-1: -A sequential file contains records organized by the order in which they were entered. The order of the records is fixed. Records in sequential files can be read or written only sequentially. After you place a record into a sequential file, you cannot shorten, lengthen, or delete the record.

Detailed explanation-2: -With sequential access, the device must move through all information up to the location where it is attempting to read or write. This method is often contrasted with random access, where the device may move directly to a specified location in memory.

Detailed explanation-3: -Hard disk drive. Solid state drive.

Detailed explanation-4: -Sequential files are simple to design and effective for storing a huge amount of data records. One needs to access the information in the same order every time, making it faster than the random access method. More items

There is 1 question to complete.