FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

EXTERNAL AND INTERNAL 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: -Serial / Sequential Access A serial (or sequential) access storage device is one that stores files one-by-one in a sequence. A non-computer serial access device that will be familiar to you is a VHS videotape.

Detailed explanation-2: -1. Sequential access media-which store records sequentially, one after the other. 2. Direct access storage devices (DASD)-which can store either sequential or direct access files.

Detailed explanation-3: -Pros of sequential file organization It contains a fast and efficient method for the huge amount of data. In this method, files can be easily stored in cheaper storage mechanism like magnetic tapes. It is simple in design. It requires no much effort to store the data.

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