Answer:
Step-by-step explanation:
The correct answer is c. all of the above.
Disks, such as hard disks and floppy disks, are convenient for being the secondary storage because they have the following characteristics:
It is possible to read a block from the disk, modify the block, and write it back into the same place. This is known as "random access" and it allows the computer to read and write data to any location on the disk quickly and efficiently.
A disk can access directly any block of information it contains. This means that the computer can access any block of data on the disk without having to read through all of the other blocks first.
Both of these characteristics make disks a convenient choice for secondary storage because they allow the computer to quickly and easily access, modify, and store data on the disk.
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