In: Computer Science
1)
Low level formatting
| 
 divides a disk into sections that the disk controller can read and write.  | 
||
| 
 is usually performed by the purchaser of the disk device  | 
||
| 
 is different from physical formatting  | 
||
| 
 does not usually provide an error-correcting code  | 
2)
Find the match up from the first column - the type of system calls to the second column - the categories normally supplied by the Operating System .
  | 
  | 
1) Low level formatting is a formatting method to create track and sector on the hard disk.
sol. a) divides a disk into sections that the disk controller can read and write
2)
Attach or detach remote devices - Communication (E)
Open file, close file - File Management (C)
Get/set Device attributes - Device Management (D)