ENUMERATION

Question 1

What are the three types of devices?

Answer 1

Dedicated Devices, Shared Devices, Virtual Devices

Question 2

Give examples of dedicated devices.

Answer 2

• Tape drives
• Printers
• Scanners
• Plotters

Question 3

List examples of storage media.

Answer 3

• CD ROM
• DVD ROM
• DAT tape
• DLT tape
• Disk drives
• SSD
• Flash Drive

Question 4

Storage media are divided into which two groups?

Answer 4

Sequential Access Storage Media, Direct Access Storage Devices (DASD)

Question 5

What are the three categories of Direct Access Storage Devices

Answer 5

• Magnetic disk
• Optical disc
• Flash memory

Question 6

Provide examples of flash memory storage.

Answer 6

• USB flash drives
• SSDs
• Memory cards
• Smartphones
• Tablets

Question 7

What are the several ways to access files?

Answer 7

• Sequential File Access
• Direct File Access
• Indexed File Access

Question 8

What are the types of files?

Answer 8

• Ordinary files
• Directory files
• Special file

Question 9

What are the special file types?

Answer 9

• Character special files
• Block special files

Question 10

List the file operations.

Answer 10

• Create
• Delete
• Open
• Close
• Read
• Write
• Append
• Seek
• Rename

Question 11

What are the types of directory structure?

Answer 11

• Single-level directory structure
• Two-level directory structure
• Tree-structured directory structure

Question 12

What are the layers of the File Management System Structure?

Answer 12

• Application program layer
• Logical file system layer
• File organization module layer
• Basic file system layer
• I/O control interface layer
• Physical hardware device layer