Managing Resources in an Operating Systems

Question 1

security

Answer 1

• Allows creation and deletion of user accounts.
• Allows users to logon and change passwords

Question 2

peripherals such as input and output devices

Answer 2

receives data input from a mouse/ keyboard and sends data output to monitor/ printer

Question 3

printing using spooling

Answer 3

Data is stored on a hard disk/in memory/stored in a queue.
* Document is printed when printer is free/in correct order.
* Benefit of spooling – user can carry on working/log off when waiting for job to print

Question 4

backing store

Answer 4

Ensures data is stored and can be retrieved correctly from any disk drive.
Organises files in a hierarchical directory structure

Question 5

RAM

Answer 5

Ensures that programs/data do not corrupt each other.
* Ensures that all programs and data, including itself, are stored in correct memory
locations

Question 6

processes

Answer 6

• Ensures that different processes can utilise the CPU and do not interfere with each other
  or crash.