Thursday, July 9, 2009

Quiz#3

1.)What are the major activities of an Operating System with regards to PROCESS MANAGEMENT?

Ans.
-Process creation
-Process creation and deletion
-Process suspesion and resumption
-Provision of mechanism for:-Process synchronization
-Process communication
-Deadlock handling

2.)What are the major activities of an Operating System with regards to MEMORY MANAGEMENT?

Ans.
-To improve both CPU utilization and response speed,several programs are kept in memory.
-Keep track of which parts of memory are currently being used and by whom.
-Decide which process to load when memory space becomes available.
-Allocate and Deallocate memory space as needed.




3.)What are the major activities of an Operating System with regards to SECONDARY-STORAGE MANAGEMENT?

Ans.
-Free space management
-Storage allocation
-Disk scheduling

4.)What are the major activities of an Operating System with regards to FILE MANAGEMENT?

Ans.
-File creation and deletion
-Derictory creation and deletion
-Support of primitives for manipulating files and directories
-File backup on stable storage media
-Mapping files onto secondary storage

5.)What is the purpose of the COMMAND INTERPRETER?

Ans.
It reads commands from the user or from a file of commandsand executes them, usually by
turning them into one or more systemcalls. It is usually not part of the kernel since the
command interpreteris subject to changes.

No comments: