Explain disk scheduling algorithms-shortest seek time first, Operating System

Assignment Help:

SSTF (Shortest Seek Time First)

After a demand go to the closest request in the work queue regardless of direction
Decrease total seek time compared to FCFS
Disadvantages
Starvation is probable stay in one area of the disk if very busy
Switching directions deliberates things down

Related Discussions:- Explain disk scheduling algorithms-shortest seek time first

10 marks, Differentiate between sequential access and direct access method?...

Differentiate between sequential access and direct access method?

Explain lru additional reference bits algorithm, Additional Reference bits...

Additional Reference bits algorithm Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register conta

Deadlocks, At the end of this lecture, and into the next lecture, we will d...

At the end of this lecture, and into the next lecture, we will discuss the last major type of logical error that can occurwhen programming with threads. A deadlock occurswhen two t

Define the dosexecpgm function used in the os/2, Define the DosExecPgm Func...

Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut

Define loader that executed when system is first turned on, Define a loader...

Define a loader that is executed when a system is first turned on or restarted? Bootstrap loader is executed when a system is first turned on or restarted

What is independent process, What is independent process? A process is ...

What is independent process? A process is independent it cannot influence or be affected by the other processes implementing in the system. Any process does not share data with

Memory pages, Applications allocate memory in terms of the number of bytes ...

Applications allocate memory in terms of the number of bytes that they need, but this level of granularity is too ?ne-grained for the operating system to manage the system memory i

Define drawback of distributed systems, Define drawback of Distributed syst...

Define drawback of Distributed systems Reliability is a drawback of Distributed systems

What disadvantages are there to this two-level directory, What disadvantage...

What disadvantages are there to this two-level directory? Without other provisions, two users who require cooperating with each other are hampered in reaching every other's fi

What are the advantages of indexed allocation, What are the advantages of I...

What are the advantages of Indexed allocation? The benefits are a. No external-fragmentation problem b. Solves the size-declaration problems. c. Supports direct access

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages