Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
What are the services provided by the operating systems?
Program Development
It provides a variety of services and facilities, such as debuggers and editor, to help the programmer in creating programs.
Program execution
It handles scheduling duties like implementation of programs and loading instruction and data into the main memory. Initializing files and I/O device.
Access to I/O devices
OS provides a uniform interface that covers the inner details, thus that the programmer can access any device using simple read and writes.
Controlled access to files
For multiple users it provides protection system to access the file. It controls the right to use of the system and resources. It protects data and resources from unauthorized users.
Error detection and response
OS provides response that clears both external and internal hardware errors.
Q. The accelerating search for described in subsequent exercise is typical of hard-disk drives. By contrast floppy disks and several hard disks manufactured before the mid-1980s t
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Q. What merit is there in having different time-quantum sizes on different levels of a multilevel queuing system? Answer: Processes that require more frequent servicing for ins
When the Page fault frequency in an operating system is reduced Locality of reference is appropriate to the process
When you run a program on your UNIX system, the system prepares a special environment for that program. This environment owns everything needed for the system to execute the progra
What is meant by file management systems? File Management systems are as well referred to as simply a file system .File system is the system that an OS operating system or prog
What is the purpose of system programs? System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require
What is the main advantage of multiprogramming? Multiprogramming makes efficient use of the CPU by overlapping the demands for the CPU and its I/O devices from various users. I
COMPARISON OF DISK SCHEDULING ALGORITHMS Name Description Remarks (Selection according to requestor) RSS Random scheduling fo
Operating Systems 1. Illustrate the Microkernel Architecture with suitable diagram. 2. When Deadlock occurs? What are the Necessary Conditions for Deadlock? 3. Describe f
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd