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This is an alternate view about the services performed by the OS. The OS system provides an orderly and controlled allocation of the processors, memories and I/O devices. When a computer has multiple users the need for managing and protecting the memory, I/O devices and other devices is greater. Thus the primary task of OS is to keep track of who is using which resource, to grant resource requests, to mediate conflicting requests from different programs etc. Resource management includes multiplexing resources in two ways - "in time" and "in space". (i)When a resource is time multiplexed different programs or different users gets their turn to use that resource. eg: Printer. (ii)When a resource is space multiplexed instead of taking turns, the resource is shared among them, ie each one gets a part of the resource. eg: Sharing main memory, hard disk etc.
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What program is like the manager of all other programs?
The operating system.
How do I uninstall your operating system to install a new system?
There is no uninstaller for an operating system. To remove an OS, simply format the partition that holds the operating system. If you use a boot manager to choose between different operating systems the software should automatically detect missing operating systems for you.
Difference between user view and system view of operating system?
User view: 1) the user view of the computer system varies by the interface being used. System view: 1)the operating system is a program that is most intimate with computer h/w. User view: 2)The OS is designed for "ease of use" some attention paid to none paid resource utilization. System view: 2)we can view an os is resource allocator. The os as act as the manager of the system. User view: 3) Some user sit at a terminal connected to mainframe or minicomputer. User share resources & may exchange information. That is designed for resource utilization. System view: 3)os was exist because they are reasonable way to solve the problems at creating a usable Computer system. The goal of pc is to execute user program and make solving problems easier.
Why is system call needed in operating system?
System calls are used whenever a program needs to access a restricted resource, eg a file on the hard disk, any hardware device, or when it needs to print or draw to the screen
Why do modern machines consist of multiple levels of virtual machines?
Modern machines do not consist of multiple levels of virtual machines; that is a function of the host operating system's virtual machine manager and its guest operating systems, all of which are implemented through software. The operating system's virtual machine manager exposes one or more virtual machines upon which you can host one or more guest operating systems and their applications. In order to execute compiled Java applications upon one of these guest operating systems you will also need to install the Java virtual machine for that specific operating system. Thus you end up with a Java program executing within a Java virtual machine executing within a virtual machine executing within a virtual machine manager executing upon the physical hardware. The physical hardware itself may be optimised to handle virtual machine managers more efficiently, but the virtual machine manager is a software program; it is not part of the physical machine architecture
Why operating system is called resource manager?
operating system is the system software .operating system is communicate with the hardware .so it provide space & cpu time etc to the proceeses performed by the os
What is football manager 2013 resource archiver?
The 2013 football manager resource archiver is a system in the game Football Manager. To use the resource achiever you can extract graphics and make logos.
What part of the operating system is responsible for managing the system resources?
resource
Operating system manges memory?
An Operating System manages resources. Memory is one example of resource management.
Operating system view as a resource allocator?
a computer system has many resources 1. hardware and 2:software which are required to solve the problems like memory space,file storage etc .os acts as a manager for these resources so it is viewed as resource allocator
Which components of an operating system maintains the directory system?
file manager
Features and functions of operating system?
features of operating systemsThe kernel.File manager.Scheduler.Process manager.
What operating system uses Top for the task manager?
Windows is the operating system that uses Top for the task manager. Windows is the only thing that has a task manager monitor, and it has easy access to all the processes and services.
When it is appropriate for the operating system to forsake this principle and waste resources?
When the operating system has to compromise between individual usability and resource utilization.
What is the definition of resource utilization in operating system?
a
What is example of shareable resource in operating system?
Read only files.
What program is like the manager of all other programs?
The operating system.
