The level hierarchy of a computer system consists of different levels that connect the computer with the user which makes the use of the computer. It also explains how the computational activities are performed on the computer.The different levels of computer system level hierarchy are as follows −Level 0 − ... Read More

The Windows Operating System is one of the most used Operating Systems in the world. It is known for its user-friendliness, interactive and simple user interface. There are certain issues with the windows operating system that need to be resolved in order to improve its performance even further.Some of these ... Read More

Operating systems allow user application applications to interact with the system hardware. The operating system itself does not provide any functionality but provides a situation where various programs and systems can perform useful functions.It is software which handles the computer's functionality like scheduling, input/output operation resource allocation, files system manipulation, ... Read More

An operating system allows the user application programs to interact with the system hardware. Operating systems provide an atmosphere where different applications and programs can do useful work, but it does not provide any function by itself.The operating system is observed from the user point of view or system point ... Read More

Computer structure is the way that each component is arranged so that communication is possible.The structure of a computer is simple, and that can be represented in below diagram −Parts of ComputerThe computer structure in general, divided into five main parts, which are as follows −Input devicesOutput devicesI / O ... Read More

The operating system is software which handles the computer's functionality like scheduling, input/output operation resource allocation, file system manipulation, etc.It acts as an interface between the computer hardware and the user.Operating Systems ServicesThe services offered by the operating system are as follows −Input/Output operationResource allocationFile system manipulationUser interfaceProgram executionCommunicationSecurityThe two ... Read More

A computer has several modules, with possibly more than one instance of each.The system hardware consists of the following −KeyboardDisplayPrinterCPU BoardMemory BoardI/O BoardThe keyboard, display and printing devices need an interface so that it interacts with the system and the I/O board provides that interface for communication, that interacts is ... Read More

The operating system (OS) acts as a manager for all the I/O device, memory, CPU, file storage resources and allocates them to specific programs and users, whenever necessary to perform a particular task. Therefore, the operating system is the resource manager that means it can manage the resources of a ... Read More

A modern computer consists of the following −One or more processorsMain memoryDisksPrintersVarious input/output devicesSo, in order to manage all these components, we require a layer of software in the computer system, that layer we call the Operating System (OS).DefinitionAn Operating System is a program that acts as an intermediary or ... Read More

A computer system consists of many resources like hardware and software, which are useful to complete a task. The common required resources are input/output devices, memory, file storage space, CPU etc.The operating system acts as a manager for all the above resources and allocates them to specific programs and users, ... Read More