The operating system can be broken into pieces that are smaller in size and this type of operating system is called MS-DOS, an UNIX OS and OS which is having greater control over the computer.When a layered structure is used then we can divide the OS into different layers and ... Read More

The four primary components of the Unix OS are as follows −Unix KernelThe Unix Kernel is called the core of OS because of its role in managing all the internal processes of the operating system, from booting the system from a zero state to managing processes and memory in a ... Read More

In an operating system different modules are involved and all these modules perform different tasks at different stages. Modules are the basic structure of an operating system.The modules are designed for performing a specific task and these services are dynamically implemented by all the operating systems and a number of ... Read More

Kernel is the main part of an Operating System. It is the first program that is loaded after the boot loader whenever we start a system. The Kernel is present in the memory until the Operating System is shut-down.Kernel provides an interface between the user and the hardware components of ... Read More

Kernel is the main part of an Operating System. It is the first program that is loaded after the boot loader whenever we start a system. The Kernel is present in the memory until the Operating System is shut-down.Kernel provides an interface between the user and the hardware components of ... Read More

To begin with, let us understand the advantages and disadvantages of MS-DOS Operating System.MS-DOS Operating systemAdvantagesThe advantages of MS-DOS Operating System are as follows −MS-DOS is a lightweight system and it allows direct access to all hardware with the help of the command line.This operating system is very lightweight.It also ... Read More

In an operating system a user is able to use different types of system programs and the system program is responsible for all the application software performance of the computer.The system programs are responsible for the development and execution of a program and they can be used by the help ... Read More

The design goals in operating system are as follows −Concurrent SystemsOperating systems must handle multiple devices as well as multiple users concurrently. It is a must for modern multiple core architectures. Due to these features the design of the operating system is complex and very difficult to make.Security and PrivacyOperating ... Read More

In computers there are different types of computing technologies and all are different from each other. By using this we are finding output based on the input given by the user.In a computing environment the user can use a particular computing technology and it is responsible for all the types ... Read More

The differences between programmed (Input/Output) I/O and interrupt-driven I/O are as follows −Programmed I/OThis I/O technique is the simplest to exchange data between external devices and processors. In this technique, the processor or Central Processing Unit (CPU) runs or executes a program giving direct control of I/O operations.Processor issues a ... Read More