Skip to main content

EVOLVING ROLE OF SOFTWARE

EVOLVING ROLE OF SOFTWARE

Software is both a product and a vehicle for delivering a product.

Popular posts from this blog

OPERATING SYSTEM || UNIT III || Memory Management - Basic Concept of Memory - Address Binding - Logical & Physical Address Space

  OPERATING SYSTEM UNIT III Memory Management ·          Memory Management is the process of coordinating and controlling the memory in a computer, Blocks are assigning portions that are assigned to various running programs in order to optimize the overall performance of the system. Computer Memory ·          Computer memory can be defined as a collection of some data represented in the binary format. ·          On the basis of various functions, memory can be classified into various categories. We will discuss each one of them later in detail. ·          A computer device that is capable to store any information or data temporally or permanently is called storage device. Need for Memory Management in OS Memory management technique is needed for the following reasons: Allocate and de-allocate memor...

Operating System || Unit I || Process Management

  Operating System Unit I Process Management Introduction to Process: A program in execution is called a process. The execution of a process must progress in a sequential fashion. In order to complete its task, process needs the computer resources. A process can be defined as an entity which represents the basic unit of work to be implemented in the system. The operating system has to manage all the processes which require the same resource at the same time , in a convenient and efficient way. The Process Management Involves, Scheduling processes and threads on the CPUs. Creating and deleting both user and system processes. Suspending and resuming processes. Providing mechanisms for process synchronization. Providing mechanisms for process communication. Process Architecture A program becomes a process, when it is loaded into the memory. A process in memory can be divided in 4 sect...