Management Science Essay

4685 WordsAug 30, 201419 Pages
Training On Post-Graduate Diploma in Information and Communication Technology (PGDICT) Term Paper on Course Code: PGDICT-102 Course Name: Operating System (Windows & Linux) Submitted To: Mohammad Jabed Morshed Chowdhury Trainer & Admin Programmer, Access to Information (A2I) Bangladesh Computer Council (BCC) Submitted By: Name: Md. Rafiuddin Biplab ID No: P-201420031 Batch No: PGDICT-20th (Morning) Submission Date: 27-08-2014 Chapter 1: Introduction OPERATING SYSTEM An operating system is an interface between the hardware of a computer and the user (programs or humans) that facilitates the execution of other programs and the access to hardware and software resources. Two major design goals of an operating system are: 1. Efficient use of hardware 2. Ease of use of resources An OS is a program which acts as an interface between system users and the computer hardware. The purpose of an operating system is to provide an environment in which a user can execute programs in a convenient and efficient manner. WHAT OPERATING SYSTEMS DO One of the operating system's main tasks is to control the computer's resources—both the hardware and the software. The operating system allocates resources as necessary to ensure that each application receives the appropriate amount. In addition to resource allocation, operating systems provide a consistent application interface so that all applications use the hardware in the same way. This is particularly important if more than one type of computer uses the operating system or if the computer's hardware is likely to change. By having a consistent application program

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