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                 elibraryrit.blogspot.com Watch assignment -2 ms excel-  Click here👈    Assignment - Download pdf

 Unit-1     Download pdf  Unit-2 part 1 -  Download pdf               Part-2  Download pdf Unit-3 part-1 -  Download pdf             Part-2   Download pdf Unit-4 part-1  Download pdf           Part-2  Download pdf Unit-5  Download pdf

            elibraryrit.blogspot.com BIOS (basic input/output system) is the program a computer's  microprocessor  uses to start the computer system after it is powered on .   It also manages data flow between the computer's operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer . History of BIOS The term BIOS was first coined in 1975 by American computer scientist Gary Kildall. It was incorporated into IBM's first personal computer in 1981 and, in the years to come, gained popularity within other PCs, becoming an integral part of computers for some time. However, BIOS' popularity has waned in favor of a newer technology: Unified Extensible Firmware Interface ( UEFI ). Intel announced a plan in 2017 to retire support for legacy BIOS systems by 2020, replacing them with UEFI. Uses of BIOS The main use of BIOS is to act as a middleman between OSes and the hardware they ...

          elibraryrit.blogspot.com Linux Linux is one of popular version of UNIX operating System. It is open source as its source code is freely available. It is free to use. Linux was designed considering UNIX compatibility. Its functionality list is quite similar to that of UNIX. Components of Linux System Linux Operating System has primarily three components Kernel  − Kernel is the core part of Linux. It is responsible for all major activities of this operating system. It consists of various modules and it interacts directly with the underlying hardware. Kernel provides the required abstraction to hide low level hardware details to system or application programs. System Library  − System libraries are special functions or programs using which application programs or system utilities accesses Kernel's features. These libraries implement most of the functionalities of the operating system and do not requires kernel module's code access rights. System...

             elibraryrit.blogspot.com What is Windows Operating System? By definition, an Operating System is a group of several GUIs (Graphical User Interface) families, all of which are developed, sold and marketed by Microsoft.  The latest version of Microsoft Operating System which is being widely used across the world is Windows 10.  Development of Windows It was 1983 when work on “Interface Manager” was started by Microsoft but it was in November 1995, when the first Windows 1.0 was introduced. Later on, with developments in technology, the requirement of the people and increased demand for Graphical User Interface, Microsoft kept releasing revised versions of Operating Systems. The image given below shows the different Microsoft Operating Systems along with the year in which they were introduced: Versions of Windows Operating System Let us understand the different versions of Windows Operating System along with the features of each of ...