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Multiprogramming
Multiprogramming means capability of several programs to simultaneously occupy a portion of the computer’s memory and compete for central processor time.
The CPU switches from one program to another as soon as it is idle due to input/output calls. Due to this, the utilization of CPU is optimized and CPU efficiency becomes very high compared to Batch Processing Systems.
even though most systems only distinguish among user and kernel modes, some CPUs provide multiple modes. Multiple modes could be used to provide a finer-grained security strategy.
OSI Layers: Open Systems Interconnection model is a reference model developed by International Organization for Standardization in 1984, as a conceptual structure of principles fo
Write a program that: 1. Ask the user for names of the two iput files and a name of an output file. The two input files contain integers in any order. Eachimput file contains no mo
convert the following in to binary 108
what is input and output device? explain meaning of input and output devices
Editor and Assembler: To write a program in any of the programming languages requires an editor. This is a program that is used to create text files. While saving the p
The cost of building and maintaining an organizational computing ecosystem has become a bigger part of most organizations’ budgets. Organizations have been looking for ways to redu
Networking Operating Systems, Networking OS provides file sharing, Networking OS provides communication scheme, NT Server Security added Multi user capability added RAI
A car battery is of 12 V. Eight dry cells of 1.5 V each connected in series can give 12 V. But such cells are not used in starting a car. Why?
Source and Object Programs A set of instructions in a high-level language are called “Source program”. Since high-level languages are machine independent, it is required to fir
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