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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Describe about the Layered computer design Introduction Layered computer design focuses on computer design. It uses top-down, layered approach to design and also to improve
Constant Current Sources An ideal constant current source delivers a given current to a circuit regardless of the voltage required to do so. . Constant current supplies are r
Q. What is control function? If transfer is to take place only under a predetermined control condition then this condition can be specified as a control function. For illustrat
The Concept of Parallel Execution and Concurrent Real world systems are obviously concurrent, and computer science is about modelling the actual world. Examples of actual worl
A computer system that allows multiple users to run programs at similar time Multi tasking system
Explain Turing reducibility? Exponential time algorithms typically happens when we solve by searching by a space of solutions known as brute -force search
Synchronous dynamic random access memory (SDRAM) is dynamic random access memory (DRAM) that is initialized with the system bus. Classic DRAM has an asynchronous interface, which m
An event handler is a part of a computer program formed to tell the program how to act in response to a definite event.
IP specified that datagram can arrive in a different order than they were sent. If a fragment from one datagram arrives at a destination before all the segments from a previous dat
Permanently resident pages: Every virtual memory systems have memory areas that are "pinned down", for example cannot be swapped out to secondary storage, for instance:
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