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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.
Compare pre-emptive and non-preemptive scheduling policies. We preempt the currently executing process in preemptive scheduling. In non-preemptive we permit the current process
A subroutine can be terminated unconditionally using EXIT. True.
Explain the following the address instruction? Three-address instruction-it can be represented as add a,b,c Two-address instruction-it can be shown as Add a,b
What is .NET / .NET Framework? It is a Framework in which Windows applications might be developed and run. The Microsoft .NET Framework is a platform for building, deploying,
Discuss in detail Table management Techniques? An Assembler uses the subsequent tables: OPTAB: Operation Code Table consists of mnemonic operation code and machine langua
In a time multiplexed space switching system, one speech sample appears every? One speech sample shows every 125 micro sec, in a time multiplexed space switching system.
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Question: (a) A computer network can be a LAN or a WAN. Using appropriate diagrams and examples, explain what you understand by the term LAN. Your answer should also explain
develop system engineering hirarcy for public health care?
Explain the term- Hacking Use of passwords and ids to prevent illegal access to files. Also locking the computer itself or locking computer room can help here. Encryption s
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