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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.
Von Neumann architecture was first majoranticipated structure for general-purpose computer. However before consideringmain components of von Neumann architecture let us first elabo
Explain the Reference Count The system relates a reference count along with each memory area to point out the number of its active users. This number is incremented while a us
What is a client in SAP terminology? A S/W component that uses the service (offered by a s/w component) is known as a Client. At the similar time these clients may also be ser
Development of information system must be considered as capital investment: The developer of an information system must think about different solutions of a particular problem and
data associate to a class is called a ....?
Register Transfer We assign computer registers by capital letters to denote function of the register. Such as, the register which holds an address for memory unit is usually
Draw the Context level DFD for the Safe home Software.
What is concurrent control? Control resides concurrently in various independent objects, every a separate task. A task can wait for input but other task continues implementatio
The use of distributed shared memory in parallel computer architecture however the use of distributed shared memory has the problem of accessing the remote memory that results in l
What is refactoring? Refactoring is explained as the changes to the internal structure of software to improve its design without changing its external functionality. It is an e
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