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System Software
System software is a group of programs written to service another programs. Some system software (e.g., compilers editors and file management utilities) processes are difficult but determinate information structures. Other systems application (e.g., operating system components drivers telecommunications processors) process largely indefinite data. In both cases the systems software area is characterized by serious interaction with computer hardware heavy usage by numerous users; concurrent operation that needs scheduling resource sharing and sophisticated process management ; multiple external interfaces and complex data structures.
Process: pid start time end time priority timeslice list of CPU bursts list of IO bursts (the number of IO burst will always be 1 less than the number of CPU
What is graceful degradation? In multiprocessor systems, failure of one processor will not halt the system, but only slow it down by sharing the work of failure system by other
What is virtual memory? Virtual memory is a method used in some large computer systems that allow the user to construct program as by a large memory space were available, equal
The message queue provides the information about sizes of queues under utilization of various processors. It points to size of every processor incoming message queue that would be
What is testing? List its types. Testing ensures that the application is suitable for actual use and that it truthfully satisfies the requirements. Types are: Unit te
State the data flow diagramming conpects The approach to data flow diagramming is as follows: Create a data flow diagram for each of major outputs of system Work ba
State the SELECTIVE CLEAR - logic micro operations The selective-clear operation clears to 0 bits in register A only where there are corresponding 1's in the register B. For
MsgBox is a built in VB function which shows a Message Box and MsgBoxQ is a function definite by the user.
Q. Describe about Address Space and Memory Space? An address used by a programmer will be termed as a virtual address and set of such addresses the address space. An address in
Is the ROM a volatile memory? Explain Ans. No, ROM is a Non-Volatile memory. Programming of ROM includes making of the needed interconnections at the time of fabrication and
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