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Explain Real Time Operating System?
Real time operating System:
A real-time operating system has suitably-defined, fixed time constraints. Processing should be done in the defined constraints or else the system will fail. A real time system is seems to function correctly only if this returns the accurate result in any time constraints. Therefore the following features are desirable in a real-time operating system (OS):
1. Multi-tasking in an application
2. Capability to define the priorities of tasks
3. Priority deadline or driven oriented scheduling
4. Programmer defined interrupts.
A star connected intermediate exchange is known as a? A star connected intermediate exchange is termed as a Hub exchange.
FDDI (Fiber Distributed Data Interconnect) is an example of? Fiber Distributed Data Interconnect is an illustration of token ring.
Describe functions of data flow diagram After you have roughly designed data flow diagram, you could write a description of each function and you could describe the function i
Telephone companies normally provide a voltage of to power telephones? Telephone companies usually give a voltage of to power telephones -48 volts DC.
Q. What do you mean by Supercomputers? The upper end of state of art mainframe machine is supercomputers. These are among the fastest machines in terms of processing speed and
What is Inheritance? Inheritance is the method of deriving a feature of super class into sub class. Every sub class inherits the attributes, operations and association of its s
What are Grouping Notations These notations are boxes into which a model could be decomposed. Their elements includes of packages, frameworks and subsystems.
Dynamic partitioning: To rise above from difficulties with fixed partitioning, partitioning can be done dynamically, which called dynamic partitioning. Having it, the primary
What is an I/O buffer? What is the advantage of buffering? Is buffering always effective? Justify your answer with help of an example. One type of I/O requirement arises from
Q. Show Arithmetic Subtraction? The subtraction can be done easily using 2's complement by taking 2's complement of value which is to be subtracted (inclusive of sign bit) and
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