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Q. Describe Miscellaneous and Privileged Instructions?
These instructions don't fit in any of above categories. I/O instructions: start I/O, stop I/O, and test I/O. Characteristically I/O destination is specified as an address. Interrupts and state-swapping operations: There are two types of exceptions first is interrupts which are produced by traps andhardwarethat are produced by programs. Upon receiving interrupts the state of current processes would be saved so that they can be restarted after interrupt has been taken care of.
Most computer instructions are categorizedin two categories, non-privileged and privileged. A process executing in privileged mode can execute all instructions from instruction set whereas a process running in user mode can only execute a sub-set of the instructions. I/O instructions are one illustrations of privileged instruction, clock interrupts are another one.
What are the major characteristics of a pipeline? The major characteristics of a pipeline are: a) Pipelining cannot be executed on a single task, as it works by splitting mu
Why is the data bus in most microprocessors bidirectional while the address bus is unidirectional? Data Bus: These lines are used to send data to memory by output ports and
Design a 8 to 1 multiplexer by using the fourvariable function given by F(A, B, C, D) = ∑ m(0,1,3,4,8,9,15). Ans. Design of 8 to 1 Multiplexer: It is a four-variable function a
State about AGP The latest addition to many computer systems is the inclusion of accelerated graphics port (AGP). AGP operates at the bus clock frequency of the microprocessor.
Write an HTML program segment that contains hypertext links from one document to another . HTML permits any item to be placed as a hypertext reference. Therefore a single word
What is meant by refreshing of the screen? Some method is required for maintaining the picture on the screen. Refreshing of screen is completed by keeping the phosphorus glowi
Think about call of two intrinsic functions discussed above for a 32-Processor (4×8) Multicomputer: The function call NUMBER_OF_PROCESORS () will return 32.
write an assembly language program for fibonacci series?
What are the Process states? By the courses of implementation, processes change state. Status of a process is express by its present activity. Dissimilar practical states of
what is the basic diff between mbr and mdr
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