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Why are interrupt masks provided in any processor?
Interrupt mask enable the higher priority devices comes first and there for lower priority devices comes last. The interrupt enable bits as a bit vector is known as interrupt mask. Which enables / disables the devices according to the correct configuration of the mask?
What is multiprogramming or multitasking? The operating system manages the concurrent implementation of several application programs to make the best possible uses of computer
Q. Write short note on Interfacing Keyboard, giving block diagram. Why do we need to introduce circuitry called Keyboard Status Word Generator?
Q. Design a half adder? In half adder inputs are: The augend let's say 'x' and addend 'y' bits. The outputs are sum 'S' and carry 'C' bits. Logical relationship betwee
What are the end-to-end layers of OSI structure? The layers 4 to 7 of ISO-OSI reference model communicate along with peer entities into the end systems. Now here is no communi
Drawbacks to resolution theorem: Thus the underlining here identifies some drawbacks to resolution theorem proving: It only works for true theorems that can be expresse
Question: (a) Primary and secondary memory differs in their way they access data: (i) Mention the four generic access methods usually present in a computer system. (ii) E
RAM parity checking is the storing of a redundant parity bit showing the parity odd or even of a small amount of computer data typically one byte stored in random access memory, an
Q. Define syntax of MPI_Bcast function? MPI_Bcast(msgaddr, count, datatype, rank, comm): This function is used by a process ranked rank in group comm to transmit messag
What is a co-processor? What is its use in a typical microprocessor based system. 8087 NDP (numerical data processor) is also called math co-processor which is used in parallel
Q. Explain about Programmer Visible Registers? Programmer Visible Registers: These registers can be employed by machine or assembly language programmers to minimize reference
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