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All components of computer communicate with processor by the system bus. Which means I/O devices required to be attached to system bus. But I/O devices aren't connected directly to computer's system bus. In its place they are attached to an intermediate electronic device interface known as a device controller that in turn is attached to system bus. Therefore a device controller is an interface between a system bus and an I/O device. On one side it knows how to communicate with I/O device associated to it and on the other it knows how to communicate with computer's CPU or processor and memory via the system bus.
Q. Write an interrupt routine to handle 'division by zero'? This file can be loaded just like a COM file though makes itself permanently resident until the system is running.
What are the role of an operating system? Sharing the Processor Virtual Machine: Resource management: Memory Management
What is electronic cash? E-cash is cash that is demonstrated by two models. One is on-line type of e-cash that allows for the completion of all kinds of internet transactions.
When the get cursor command used in interactive lists? If the hidden information is not enough to uniquely recognize the selected line, the command GET CURSOR is used. The GET
write a program in assembly language using emu8086 so that the input string can contain both lower and upper case letters and any other character and the output will be the reverse
SPC is used for (A) Carrying Exchange Control Functions (B) Carrying Subscriber Control Functions (C) Exchange Hardware (D) Signalling Purpose Ans:
Discuss in detail the features, benefits and implementation of JIT inventory system. JIT - Just in Time inventory systems - meaning, origin, need for JIT, benefits, Use of JIT
Q. Describe about directory in DOC? We all know that, the volume of the hard disk is generally quite large (10 MB to a few GB). You can keep hundreds or even thousands of files
Problem: Develop three sub-systems namely Staff Profiling System, Inventory Management System and Time-tabling systems. (a) Show about any three design patterns you have us
What do you mean by polynomial and exponential bounds? Bounds of the form nc for c greater than 0 .such a bound are known as polynomial bounds. Bounds of the form 2(n ) .suc
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