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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.
Artificial Intelligence 1. Explain about artificial intelligence? What are the achievements of AI? 2. Elaborate state space search briefly. 3. Prove that A* is optimal.
Q. Explain about common addressing modes? Most of machines use a set of addressing modes. The following tree displays common addressing modes: Figure: Common Addres
Suppose you work in a network security company, and you need to prepare a survey report of a particular security issue of wireless networking. To start with, select an area of wire
Differentiate between pre-emptive and non-pre-emptive scheduling. Pre-emptive scheduling : in its approach, center processing unit can be taken away from a process if there is a
Explain how a centralized SPC organization works under load sharing operation. Under load sharing operation, an incoming call is allocated randomly or in a predetermined sequen
In the view of the M364 module team, HCI has been superseded by ID. This is because HCI traditionally concentrated upon desktop computers with single users, whereas ID includes the
The information in ROM is stored ? Ans. By the manufacturer throughout fabrication of the device.
Q. Find the average of two values? Find the average of two values which are stored in ; Memory locations named FIRST and SECOND ; And puts result in memory location AVG
What are local objects? Local objects (Dev class$TMP) are independent of correction & transport system
What is DMA operations? State its advantages. In order to transfer bulk amount of data among memory and I/O device without involvement of CPU, the Direct Memory Access metho
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