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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.
Build data Flow diagrams showing functional dependencies Data flow diagrams are very useful for showing functional dependencies. In data flow diagrams processes are indicated
Depth First Search - artificial intelligence: Depth first search is very similar to breadth first, except for that the things are added to the top of this agenda rather than o
Input device used in computer system: An input device is typically a mouse or keyboard, the input device is the conduit through which data and instructions enter a computer. A
Q. Show the Features of a typical floating-point representation? The features of a typical floating-point representation of 32 bits in above figure are: Left-most bit is
The octal equivalent of (247) 10 is ? Ans. (247) 10 = (367) 8
A group of 20 servers carry traffic of 10 erlangs. If the average duration of a call is three minutes, calculate the number of calls put through by a single server and the group as
Explain the Trackball and Thumbwheel devices Joysticks A joystick consists of a small, vertical lever (called the stick) mounted on a base that is used to steer the screen
Design a game application that plays the children's game of rock, paper, scissors. The user enters a letter indicating a choice. The Math.random method is then used to pick a value
third partial product of 13*11 in binary
Communications between the user and the server A significant enhancement was achieved when communications between the user and the server was sent in encrypted form and later
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