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Q. Illustrate control and timing signals?
The requirement of I/O from different I/O devices by processor is quite unpredictable. In fact it relies on I/O needs of particular programs and generally doesn't follow any pattern. Because the I/O interfaces also shares memory and system bus for data input/output, control and timing are required to coordinate the flow of data to/from external devices from/to processor or memory. For illustration control of the transfer of data from a peripheral device to processor might include subsequent steps:
1. The processor enquires from I/O interface to check status of attached device. Status can be busy, ready or out of order.
2. I/O interface returns device status.
3. If device is operational and ready to transmit then processor requests transfer of data by a command that is a binary signal to I/O interface.
4. I/O interface attains a unit of data (for example 8 or 16 bits) from external device.
5. Data is transferred from I/O interface to processor.
Q. Explain about Local Area Network? Local Area Network (LAN): It is privately owned communication systems that cover up a small area, say a complex of buildings or school. Le
Magnify a triangle with vertices A = (0,0), B = (3,3) and C = (6,4) to twice its size in such a way that A remains in its original position.
Q. Show the Noframes Tag? tag can be used for those browsers which aren't able to interpret tags. Even though most, if not all, of your visitors would
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Level of any node of a tree is :- Its distance from the root
where should I work?
Transfer Functions Change the last bilinear interpolated images and the original images into the frequency domain using the FFT. Try to measure the magnitude transfer functio
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