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A commercial interface unit uses different names for the handshake lines associated with the transfer of data from the I/O device into the interface unit. The interface input handshake line is labeled STB (strobe), and the interface output handshake line is labeled IBF (input buffer full). A low-level signal on STB loads data from the I/O bus into the interface data register. A high-level signal on IBF indicates that the data item has been accepted by the interface. IBF goes low after an I/O read signal from the CPU when it reads the contents of the data register.
a. Draw a block diagram showing the CPU, the interface, and the I/O device together with the pertinent interconnections among the three units.
b. Draw a timing diagram for the handshaking transfer.
c. Obtain a sequence-of-events flowchart for the transfer from the device to the interface and from the interface to the CPU.
Calculate soil moisture using daily (or any other scale) precipitation and temperature . Use the Richard's Equation and Darcy's law (Or any theory you like attached to soil moisture content determination ).
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a segment of urban four-lane two lanes in each direction has a 3 upgrade that is 455m long followed by a 305m 4
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In the late 1990's the U.S. Army Corps of Engineers designed an experiment to model the flow of the Tennessee river downstream of the Kentucky Lock and Dam.
A flow of 125,000 gallons per day enters a sedimentation basin which is 20 feet wide, 60 feet long and 12 feet deep. What is the minimum settling velocity of a particles that will be 100% removed by the basin
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