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State about CSMA/CA
It belongs to a class of protocols known as multiple access methods. CSMA/CA stands for: Carrier Sense Multiple Access with Collision Avoidance. In CSMA, a station willing to transmit has to first listen to channel for a predetermined amount of time so as to check for any activity on channel. If channel is sensed "idle" then station is permitted to transmit. If channel is sensed as "busy" station has to defer its transmission. This is essence of both CSMA/CD and CSMA/CA. In CSMA/CA (Local Talk), once channel is clear, a station transmits a signal telling all other stations not to transmit, and then sends its packet. In Ethernet 802.3, station continues to wait for a time, and checks to see if channelis still free. If it is free, station transmits, and waits for an acknowledgment signal that packet was received.
Global variables are accessible only to the batch program while external variables can be referenced from any batch program residing in the similar system library.
Determine the benefits of developing prototype According to SOMM [96] benefits of developing prototype are as following: 1. Communication gap between clients and software
Bit Slice ALUs It was possible to manufacture smaller like 4 or 8 bits fixed point ALUs on a single IC chip. If these chips are constructed as expendable types then employing
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Static or Dynamic - artificial intelligence An environment is static if it doesn't change while an agent's program is making the decision about how to act. When programming ag
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Q. What is Flash Memory? This memory is other form of semiconductor memory that was first introduced in mid-1980. These memories can be reprogrammed at high speed and therefo
third partial product of 13*11 in binary
a ship is loaded with a stock of 3 items each unit of item n has a wt wn and vn the max cargo wt the ship can take is the details of 3items are item(n):1 2 3 wt(wn):2 3 1 value(vn)
The field SY-DYNR refers to Number of the current screen.
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