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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.
Define the Products of Dynamic mode Dynamic model: A model of dynamic behaviour of user object. It defines important states of user object, the way that actions depend on
Purpose: Front line client service. Make bookings for vehicle servicing, accesses client database, prints invoices for clients etc. The mechanics complete worksheets for the variou
What are the features of ABAP/4 Dictionary? The most significant features are: Integrated to aABAP/4 Development Workbench. Active in the runtime environment.
Q. F'(a,b,c,d) = (a + b + d')(a + c' + d')(a + b' + c') d'(a,b,c,d) = (a + b' + c + d')(a' + c' + d')(a' + b + d) Find the simplified function F and implement it using NOR Ga
How does the interaction between the Dynpro and the ABAP/4 Modules takes place? -A transaction is a collection os screens and ABAP/4 routines , controlled and implemented by a
How to configure TSM server
To add scripts into your Web pages tag is used. The tag signifies the start of the script section, whereas marks the end. An example of this is d
What is a shift register? Can a shift register be used as a counter? If yes, explain how? Ans: Shift Register: A register wherein data gets shifted towards left or right
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A very useful application of assembly is to generate delay loops. These loops are used for waiting for some time before execution of subsequent instruction. However how to find
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