Computers and Technology, 26.02.2020 02:49 starreee
We have provided a list of tuples called state_capitals. The first item in every tuple is the name of a US state and the second item in that tuple is the capital of that state. Write code that converts this data structure into a dictionary where the keys are state names and the values are state capitals. Assign the result to the variables capitals_dict. state_capitals = [ ('Michigan', 'Lansing'), ('Massachusetts', 'Boston'), ('Pennsylvania', 'Harrisburg'), ('New York', 'Albany')]
Answers: 1
Computers and Technology, 22.06.2019 16:50
Consider a slotted aloha system, where the time slot equals the fixed duration of each packet. assume that there are 4 stations a,b,c,d sharing the medium. (a) stations a,b,c,d receive one packet each from higher layers at times 1.3, 1.5, 2.6,5.7 respectively. show which transmissions take place when, according to the slottedaloha protocol; describe all transmissions until all four packets have been successful.when needed, each station has access to the following sequence of random number, provided by a random number generator and drawn uniformly between 0 and 1: (1) station a draws numbers: 0.31, 0.27, 0.78, 0.9, 0.9, 0.11, 0. (2) station b draws numbers: 0.45, 0.28, 0.11, 0.83, 0.37, 0.22, 0. (3)station c draws numbers: 0.1, 0.2, 0.3, 0.4, 0. (4) station d draws numbers: 0.36, 0.77, 0.9, 0.1, 0.1, 0.1, 0.1, 0. (b) in slotted aloha, a station transmits in each time slot with a given probability. what probabilities would you assign to each of the four stations so as to: (i) maximize the efficiency of the protocol? (ii) maximize fairness among the four stations? (c) will the efficiency increase or decrease if we modify slotted aloha as follows: (i) get rid of slots and allow stations to transmit immediately? (ii) implement carrier sensing? (iii) implement collision detection? (iv) implement collision avoidance?
Answers: 3
Computers and Technology, 22.06.2019 19:30
When creating a presentation in libre office impress, where does the editing of slides take place?
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Computers and Technology, 24.06.2019 10:00
(, urgent need): how do i change my username
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Computers and Technology, 24.06.2019 15:30
What is the function of compilers and interpreters? how does a compiler differ from an interpreter?
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We have provided a list of tuples called state_capitals. The first item in every tuple is the name o...
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