Computers and Technology, 26.02.2021 20:30 888914
Your computer freezes up on a regular basis. You have checked your hard drive and you have sufficient space. You have not installed any software that could cause disruption. You have recently added more RAM so you realize that you have enough memory and that isn’t causing the problem. Which of the following should you check next?
Answers: 3
Computers and Technology, 22.06.2019 15:30
Whats are the different parts of no verbal comunication, especially body language?
Answers: 3
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, 23.06.2019 00:00
What engine component is shown in the above figure?
Answers: 1
Computers and Technology, 24.06.2019 01:30
Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?
Answers: 1
Your computer freezes up on a regular basis. You have checked your hard drive and you have sufficien...
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