Computers and Technology, 14.05.2021 23:40 melissapulido198
Podemos copiar al portapapeles un rango de celdas dentro de la misma hoja con la tecla
a) CTRL
b) Mayus (shift)
c) alt
d) CTRL+C
Answers: 2
Computers and Technology, 22.06.2019 02:00
6. the is particularly susceptible to the effects of alcohol because it receives a large portion of total blood flow and has a high concentration of neurons. a. heart b. pancreas c. brain d. liver
Answers: 2
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 06:30
You have a small company and want to keep your costs low, but it is important your employees share data. which network would provide you with the most economical solution?
Answers: 1
Computers and Technology, 23.06.2019 15:00
Jake really works well with numbers and is skilled with computers but doesn't work well with others. which of the jobs discussed in this unit might be best for jake? why?
Answers: 3
Podemos copiar al portapapeles un rango de celdas dentro de la misma hoja con la tecla
a) CTRL
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