Computers and Technology, 18.02.2020 01:13 als102
You have a notebook computer and wish to connect to an IEEE 802.11ac wireless network. The computer does not have a built-in WLAN card or a PC card interface. You do not want any peripherals connected to the notebook that use wires and do not want to disassemble the computer. Which wireless adapter would be the best solution?A. Wireless PCI
B. Wireless PCMCIA
C. Wireless Full Mini-PCIe
D. Wireless USB 2.0
Answers: 3
Computers and Technology, 22.06.2019 02:00
Aletter or menu command that starts an action when the user presses the designated letter and the alt key together is called what?
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Computers and Technology, 22.06.2019 12:30
Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.
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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 23:30
To check spelling errors in a document, the word application uses the to determine appropriate spelling. internet built-in dictionary user-defined words other text in the document
Answers: 1
You have a notebook computer and wish to connect to an IEEE 802.11ac wireless network. The computer...
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