Master Computers and Technology with Fun Quizzes & Brain Teasers!

if rafael is creating a webpage in , what kind of object will he use to display the picture of the vacationers
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what function can automatically return the value in excel indeed
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a) a memory system has 16mb. the memory is organized into blocks of 16b each, and the cache has total 512kb, organized into cache block frames of 16b each. i) how many bits are needed to address all bytes in the memory system? ii) how many memory blocks we have in the memory system? how many bits are needed to address all memory blocks? iii) how many block frames are there in the cache? how many bits are needed to address all block frames? iv) for direct cache mapping, what would be the block address (concatenate tag with block frame index), tag, bf index and byte in hex form for the following byte addresses? address block addr tag block frame index byte a1
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determine the number of memory chips required to build a 2-byte-wide by 3g word memory using 1g 8 memory chips.
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what type of data file cannot be opened and viewed in an editor such as notepad?
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wls is preferred to ols when an important variable has been omitted from the model. true or false
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Consider a computer with the following cache and main memory The block size B = 8 bytes. The cache has a total of C = 64 bytes. The main memory has a total of M = 4096 bytes, and uses byte addressing.The number of cache blocks is =The number of main memory blocks is =The number of bits of a main memory address =
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Modern file systems are implemented using the following data structures.O Threads, Processes and SignalsO Linker, Table, and IndexO Trees, Graphs, and StacksO Stacks, Queues, and Maps
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Which of these is NOT a part of the organizational change model used to support change management for Information security requirements. a. freezing b. unfreezing c. moving d. security training
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the rule followed in soliciting members of a database is on the basis of
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when running on its 11.4 vv battery, a laptop computer uses 8.3 ww. the computer can run on battery power for 8.0 hh before the battery is depleted. True or false ?
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what is displayed when the following code is executed? empty_string = '' print(len(empty_string))
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what messages are passed, and in what direction, when a client successfully leases an ip address from a dhcp server? explain your answer briefly.
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what is the more modern way to handle memory management
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Assume you have a page reference string for a process with E frames (initially all empty). The page reference string has length L with D distinct page numbers occurring in it. For any page-replacement algorithm, assuming pure demand paging, what would be the minimum number of page faults that could occur. a L/F b D c None of the others d L/D
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Determine whether each description is True or falseWhen we create a table in MS Access, we can modify datatype in the Design View and data in the Datasheet View
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public static int foo(int x, int y) {if (y == 0) {return x;} else if (x
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If P NP then all problems in NP require exponential time.TrueFalse
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Consider the following mutual authentication and key establishment protocol, where the session key is given by K = gab mod p.Suppose that Alice attempts to initiate a connection with Bob using this protocol.a. Show that Trudy can attack the protocol so that both of the following will occur.i. Alice and Bob authenticate each other.ii. Trudy knows Alice's session key.Hint: Consider a man-in-the-middle attack.b. Is this attack of any use to Trudy?
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True/FalseDisruptive technologies : they come to market with a set of performance attributes that existing customers dont value.
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true or false: the ride-sharing company uber is an example of technological convergence.
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tcp/ip first gain traction in a __________ case that was the basis for e-mail among the researchers on arpanet
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Which of the following can help to avoid problems with reused encryption keys? Select all that apply.Group of answer choicesd) Combine the key with a noncec) Change the internal keyb) Clear your computer's RAMa) Use the same passphrase
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explain the major challenges you may encounter when you implement an eer with a superclass/subclass relationship
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