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Assume the processor is being upgraded with 30-MHz clock. Though, the speed of memory subsystem remains unchanged, and consequently two clock cycles are required per memory access. If 30% of instructions need one memory access and another 5% need two memory accesses per instruction, determine the performance of upgraded processor with compatible instruction set and equal instruction counts in given program mix?
A crypto device encrypts each message into 20 bits of ciphertext.What is the entropy of the plaintext message? What is the entropy of the ciphertext message?
Describe at least three different networks (computer or data communications) which you access or interact with on an average day.
Assume you are asked to head a non computerized department and you need ten computers and would like to connect them to each other.
Explain two layers: LLC & MAC, and how are they different from what is available in TCP/IP protocol? Why do we require these two extra layers for LAN?
Draw the potential network architecture of the data network for secondary campus to main campus of university (Detail and describe the function of each component in the network.
Let DES(x, K) represent the encryption of plaintext x with key K using the DES cryptosystem. Prove that y' = c(y) (i.e., if we complement the plaintext and the key, then the ciphertext is also complemented).
Utilize the following information to outline a new network security design. Employee breakdown; 2 partners, 28 accountants, 5 administrative assistants, 2 technology specialists, 1 human resources manager.
Segmentation of a file and forming FTP datagrams: Read first 'x' number of bytes and use them as part of payload section of an FTP datagram. Encapsulate the FTP datagram into TCP datagram (generation of TCP packets)
You and Luke Sky Walker are commanders in rebel army preparing to attack Darth Vader and his Death Star. Is there protocol which you and Luke can use to avoid defeat? If not, describe why not.
What kind of challenges did the IRS encounter when implementing its CDW? What management,organization, and technology issues had to be addressed?
Dog can travel to your side, wherever you may be, at 18 km/hour. For what range of distances does dog have a higher data rate than 155 Mbps ATM line?
Design a switched network to compliment your routed network. Each department will require five switches that will plug into the router cards.
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