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1. A computer system has a two-level memory cache hierarchy. The L1 cache has a zero hit penalty, a miss penalty of 5 ns and a hit rate of 95 percent. The L2 cache has a miss penalty of 100 ns and a hit rate of 90 percent.
a) How many cycles are lost for each instruction accessing the memory if the CPU clock rate is 2 GHz?
b) We can either increase the hit rate of the topmost cache to 98 percent or increase the hit rate of the second cache to 95 percent. Which improvement would have more impact?
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Problem 1: (a) Briefly explain each of the following wireless standards: (i) WiFi (ii) WiMAX (iii) 3G. Problem 2: (b) Bluetooth is an industrial specific
Describe autonomous system?
Reverse Address Resolution Protocol - RARP is ARP's counterpart, but it resolves IP addresses to MAC addresses typically on diskless workstations.
To Distribution System from BSS We require to identify the AP as the first hop to the destination (B) A will receive an ACK from the AP - indicates frame successfully on
The Five steps to data encapsulation (IN ORDER): 1) User information is changed into data. 2) Data is changed into segments. 3) Segments are changed into datagram and pack
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Normal 0 false false false EN-IN X-NONE X-NONE Metropolitan area Network ( MAN) Metropoli
Define in details about computer networks ? Discuss a variety of types of networks topologies in computer network. Also discuss a variety of costs and disadvantage of all topology
Find the domain Name of 128.252.160.200
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