Software Engineering Answers

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You have taken a job with a software user who has contracted your previous employer to develop the system for them. You discover that your company's interpretation of the requirement is different from the interpretation taken by your previous employer. Discuss what you should do such situation. You know that the cost to your current employer will increase if the ambiguities are not resolved. You have also a responsibility of confidentiality to your previous employer.

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1)Convergence of technologies

2)Sensors and actuators

3)superposition

4)qubit

Compare each of the following formats using examples of your choice

1)HTML and Javascript

2)HTML and XML

3)Javascript and Jquery

4)XML and JSON

5)SQL and NOSQL

3.1.1 Explain why such a reluctance to accept the on-line self-service e-commerce business model continues to exist

Consider a computer with the following characteristics: total of 256Mbyte of main memory; block size of 8 bytes; and cache size of 128 Kbytes.

i. Design a direct-mapping address structure.

ii. Design an associative-mapping address structure.

iii. Design a two-way set-associative-mapping address structure.

iv. For the main memory addresses of F0010ABH, F012356H, and 00CABBEH, give the corresponding tag, cache line address, and word offsets for a direct-mapped cache.

v. For the main memory addresses of F0010ABH, F012356H, and 00CABBEH, give the corresponding tag and offset values for a fully-associative cache.

vi. For the main memory addresses of F0010ABH, F012356H, and 00CABBEH, give the corresponding tag, cache set, and word offset values for a two-way set-associative cache.

Suppose a computer having 5 GHz processor with cycle time of 4ns and main memory access time

200ns with CPI is 1 cycle.

i. Calculate the processor performance without cache.

ii. Calculate the performance with L1 cache, assume L1 hit rate is 85% and access time is 0.4ns.

iii. Calculate the performance with L2 cache, assume L2 hit rate is 80% and access time is 10ns.

iv. Calculate the performance with L3 cache, assume L3 hit rate is 75% and access time is 10ns.

Consider a computer with the following characteristics: total of 256Mbyte of main memory; block size of 8 bytes; and cache size of 128 Kbytes.

i. Design a direct-mapping address structure.

ii. Design an associative-mapping address structure.

iii. Design a two-way set-associative-mapping address structure.

iv. For the main memory addresses of F0010ABH, F012356H, and 00CABBEH, give the corresponding tag, cache line address, and word offsets for a direct-mapped cache.

v. For the main memory addresses of F0010ABH, F012356H, and 00CABBEH, give the corresponding tag and offset values for a fully-associative cache.

vi. For the main memory addresses of F0010ABH, F012356H, and 00CABBEH, give the corresponding tag, cache set, and word offset values for a two-way set-associative cache.

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