Question

ENGG255 past exam paper. ENGG255 2018S1.pdf X file://C/Users/rj_ea/OneDrive/Desktop/ENGG255 % 20FI NAL % 20EXAM % 20 PAST %20PAPERS /ENGG255_2018S1.pdf - .- 20 marks Data processing 6) Briefly explain what the purpose of data integration? 2marks 7) Consider the below wave function and answer the following questions. F(t)-cos(.6t)+cos(.5t) i Graph the beat function for this wave. marks i What is the beat frequency? marks li Calculate the proper sampling rate for this wave marks iv Calculate the time intervals between the samples marks 8) Quantize an analogue to digital convertor with dynamic range of 2V in 3 bits. marks 9) Draw the circuit and calculate the cut off frequency for a high pass filter with R-1000 and C 1mF marks 9:36 PM Type here to search x ENG C 13/06/2019 ENGG255 past exam paper. ENGG255 2018S1.pdf X file://C/Users/rij_ea/OneDrive/Desktap/ENGG255%20FI NAL % 20EXAM % 20 PAST % 20 PAPERS/ENGG255_2018S1.pdf - .- Data processing 20 marks 10) The following dataset shows just 5 records of employees of an organisation. The first column shows the employee identifier, the rest shows the salary and age employee. Salary Age Employee id 1 25000 24 21 www 27000 53000 30 llustrate this information on one plot to show the employees profile based on the given 2 dimensions (salary, age) marks iCreate a normalised dataset -Use min-max normalisation in the range of (0,1), using following information: marks Max salary 55001 Min Salary 24999 Max age 33 Min age 23 iiPlot the employees profile based on the normalised data. 5 marks iv) Explain and interpret the difference between plots? How normalisation affects this change? 4 marks 9:37 PM Type here to search x ENG C 13/06/2019

Answer 1

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