Part A:Using a writing speed of 800 Mbits/s, how long would it take to store a 40 GB raw video file on ablue ray disk? How small would the 40 GB raw video file become if it is compressed with acompression ratio of 8.Part B:Taking the speed of the radio signal as 3×100 meters per second, calculate the time taken for asignal to reach a GPS receiver from a GPS satellite at a position 20000 km distant from thereceiver. Assume that the speed of the signal is unchanged over the whole path length. Expressyour answer in milliseconds.

formula The waiting time formula is Time = file size/writing speed. The compression ratio formula is…

Answered: Part A: Using a writing speed of 800…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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The symbol £ is magnified and shown in Figure 1 with a grid superimposed. Figure 1 The image in Figure 1 is to be encoded and encrypted using the following steps: 1. Each of the five horizontal rows of the picture is encoded as a 5-bit binary number. White squares are encoded as Os and black squares as 1s. The horizontal rows are therefore encoded as: Row 1: 00110 Row 2: 01001 Row 3: 11100 Row 4: 01000 Row 5: 11110 2. Starting from the left, the first binary digit is multiplied by 16, the second by 8, the third by 4, the fourth by 2, and the fifth by 1. This will convert the 5-bit binary numbers to decimal numbers as shown below: Row 1: (0 x 16) + (0 × 8) + (1 × 4) + (1 × 2) + (0 × 1) = 0 + 0 +4+2+0 = 6. Row 2: (0 x 16) + (1 × 8) + (0 × 4) + (0 × 2) + (1 × 1) = 0 + 8 +0+0+1 = 9. Row 3: (1 x 16) + (1 × 8) + (1 × 4) + (0 × 2) + (0 × 1) = 16+8+4 + 0 + 0 = 28. Row 4: (0 x 16) + (1 × 8) + (0 × 4) + (0 × 2) + (0 × 1) = 0 + 8 +0+0+0= 8. Row 5: (1 x 16) + (1 × 8) + (1 × 4) + (1 × 2) + (0 × 1)…
a) Digital communication has made technology more pleasant in today's environment. Discuss the compression strategies for still images that have been proposed.b) Discuss one of the coding schemes available in communication systems that seeks to reduce data size by reducing it.
A video signal contains light variations that change at a frequency as high as 13 MHz. What is the minimum sampling frequency for analog-to-digital (A/D) conversion? Round the final answer to the nearest whole number. MHz
MP3 compression Explain in your own words what is meant by sub-band coding in acoustics and what role it plays in MP3 compression.
Which of the following involve analog quantities and which involve digital quantities? (a) Elevation using a ladder (b) Elevation using a ramp (c) Current flowing from an electrical outlet through a motor (d) Height of a child measured by a yard stick ruler (e) Height of a child measured by putting a mark on the wall (f) Amount of rocks in a bucket (g) Amount of sand in a bucket (h) Volume of water in a bucket
How many microseconds (μs) are in 1 second?
a. Using a writing speed of 700 Mbits/s, how long would it take to store a 40 GB raw video file on a blue ray disk (express your answer in minutes)?| b. How small would the 40 GB raw video file become if it iş compressed with a compression ratio of 8. Express file size in MB
Assume that a system uses 10-bit floating-point representation based on the IEEE floating-point format, in which: . There is 1 sign bit. There are k= 6 exponent bits. The exponent bias is 31. . There are n= 3 fraction bits. ● Convert the decimal number -5.5 into the 10-bit IEEE floating point representation explained above. Write the final result in 10-bit binary format. Show your steps.
20 10 y = -2.8x + 22.0 -10 -20 -30 0. 10 15 For the plot and trendline equation above, the x-data is time in minutes (min) and the y-data is temperature Fahrenheit (F). 20 LO 30
Video transmissions (live video or streamed video) actually make up the lion's share of the data that carried in today's Internet. The required data rate for uncompressed video depends on three factors: • The number of pixels (number of vertical pixels times number of horizontal pixels) • The (color) depth: how many bits are used per pixel to represent the color. When RGB colors are used, then for each of the colors red, green and blue a number of bits is allocated. • The frame rate: number of video frames created per second In most (but not all!) of the following questions we will use RGB colors and we will specify a video source as P/D/R where P is the number of pixels, Dis the depth per RGB color (i.e. we then need 3D bits per pixel to represent the color) and R is the frame rate (in frames per second). Please find the required bit rates for the following video source and express it in Mbps (with two digits after the decimal point, no rounding). VGA Video: 640 x 400, 16 colors in…
SAT Income GPA 1651 47000 2.79 1581 34000 2.97 1790 90000 3.48 1626 60000 2.5 1754 113000 2.92 1754 71000 3.76 1706 105000 2.8 1765 59000 3.26 1786 50000 3.89 1686 27000 3.67 1790 107000 3.31 1707 109000 3.16 1804 81000 3.73 1712 62000 3.21 1607 72000 2.8 1738 63000 3.7 1790 55000 3.86 1796 64000 3.91 1547 47000 2.63 1692 89000 2.98 1711 42000 3.45 1689 70000 3.06 1740 118000 2.88 1940 113000 3.96 A researcher studies the relationship between SAT scores, the test-taker’s family income (Income), and his/her grade point average (GPA). Data are collected from 24 students. A portion of the data is shown in the accompanying Excel Estimate: SAT = β0+ β1Income + β2GPA At the 5% significance level, are income and GPA individually significant? Show the relevant steps of each test, using the critical value approach. At the 5% significance level, are income and GPA jointly significant? Show the relevant steps of the hypothesis test, using the…
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