wer the following: Let R be a subset of pixels in an image. We call R a region of the image if R is cònnected set. The boundary of a region R is the set of pixels in the region that have one or more neighbours that are not in R. In the following image, all pixels with value "l" constitute a region. 0 0 0 0 )o 0 0

wer the following: Let R be a subset of pixels in an image. We call R a region of the image if R is cònnected set. The boundary of a region R is the set of pixels in the region that have one or more neighbours that are not in R. In the following image, all pixels with value "l" constitute a region. 0 0 0 0 )o 0 0

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Year Airfare 2004 402.26 2005 391.5 2006 405.48 2007 390.3 2008 400.27 2009 359.91 2010 383.48 2011 402.45 2012 406.13 2013 407.99 2014 411.67 2015 395.7 2016 361.94 2017 352.85 2018 346.49 In R language,1) Conduct time series plot of the average airfare data. Question #1: What patterns do you notice in the time series plot of average annual airfare from 2004 to 2018? (a. horizontal pattern, b. clear upward trend, c. clear seasonal effects, d. clear downward trend) 2) Use a simple moving average with n = 3 (3 years) to calculate a forecast for the average airfare in 2019. Question #2: What is the 2019 forecast for average airfare using the simple moving average technique? (Round to two decimal places) 3) Based on the predicted values up to 2018, calculate accuracy measures (MAE, MSE, RMSE, and MAPE) for the simple moving average method. Question #3: What is the MAE for the simple moving average method?(Round to two decimal places) 4) Use a simple…
Question 3: On a byte addressable machine a string COMSATS UNIVERSITY ISLAMABAD PAKISTAN, starting from logical address 0 (zero) to 36 is to be loaded into memory, in noncontiguous fashion, using 'Paging' technique. The string is divided mechanically into equal sized pages of 4 bytes; similarly the memory is also divided into equal sized frames of 4 bytes. The ASCII code of each Character occupies one byte. The free frame list is given as follows: 8,3,4,2,6,7 ,5,1,9,21,24, 11 Answer the following questions a. What is the page map table? b. What are the linear logical addresses of characters 'U' and_'B'? c. What are the linear physical addresses of characters 'U' and_'B'? d. What is the difference between Internal and External fragmentation? e. What is the internal fragmentation in loading given string?
Convert the Following 1. (111.11)2 ( )102. (42.34)8 ( )103. (7894)10 ( )164. (1101.1101)2 ( )165. (499)8 ( )16
4. Two multiplexers are connected as shown below. The inputs (A, B, C) and the output F are 4-bits and (D and E) are one-bit. The numbers inside the multiplexers correspond to the value of the selectors D and E which will decide which input A, B or C will pass to the output F (For example, If D = 0 and E = 0 then C will be selected to pass to F). C 0 0 B 1 A D E Write a VHDL description of the circuit.
The associative memory formed by the four column vectors x1, x2, X3, and x4 is given by (a) X1X2X3X4 (b) x1x1* + x2x2* + X3X3'+ X4X4 (c) x1*x1 + x2*x2 + x3%3 + X4x4* (d) x1x1 - x2*x2 - x3'x3 - x4x4*
Converting Hexadecimal to Binary 9. Use this table to convert the number 2F5 into binary code. Hexadecimal number Binary equivalent of each digit Final binary number ASCII and Unicode 10. Use the ASCII table on page 15 of the study to encode the phrase "Types of Data" into decimal numbers. T. y D a a Breaking Down an Image 11. An image can be broken down into small dots called and the number of these dots in an image is called the The information in these elements is represented by a collection of binary numbers called a(n)
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x = 4 and x = 8 **** and 3X is a two digit number, consider memory storage of a 64-bit word stored at memory word 3X in a byte-addressable memory (a) What is the byte address of memory word 3X? (b) What are the byte addresses that memory word 3X spans? (c) Draw the number 0XF1234567890ABCDE stored at word 3X in both big-endian and little-endian machines. Clearly label the byte address corresponding to each data byte value
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Kindly answer the following questions. d. How are the ASCII codes for the decimal digits obtained? What is the relation between the ASCII codes for the capital letters and lowercase letters?
practice converting visual data into binary and decimal. The graph paper tables below represent data in a visual format. Each table below is a visual represenatation of 8 bytes, one byte per row. Each column in the row represents a single bit. The final entry in the table is for the decimal number represented in the row and is not part of the byte. An example: |x||X| |X|| 42 Instructions 1. For table one take a pencil and draw a numeral using as much of the graph paper as possible. Mark any square that contains a line with a large X or fill in the square. 2. For table two draw an emoji with a pencil using the entire graph paper and mark squares that contain a line with a large X or fill in the blocks. 3. For an example of "drawing" refer to table three; it contains the letter 4. Convert the visibile bits (Marked with an X) to decimal on table three. Fill in the values in the space provided. 5. Convert the decimal numbers in table four to bits and fill in the correct bits on the graph…