Final Exam of Computer Networks (ICE 1230) 2008.5. 27. Answer in English and Total 15 points 1. Why is it said that packet switching employs statistical multiplexing? Contrast statistical multiplexing with the multiplexing that takes place in TDM. (1 point) Answer: In a packet switched network‚ the packets from different sources flowing on a link do not follow any fixed‚ pre-defined pattern. In TDM circuit switching‚ each host gets the same slot in a revolving TDM frame. 2. In BitTorrent
Premium OSI model Computer network Transmission Control Protocol
What is the minimum sampling frequency that should be used to avoid aliasing if a complex sound has 4 frequency components with frequencies of 200 Hz‚ 400 Hz‚ 500 Hz and 800 Hz during the digitization process? Answer Selected Answer: E. 1‚200 Hz Correct Answer: E. 1‚200 Hz Question 2 1 out of 1 points What is the minimum standard sampling frequency that is used to digitize audio signals within the telephone network? Answer Selected Answer: C. 8‚000 Hz Correct
Premium Digital audio Color Liquid crystal display
Questions Chapter 1 1. How does managerial accounting differ from financial accounting? The essential difference between managerial accounting and financial accounting is that managerial accounting attends the needs of managers inside the organization‚ while financial accounting serves the needs of those outside the organization. There are also specific guidelines that are used (GAAP/IFRS) in financial accounting and is mandatory whereas there are no guidelines in managerial accounting and is
Premium Management Decision making
Worksheet 7-A: Metabolism Exercises Name __ _________________________ Metabolism explains how the cells in the body use nutrients to meet its needs. Cells may start with small‚ simple compounds and use them as building blocks to form larger‚ more complex structures (anabolism). These anabolic reactions involve doing work and so require energy. Alternatively‚ cells may break down large compounds into smaller ones (catabolism). Catabolic reactions usually release energy. Determine whether the
Premium Metabolism Nutrition Glucose
Justin Prater Chapter 6A 3‚ 4‚ 9‚ and 14 3) a. b. Cycle time = production time per day/required output per day = [(8 hour/day)(3600 seconds/hour)]/240 units per day = 120 seconds per unit c. Work station | Task | Task time | Idle time | I | AD | 6050 | 10 | II | BC | 8020 | 20 | III | EF | 9030 | 0 | IV | GH | 3060 | 30 | d. Efficiency = Task time / [# stations X avg. cycle time) = = .875 or 87.5% 4) a. A B F C D E G 30 35 15 65 H 30 35 40
Premium Unix Sun Microsystems
1. At what point does marriage give a spouse the right to enter the property of his or her marriage partner? According to the information given in the early discussion‚ it clearly states that a spouse cannot be committed of burglary if the spouses are still legally married. This does not include legal separations or divorces. Also‚ the other must allow the entrée of the spouse. While the offense [of burglary] is not committed by one who breaks and enters his own dwelling or other building‚ it has
Free Marriage Wife
Short Answers 1. How do modules help you to reuse code in a program? Performs the task once then reuses it each time you need to perform the task. 2. Name and describe the two parts that a module definition had in most languages. Header and Body 3. When the module is executing‚ what happens when the end of the module is reached? Computer jumps back to the part of the program that called the module 4. What is a local variable? What statements are able to access a local variable? A variable
Premium Ring Variable Computer programming
Chapter 8 Problem 6 The following are the historic returns for the Chelle Computer Company: Year Chelle Computer General Index Year chelle computer general index 1 37 15 2 9 13 3 -11 14 4 8 -9 5 11 12 6 4 9 Based on this information‚ compute the following: a. The correlation coefficient between Chelle Computer and the General Index. Answer : r= .1305 b. The standard deviation for the company and the index
Premium Investment Mutual fund Rate of return
1. What does the shell ordinarily do while a command is executing? What should you do if you do not want to wait for a command to finish before running another command? Answer: The shell waits for the command to finish executing. You can send the command to the background by using "&". 2. What is a PID number? Why are these numbers useful when you run processes in the background? Which utility displays the PID numbers of the commands you are running? Answer: A PID number is an identification number
Premium File system
Problem 17-7 on Ex-dividend Price Based on Chapter 17 Payout Policy Natsam Corporation has $250 million of excess cash. The firm has no debt and 500 million shares outstanding with a current market price of $15 per share. Natsam’s board has decided to pay out this cash as a one-time dividend. a. What is the ex-dividend price of a share in a perfect capital market? The payoff for the dividends would be $250/500 = $.50 per share. Therefore‚ the price for the shares would go down by that amount and
Premium Stock market