Question: A simple telephone system consists of two end offices and a single toll office to which each end office is connected by a 1-MHz full-duplex

A simple telephone system consists of two end offices and a single toll office to which each end office is connected by a 1-MHz full-duplex trunk. The average telephone is used to make four calls per 8-hour workday. The mean call duration is 6 min. Ten percent of the calls are long-distance (i.e., pass through the toll office). What is the maximum number of telephones an end office can support? (Assume 4 kHz per circuit.)

Step by Step Solution

★★★★★

3.46 Rating (182 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Each telephone makes 05 callshour at 6 minutes each Thus a telephone occupies a circuit for 3 minut... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

CS-CN (50).docx

120 KBs Word File

Students Have Also Explored These Related Computer Network Questions!

A binary star system consists of two stars revolving about their common center of mass. If we observe the light reaching us from one of these stars as it makes one complete revolution, what does the...

A telescope system consists of two glass balls with radii R1 = 5.0 cm and R2 = 1.0cm. What are the distance between the centers of the balls and the magnification of the system if the bigger ball...

A certain triple-star system consists of two stars, each of mass m, revolving in the same circular orbit of radius r around a central star of mass M (Figure).The two orbiting stars are always at...

subject: data and computer communication 9.1 Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1-MHz full-duplex trunk between each end office and...

Q 2 4 ) Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1 - M H z full - duplex trunk berween cach end office and the internediate switch. Assume...

Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1-MHz full-duplex trunk between each end office and the intermediate switch. Assume a 4-kHz...

circuit switching than the datagram approach? For what range of sizes of the total message length does this correspond? Consider a simple telephone network consisting of two end offices and one...

Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1-MHz full-duplex trunk between each end office and the intermediate switch. The average telephone...

1. Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1 MHz full-duplex trunk between each end office and the intermediate switch. Assume a 4 kHz...

Q 1 - Consider a simple telephone network consisting of two end offices and one intermediate switch with a 1 - full - duplex trunk berween cach end office and the internediate switch. Assume a 4 -...

Multiple Choice Question 1. In which case is a plaintiff most likely to sue based on strict liability? A. Defamation B. Injury caused on the job C. Injury caused by a tiger that escapes from a zoo D....

Discuss the importance of supply chain management. What impact does the supply chain has on the overall organization performance and competitiveness in the marketplace?

7 . 8 Define the following arrays: A ) ages, a 1 0 - element array of ints initialized with the values 5 , 7 , 9 , 1 4 , 1 5 , 1 7 , 1 8 , 1 9 , 2 1 , and 2 3 . B ) temps, a 7 - element array of...

Foster Company's December 31, Year 1, balance sheet showed $2.700 cash, $1O00 common stock, and $1700 retained earmings The company experienced the foilowing event during Year 2 On October 1...

Given that the vacancy concentration of pure metals is described by the Arrhenius relationship, exp(-Evacancy/KgT), and the vacancy formation energy for FCC Cu is Evacancy 0.9 eV/atom, what...

In February 2012, a bill was introduced into the Ohio State Senate that would outlaw smoking in vehicles if young children are present. That same month a poll was conducted by Quinnipiac University...

44. Which of the following factors influences demand? I. consumer income II. prices of complement goods III. prices of substitute goods IV. the number of consumers O Il and II I and IV O I, II, III,...

For each of the following items, circle either a or b. In some cases, both a and b may apply to you. You should decide which is more like you, even if it is only slightly more true. In meetings, I am...

2. As a fixed income investor in this firm, why can't you rely on the credit agency's rating instead of doing your own research? a) A natural disaster or litigation risks are hard to quantify b)...

Which of the following terms means that during periods when interest rates change substantially, bondholders experience distinct gains and losses in their bond investments? Reinvestment rate risk...

the answer Question 12 4 pts This and the following three questions are related: Suppose that you are a major airline that has budgeted a price of fuel of 1.3840 USD/gal for fiscal year 2021 and you...