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Coaxial Cables:
Another metallic transmission medium which offers a large bandwidth, is the coaxial cable. Such cables consist of an outer protective shell made of copper tube, less than one inch in diameter, which actually carries messages. There are two types of coaxial cables- the base band and the broad band. Base band cables use digital transmission and are suitable for fairly short distances. These have a data rate of about 50 Mb/s in half-duplex mode. Broad band coaxial cable on the other hand, is more familiar as CATV and is suitable for long distance (up to 15 KM) transmission. It can support data rates of over 100 Mb/s. Coaxial cables, with their better electrical properties, can transmit at much higher frequencies and support wider bandwidth than the twisted pairs. They are suitable, therefore, for high quality bulk transmission of data at high speeds as well as text, picture and voice. For example, one such cable can support the equivalent of up to 10800 telephone (voice) channels.
Design Problem 1. Implement a basic file system managed from within a file. The file system should have the following capabilities: i. List files stored along with their sizes.
Basic steps/tasks involved in spreadsheets development
1. What is Evaluating Information System Investments? 2. Is IS evaluation different to evaluation of other investments? 3. What approaches are used to evaluate IS investments
Question: Using a questionnaire is a popular way commonly used to evaluate interfaces. (a) Describe advantages of using questionnaires as a means to evaluate interfaces.
Configuration of a PC: Generally, when you think of purchasing a Computer, you first try to exactly know what will be the hardware components such as processor, memory etc. of
examples
1. SHOW THE OPERATION OF THE LIGHTING SYSTEM?
The 21H function and the 22H function of the 21H interruption are the ones in charge of realizing the random readings and writings in that order. The random register number and the
tell me formulas
Analogue to digital converter: In an ADC a range of input values must correspond to a unique digital word. The type of code used depends on the system but here only binary cod
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