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Digital switch
It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.
It receives the digital signal from the office's channels banks that have been changed from users' analog signals and switches them with one more incoming signals out to the wide area network.
Q. Explain about Hexadecimal Numbers system? Hexadecimal system has 16 digits that are represented as 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. A number (F2) H is equivalent to
What happens if a function module runs in an update task? The system performs the module processing asynchronously. Instead of carrying out the call immediately, the system w
Explain briefly about demultiplexers?
Q. What is Tape Backup? Magnetic tapes are used these days in computers for the below purposes: Backing up data stored in disks. It is essential to regularly save data s
Create a relationship among Employee and Sales tables using Emp No. Enforce referential integrity and select both cascade update and cascade delete options. Save the relationship.
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System Analysis & Design 1. Describe attributes, properties, and characteristics of system. 2. What do you mean by Organizational Aspects of System Life Cycles? Explain.
It is a mixture of hardware and software to perform needed task
Consider a processor with a 4-stage pipeline. Each time a conditional branch is encountered, the pipeline must be flushed (3 partially completed instructions are lost). Determine
With reference to telephone traffic, explain the terms GOS. GOS: in loss systems, the traffic carried through the network is usually lower than the actual traffic offered to
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