12 Questions
What type of switching is space division switching?
Electronic automatic switching
When was the first computer controlled switching system installed by the Bell system?
1965
What technology is used for telephone exchanges controlled by a computer program stored in the memory of the switching systems?
Stored Program Control (SPC)
Which element is used for the control functions in electronic switches that eliminate drawbacks in earlier exchanges?
Microprocessor
What advantages are provided to end users by Stored Program Control (SPC)?
Abbreviated dialing, call forwarding, call waiting
Which type of networks was space division switching originally designed for?
Analog networks
What is the main function of a centralized SPC in a switching system?
To perform exchange functions using a common processor
What distinguishes centralized SPC from distributed SPC?
Centralized SPC has all control equipment replaced by processors
What is the purpose of using dual processors in centralized SPC exchanges?
For high reliability
Which mode of operation in a centralized SPC uses a secondary storage common to both processors?
Standby mode
What is the primary role of the active processor in standby mode?
Copy system status periodically to secondary storage
In centralized SPC, what is stored in the memory of a computer to execute automatically by the processor?
Programs related to control functions and subscriber information
This quiz covers the concept of space division switching, a type of electronic automatic switching used in intelligent networks. The paths in the circuit are separated spatially in space division switching. Explore the fundamentals and applications of this technology with this quiz.
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