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Discuss the various enhanced services that can be made available to the subscribers because of stored program control.
One of the instant benefits of stored program control is as a host of new services can be made obtainable to the subscriber. They can be grouped in four types:
1. Services related with the calling subscriber and designed to decrease the time spent on dialling and dialling number's errors.
a. Abbreviated dialling
b. Recorded number calls or no dialing calls
c. Call back while free
2. Services connected with the called subscriber and designed to raise the call completion rate.
a. Call forwarding
b. Operator answer
3. Services including more than two parties.
a. Calling the number record
b. Call waiting
c. Consultation hold
d. Conference calls
4. Miscellaneous
a. Automatic alarm
b. STD Barring
c. Malicious call tracing
Name the switching schemes used in a digital exchange? The several switching systems used are: 1. Strowger Switching System 2. Cross bar Switching. 3. Electronic Swit
Coupling and cohesion can be shown using a:- Dependence matrix
Describe the scheme of capability lists to implement protection? Capability lists (C- lists): These lists are utilized to make sure that uses only access files that are e
Q. Show the Transmission Control Protocol? Transmission Control Protocol (TCP) TCP makes Internet reliable. TCP solves many problems which can occur in a packet switching
What do you mean by polynomial and exponential bounds? Bounds of the form nc for c greater than 0 .such a bound are known as polynomial bounds. Bounds of the form 2(n ) .suc
In order to restore the system defaults for all changes made with the format statement is Format Reset
Functions for Message Passing: MPI processes don't share memory space and one process can't directly access other process's variables. Therefore they need some form of communi
Q. For function F(X, Y, Z) = ∑(1, 2, 3, 5, 6) using TRUTH TABLE only 1. Find POS expression 2. Simplify POS expression 3. Implement this simplified expression using t
structured programming
The do while Loop This is very similar to the while loop except that the test occurs at the end of the loop body. This guarantees that the loop is executed at least once before
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