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Explain CPU based exchange. CPU Based Exchange: All the control equipment is replaced with a single processor that must be quite powerful, in centralized control. This should
In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses. Ans: Di
Why Java is called Machine Independent? While a java program is compiled this is not converted in an executable code. Rather, this is converted in a byte code. Byte code is hig
Why floating point number more difficult to represent and process than integer? In floating point numbers we have to show any number in three fields sign, exponent and mantissa
What do you mean by u-area (user area) or u-block? This having the private data that is manipulated only by the Kernel. This is local to the Process, i.e. every process is a
Q. What is Functions of Input - Output Interface? An I/O interface is bridge between processor and I/O devices. It controls data exchange between external devices and main mem
Describe the various signalling techniques. Signaling systems link the variety of transmission systems, switching systems and subscriber elements in telecommunication network
What is System-software? System-software is collection of system programs which perform a variety of functions, name are: file editing, IO management, recourse accounting and s
What are the Process states? By the courses of implementation, processes change state. Status of a process is express by its present activity. Dissimilar practical states of
As the name suggests, the function acts as a friend to a class. As a friend of a class, it can access its private & protected members. A friend function is not a member of the clas
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