Explanation

Good voice reproduction via PCM can be achieved with 128 quantization levels, or 7-bit coding (27 = 128). A voice signal, conservatively, occupies a bandwidth of 4 kHz. 

Explanation

The basic digital electronic circuit that has one or more inputs and single output is known as Logic gate. 

Explanation

In C++, 'b' escape sequence is used for backspace. 

In C++, 'f' escape sequence is used for Formfeeding. 

Explanation

In computer programming, a function prototype or function interface is a declaration of a function that specifies the function's name.

Explanation

Long haul installation connects one central office, or data center, to another.

Explanation

CPU interconnection is some mechanism that provides for communication among the control unit, ALU and registers.

CPU stands for Central Processing Unit. 

Explanation

The first operating system was introduced in the early 1950's, it was called GMOS and was created by General Motors for IBM's machine the 701.

Explanation

An overloaded function is really just a set of different functions that happen to have the same name. The determination of which function to use for a particular call is resolved at compile time.

Explanation

Coaxial cable supports both analog and digital signals. Consists of two conductors with construction that allows it to operate over a wider range of frequencies compared to twisted pair

Explanation

There are two kinds of casts in standard C++.

1. Implicit 

2. Explicit