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.
کواکسیئل کیبل، بٹی ہوئی جوڑی کی طرح کتنے کنڈکٹرز پر مشتمل ہوتی ہے، لیکن اسے مختلف انداز میں تعمیر کیا جاتا ہے تاکہ اسے فریکوئنسی کی وسیع رینج پر کام کرنے کی اجازت دی جا سکے۔
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
The basic building block of any communications facility is the transmission line. Frame relay networks are commonly used for terminal-to-computer and computer-to-computer communications.
A program written in a non-machine language is called source code.
Source code refers to the code written in high-level programming languages like C, Java, Python, etc., which must be compiled or interpreted into machine language for execution by a computer.