Sambar (dish) powder. In Andhra Pradesh, it is called as "Pappu chaaru". Apart from dal and tamarind, vegetables used in preparing is few. Vegetables are onions, dosakaaya, bitter gourd and tomatoes. Sambar without lentils (but with vegetables, or dried or fresh fish) is called kuzhambu in Tamil Nadu. Sambar is usually served with steamed rice as one of the main courses of both formal and everyday south Indian cuisine. A two-course meal of sambar mixed with rice and eaten with some sort of vegetable side dish, followed by yoghurt mixed with rice, is a prime southern Indian staple. "Vada" sambar and "idli"
Pulse-code modulation These rules may be violated to generate special symbols used for framing or other special purposes. The word "pulse" in the term "pulse-code modulation" refers to the "pulses" to be found in the transmission line. This perhaps is a natural consequence of this technique having evolved alongside two analog methods, pulse width modulation and pulse position modulation, in which the information to be encoded is represented by discrete signal pulses of varying width or position, respectively. In this respect, PCM bears little resemblance to these other forms of signal encoding, except that all can be used in time division multiplexing,