Waht is PHC ? What is the principle of PHC?

Principal Shyamoli MATS Shyamoli, Dhhaka   PHC: PHC means primary health care.   The concept of primary health care came into limelight in 1978 following an international conference in Alma-Ata. It has been defined as, “Primary health care based on practical, scientifically sound and socially acceptable methods and technology, made Read more…

what is computer modem ?

    Mohoshin kabir IT Officer Shyamoli MATS Modem: Modem stands for modulation and demodulation. The process of converting digital signal into analog signal is called modulation and the process of converting analog signal into digital signal is called demodulation. Generally modems are three types-   # Internal Modem                       Read more…