Information & Communication Technology System Maintenance First Year ICTSM is a simple e-Book for ITI & Engineering Course Information & Communication Technology System Maintenance ICTSM. It contains objective questions with underlined & bold correct answers MCQ covering all topics including all about the latest & Important about safety and environment, use of fire extinguishers, Resistors and Soldering, De-soldering practice, Inductors, measure Inductance and uses of Transformer, Capacitor, types of Transistors and use it as Amplifiers, voltage, frequency, modulation of modulator/ transmitter. Working with some important Mechanical, Electrical & Electronics Accessories used in information communication system, Word Processing and Spreadsheet Software, hardware components of Desktop Computer.