BICSI Exam Questions with 100% correct Answers | Latest Update 2024

BICSI Exam Questions with 100% correct Answers | Latest Update 2024 Simplex - Answer ️️ -Transmits signals in only one direction (listener has no way to respond) and public address system is example Half duplex - Answer ️️ -Transmits signals in both directions but only once at a time (push to talk systems) Full duplex - Answer ️️ -Transmits signals in both directions at the same time (telephones) EMI - Answer ️️ -Electromagnetic interference Alternating current - Answer ️️ -0 max 0 Direct current - Answer ️️ -0 max (battery) RFI - Answer ️️ -Disturbance in electromagnetic signals Frequency - Answer ️️ -Number of cycles a signal is repeated in time period Bandwidth - Answer ️️ -Info carrying capacity of a system Analog signal - Answer ️️ -Continuously varying signals that follow loudness(AMPT) and frequency(tone) Digital signal - Answer ️️ -Non-continuous signal that changes from one state to another in a distinct order Decibel - Answer ️️ -Measure of analog signal strength Megahertz - Answer ️️ -Bandwidth of system in a frequency range of interest Megabit - Answer ️️ -Number of bits of info that can be transported over the media Resistance - Answer ️️ -Conductors ability to resist the flow of electrical energy Inductance - Answer ️️ -Electrical forcefield around conductor that opposes changes in current flow Capacitance - Answer ️️ -Storage of electrical charges when potential voltages exist between conductors Mutual capacitance - Answer ️️ -Two conductors Unbalanced capaitance - Answer ️️ -Conductors and ground Impedance - Answer ️️ -Total opposition to current flow (AC circuits) Characteristic impedance - Answer ️️ -Input impedance of a uniform analog transmission line of infinite length Value of characteristic impedance - Answer ️️ --Material & diameter of conductors -distance between conductors -insulating values of seperators Attenuation ( intersection loss ) - Answer ️️ -- measure of signal loss between transmitter and receiver - measure of signal loss in the amplitude when signal is transmitted - measure of decibels per unit length at a given frequency - loss of usable signal during g transmissions Return loss - Answer ️️ -Decibels of the power of the outgoing signal to the power of the reflected signal Cross talk - Answer ️️ -Unwanted transfer of electromagnetic energy to 1 or more circuits Near end crosstalk (NEXT) - Answer ️️ -Unwanted signal coupling from a transmitter at the near end into another pair measured at the near end Far end crosstalk (FEXT) - Answer ️️ -Unwanted signal coupling from a transmitter at the near end into a neighboring pair measured at the far end Nominal velocity of propagation (NVP) - Answer ️️ -Ratio of Speed of transmission along a cable relative to the speed of light in a vacuum Propagation delay - Answer ️️ -Time it tak