1. Which type of filter is designed to allow low frequencies to pass while attenuating high frequencies? a) Low pass filterb) High pass filterc) Band ...

1. What is a characteristic parameter used to describe the relationship between voltage and current in a two-port network? a) Resistanceb) Inductancec) Admittanced) Impedance Answer: ...

1. What concept does information theory primarily study?a) Communication protocolsb) Data compressionc) Transmission of data over networksd) Quantification and transmission of information Answer: d) Quantification ...

1. Which technique is used to maximize signal-to-noise ratio (SNR) in communication systems?a) Matched filterb) Gram Schmidt orthogonalizationc) Correlator detectord) Signal space concept Answer: a) ...

1. Which modulation technique utilizes multiple amplitude levels to encode data? a) ASKb) BPSKc) QPSKd) DPSK Answer: c) QPSK Explanation: QPSK (Quadrature Phase Shift Keying) ...

1. Which technique is used to convert analog signals into digital signals by sampling the amplitude of the signal at regular intervals? A) Pulse Code ...

1. Which theorem states that a band-limited signal can be perfectly reconstructed from its samples if the sampling frequency is greater than twice the highest ...

1. What is the primary function of a microcontroller in an embedded system?a) Manage power supplyb) Process and control datac) Transmit wireless signalsd) Display graphical ...

1. Which peripheral device is responsible for generating precise time intervals in a computer system? a) 8253b) 8254c) 8259Ad) 8257 Answer: b) 8254 Explanation: The ...

1. Which of the following interfacing chips is commonly used for I/O operations in microprocessor systems?a) 8155b) 8255c) ADCd) DAC Answer: b) 8255Explanation: The 8255 ...