u930973931_answers 50 min Score: 0 Attempted: 0/50 Subscribe 1. What is the majority charge carrier in an N-type semiconductor? (A) Electrons (B) Holes (C) Ions (D) Protons 2. Which of the following is a P-N junction diode? (A) LED (B) FET (C) BJT (D) Zener diode 3. The process of adding impurities to a semiconductor to … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following frequency ranges is typically considered as RF? (A) 1 MHz – 1 GHz (B) 1 kHz – 1 MHz (C) 100 Hz – 1 kHz (D) 1 GHz – 10 GHz 2. The wavelength of a 1 GHz signal in free space is … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following is NOT a characteristic of digital signals compared to analog signals? (A) Ease of processing (B) Immunity to noise (C) Infinite resolution (D) Ease of storage 2. The process of converting a continuous signal into a discrete signal is known as: (A) Filtering … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which term best describes the integration level of circuits in VLSI? (A) Medium-Large-Scale Integration (B) Ultra-Large-Scale Integration (C) Small-Scale Integration (D) Large-Scale Integration 2. The primary objective of VLSI technology is to: (A) Decrease circuit complexity (B) Increase circuit density (C) Increase circuit speed (D) Decrease power … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following is not a characteristic of an Embedded System? (A) Real-time operation (B) General-purpose computing (C) Specific function (D) Constrained resources 2. What is the primary function of a bootloader in an Embedded System? (A) Memory management (B) Initialize hardware and load OS/kernel (C) … Read more
40 min Score: 0 Attempted: 0/40 Subscribe 1. In a single-phase full-bridge rectifier, the frequency of output voltage ripple is: (A) Half of the input frequency (B) Equal to the input frequency (C) Twice the input frequency (D) Four times the input frequency 2. The device used for switching in a buck converter is typically: … Read more
34 min Score: 0 Attempted: 0/34 Subscribe 1. Which of the following statements about control systems is true? (A) Open-loop systems do not use feedback (B) Closed-loop systems do not have any sensors (C) Feedback systems are always unstable (D) None of the above 2. The transfer function of a system is: (A) Ratio of … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. Which of the following is not a characteristic of analog communication? (A) Susceptible to noise (B) Infinite resolution (C) High noise immunity (D) Continuous signal representation 2. In analog communication, the signal is typically represented by: (A) Discrete values (B) Digital pulses (C) Binary digits (D) Continuous … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. Which of the following is not a characteristic of microprocessors? (A) Analog signal processing (B) Execution of sequential instructions (C) Single chip integration (D) High speed operation 2. The ALU of a microprocessor is responsible for: (A) Arithmetic and logical operations (B) Data input/output (C) Memory access … Read more
30 min Score: 0 Attempted: 0/30 Subscribe 1. Which of the following equations represents Faraday’s law of electromagnetic induction? (A) ∇×E = −∂B / ∂t (B) ∇⋅B = 0 (C) ∇⋅E = ρ / ϵ₀ (D) ∇×B = μ₀J 2. The speed of light in a vacuum is approximately: (A) 3 × 10⁶ m/s (B) … Read more