20 min Score: 0 Attempted: 0/20 Subscribe 1. What is the primary purpose of robotics? (A) To replace humans in all tasks (B) To perform tasks that are repetitive or dangerous for humans (C) To enhance communication systems (D) To increase human creativity 2. Which of the following is a key characteristic of an automated … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. . What is the primary function of a sensor? (A) To convert one form of energy to another (B) To store electrical energy (C) To detect physical or chemical changes in the environment and convert them to electrical signals (D) To process data and provide output 2. … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. . What does IoT stand for? (A) Internet of Technology (B) Internet of Things (C) Intelligent Object Transmission (D) Integrated Operations Technology 2. . Which of the following is a key feature of an IoT device? (A) Ability to communicate over the internet (B) High power consumption … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. What is the primary difference between a microprocessor and a microcontroller? (A) A microcontroller contains a CPU, memory, and peripherals on a single chip, while a microprocessor usually only has a CPU (B) A microprocessor has more I/O ports than a microcontroller (C) A microcontroller is more … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. What is modulation in a communication system? (A) Suppressing unwanted noise from a signal (B) Converting analog signals to digital (C) Amplifying a weak signal (D) Varying a carrier wave to encode information 2. Which of the following is NOT a type of modulation? (A) Amplitude Modulation … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. A transmission line is used to: (A) Amplify electrical signals (B) Store electrical energy (C) Transmit electrical power or signals between two locations (D) Convert analog signals to digital signals 2. Which of the following is an example of a transmission line? (A) All of the above … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. What is the primary function of an antenna? (A) To amplify signals (B) To filter noise from a signal (C) To convert electrical signals into electromagnetic waves and vice versa (D) To provide impedance matching 2. Which of the following is NOT a type of antenna? (A) … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. What is the primary purpose of a communication system? (A) To transfer information from one point to another (B) To amplify signals (C) To convert analog signals to digital signals (D) To suppress noise 2. Which of the following is NOT a basic element of a communication … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. What is the purpose of modulation in communication systems? (A) To eliminate noise from the signal (B) To increase the frequency of the signal (C) To encode information onto a carrier wave for transmission (D) To amplify the transmitted signal 2. Which of the following is NOT … Read more
17 min Score: 0 Attempted: 0/17 Subscribe 1. What is noise in the context of electronics? (A) A periodic waveform in a system (B) Amplified output of a circuit (C) Unwanted signals that interfere with the desired signal (D) A signal used for communication 2. Which of the following is NOT a type of electronic … Read more