1) Which of the following is a primary function of a transistor? a) Rectification b) Filtering c) Amplification d) Storage 2) What is the symbol used to represent a transistor in electronic circuits? a) Q b) T c) R d) D 3) Which type of transistor is commonly used for high-frequency applications? a) BJT b) FET c) IGBT d) MOSFET 4) What did ENIAC stand for? a) Electronic Numerical Integrator and Analyzer b) Electronic Numerical Integrator and Computer c) Electronic Navigation Instrument and Analyzer d) Electronic Networking Interface and Calculator 5) What was ENIAC's primary purpose? a) Scientific calculations b) Business applications c) Gaming and entertainment d) Data storage 6) How many vacuum tubes did ENIAC use? a) 1,000 b) 5,000 c) 17,468 d) 20,000 7) What was the clock speed of ENIAC? a) 100 kHz b) 1 MHz c) 100 MHz d) 5 MHz 8) What was the primary input/output device used with ENIAC? a) Keyboard and monitor b) Magnetic tape and display c) Graphical interface and plotter d) Punch cards and printer 9) What does MOSFET stand for? a) Metal-Oxide-Semiconductor Field-Effect Transistor b) Metal-Oxide-Semiconductor Field-Effect Diode c) Metal-Oxide-Silicon Field-Effect Transistor d) Metal-Oxide-Semiconductor Field-Effect Rectifier 10) What is the purpose of the gate oxide layer in a MOSFET? a) To increase current flow b) To decrease voltage drop c) To isolate the gate from the channel d) To increase switching speed

Basic Electronics

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