Ceta Exam Questions & Answers 2023/2024

Klystrons {Ans: Oscillate by themselves for a short period when cathode is pulsed.}Waveguide {Ans: This transmission line is ideal for microwave transmission. Impractical to use for frequencies lower than microwave.}Laser Diode {Ans: Emits a light when turned on. That light is a very small beam, is very coherent and may be modulated. They are an inexpensive substitute for a true laser and are used in many printers.}Programmable Read Only Memory {Ans: PROM}SVGA {Ans: 800 x 600 256 Colors 15 Pins}High Frequency {Ans: 3 Megahertz-30 Megahertz}Magnetron {Ans: Operate in a frequency range higher than klystrons, and are capable of much more power. Used by RADAR and microwave ovens.}Extremely Low Frequency {Ans: 30-300 Hertz}Laminated iron and iron slugs {Ans: These type of transformer cores have a significant effect on the coupling within a transformer}Electrical Programmable Read Only Memory {Ans: EPROM}VGA {Ans: 640 x 480 256 Colors 15 Pins}Parasitic Array {Ans: Consist of a driven element, usually a dipole. Concentrate signals for transmission in the desired direction. Obtain energy for transmission from electromagnetic coupling with driven element. For reception, transfers received energy to the driven element. Highly directional.}3.5-5 Volts {Ans: