Ceta Exam Questions & Answers 2023/2024

0-0.6 Volts {Ans: A TTL device is a logic zero when voltage is between:}Series wound DC Motor {Ans: Speed varies greatly with the mechanical load placed on the motor. With no load applied, will speed dangerously out of control. Have very good starting torque, making them ideal for use in small battery operated appliances and power tools.}Read Only Memory {Ans: ROM}Television Transmitter {Ans: Transmits video intelligence by AM modulation and audio by FM modulation. Band of frequencies for a particular channel of video and audio is 6 MHz wide.}Programmable Read Only Memory {Ans: PROM}30 MHz {Ans: Frequencies above VHF, or ____ are often propagated as space waves, also known as line-of-sight when used for radio communications in the VHF and UHF bands.}