3G handy guide : consumer electronics & IT hardware /
authored and edited by 3G E-Learning LLC.
- New York, New York : 3G E-Learning LLC, c2020.
- x, 258 pages : color illustrations ; 24 cm. +1 computer disc.
Includes bibliographical references and index.
Chapter 1 : Introduction to consumer electronics Chapter 2 : Digital television and video Chapter 3 :Amplifiers Chapter 4 : Electrical measuring instruments Chapter 5 : Microphones and loudspeakers Chapter 6 : Air conditioner and refrigeration