what does a switch do?
transform tiny electric current flowing in one part of the the transistor into a much bigger one in another part of it
what is a motherboard?
main printed circuit of the computer
What is a IC?
tiny component / contains huge amount of interconnected devices
what is a flip-flop?
arrangement that turns a transistor into a memory device thtat store a zero when off and one when it is on (basic technology behind computers memory chip)
How are transistors produced?
silicon
What does PCB stand for?
printed circuit board
how does an antenna work?
receiver captures radio frequency signals and convert them into electrical ones, while a transmitter converts electric signals into radio frequency ones
what is the main problem with microwaves?
can only be used in the line of sight
How do you make an IC?
raw chemical element such as silicon /chemically treated /little squares
How can you classify IC?
Monolithic circuit / hybrid circuit
What is a coaxial cable?
two-wire conductor / used for TV/ radio