receiver captures radio frequency signals and convert them into electrical ones, while a transmitter converts electric signals into radio frequency ones
10
what is the main problem with microwaves?
can only be used in the line of sight
5
What is a coaxial cable?
two-wire conductor / used for TV/ radio
15
what is a motherboard?
main printed circuit of the computer
10
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)
25
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
10
How are transistors produced?
silicon
10
How can you classify IC?
Monolithic circuit / hybrid circuit
15
How do you make an IC?
raw chemical element such as silicon /chemically treated /little squares
15
What does PCB stand for?
printed circuit board
15
What is a IC?
tiny component / contains huge amount of interconnected devices