Test #8

Question 1

Signal

Answer 1

The message or data. Sent as a wave or light

Question 2

Antenna

Answer 2

A thing designed to create and receive waves

Question 3

Transmitter

Answer 3

Sends the signal- by moving electrons to create a wave or light

Question 4

Receiver

Answer 4

Gets the signal- by having the waves move the electron in the antenna and decoding the signal

Question 5

Analog signal

Answer 5

Shape of the wave holds this information

Question 6

Digital signal

Answer 6

Message is coded as zeros and ones

Question 7

Analog pros

Answer 7

Further distance, simple to create and receive

Question 8

Analog cons

Answer 8

More interference, less info, hard to store/repeat

Question 9

Digital pros

Answer 9

More information quickly, easy to store/copy, less interference

Question 10

Digital cons

Answer 10

Less distance, need a processor to decode

Question 11

CPU

Answer 11

Central processing unit- main brain of the computer and enacts the code

Question 12

GPU

Answer 12

Graphic prossesor unit- makes codes visible

Question 13

RAM

Answer 13

Short term memory- used to make machine run

Question 14

Hardrive/SSD

Answer 14

Long term memory

Question 15

Solid state drive

Answer 15

Like ram but for longer period of times

Question 16

Hardrives

Answer 16

Spinning magnetic discs

Question 17

how does an antenna receive a signal

Answer 17

the electromagnetic wave passing over the antenna induces a small voltage

Question 18

what carries a wireless signal

Answer 18

radio waves

Question 19

what does a transmitter do to create a signal

Answer 19

generate a carrier frequency which is then combined with the data signal and emitted

Question 20

what parts of the electromagnetic spectrum does most wireless transmission take place in

Answer 20

20 KHz to 300 GHz