A device that permits two or more users to conduct a conversation when they are not in the same vicinity of each other to be heard directly.
What is a phone
100
An electronic device that stores, processes, & receives information.
What is a computer
100
The flow of electrons
What is Electricity
100
What we use every day with computers.
What is the internet
200
The wireless transmission of electromagnetic signals through the atmosphere or free space.
What is radio
200
A disk of plastic that holds info. and or music
What is a Compact Disk / CD
200
The makers of almost all of your cell phone & the first successful computer that used a GUI.
What is Apple Computer Corp.
200
A device that stores electricity in it self
What is a battery
200
The modern processor company that was started in the early 70's
What is Intel
300
A material that conducts current better that an insulator.
What is a semiconductor / conductor
300
A system of displaying thing on a screen in which a electron gun fires the image on to the screen.
What is Cathode ray tube / CRT
300
The original name for the computers that were the size of today's computer
(E.G; Apple II, Commodore 64, TRS-80
What is a micro-computer
300
An electronic device that reduces current flow.
What is a resistor
300
The elament that is used in computers for pins and contacts
What is gold
400
Pulses of current that represent information
What is a digital signal
400
What frequency bands (signals) are measured in.
What is Mega-hertz (MHz)
400
The smallest value of storage that cane store 1 character.
What is a byte
400
A semi-metal in the periodic table (#14) that is used in a lot of electronics.
What is a silicon
400
The stuff that someone would use to create devices that is a long length of a low melting alloy.
What is solder
500
An electronic component that either turns current on or off or amplifies a signal
What is a transistor
500
The process of radio broadcasting using amplitude modulation.
What is AM radio
500
The company that created the PC & the company that created the OS for it.
What is IBM & Microsoft
500
A thing that supports electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate.
What is a circuit board
500
The first home computer to sell 1 million units (in it's time) in the U.S.A