Chapter 12 1
the type of data that can have any possible value within a specified range
analoge
What are the actual physical components of a computer called
hardware
what is the largest computer network
internet
what are pieces of information stored in computers called
data
A material that allows current to flow through it with no resistance
superconductor
the process of replacing atoms of a semiconductor with atoms of another element
doping
smallest directly accessible unit of data in a computer
Byte
What type of computer memory is used for temporary storage
RAM
small relatively inexpensive computer designed for rapidly performing complex calculations
Personal Computer
what electronic device processes information using electric circuits
Computer
a simple vacuum tube consisting of three electrodes
triode
instructions written in a programming language
source code
what is a single chip that contains a complete CPU?
microprocessor
large extremely powerful computer designed for rapidly performing complex calculations
supercomputer
the branch of studies that deals with the behavior and motion of electrons in a vacuum or in semiconductors
electronics
a semiconductor device that acts as a switch and amplifies a weak signal
transistor
the stored information and instructions that direct a computer to perform certain tasks
software
what is a collection of programs that contain instructions for displaying words and images on the screen for a user
operating system
what allows a computer to communicate with the outside world?
input/output devices
a device that produces a single binary output based on one or more binary inputs
logic gate
large computers designed to store and retrieve vast amounts of information
mainframes
the number system based on powers if 16
hexadecimal system
what device converts absorbed sunlight into electricity
What part of the computer controls all other systems of the computer?
Central Processing Unit (CPU)
what process produces an electric current in a vacuum using a heated cathode?
thematic emmission