Science 16

a branch of the study of electricity that deals with the behavior and motion of electrons in a vacuum or in special materials

a glass tube containing electrodes sealed in a vacuum

what type of emission when the flow of electric current through a vacuum from a heated filament flows to a positive electrode

a vacuum tube containing two electrodes and designed to allow current to pass in only one direction

type of vacuum tube that contains a grid between the cathode and anode, allowing the cornet flowing through the tube to be controlled

J. J. Thomson discovered that cathode rays at actually stream of what?

the Crooks tube and the television picture tubes are examples of what tubes

the most common type of transistor (found in computer chips)

substance that is neither a good conductor nor a good insulator

process that adds arsenic atoms to a crystal of silicone to increase conductivity

what kind of semiconductor contains excess "holes" in the crystal lattice (not additional electrons)

a semiconductor devise that amplifies weak signals and acts as a switch

device that allows current to pass in only one direction

Device that processes information using an electric circuit

device that consists of solid crystals of semiconductors

why are integrated circuits preferred over diodes and transistors

data that can have any possible value within a specified range

data that can have only one certain values within a range

what is the common coding system that uses one byte per character

what number system is based on the power of two

first general-purpose electronic computer

how many bits are in a byte

a kilobyte equals how many bytes

what is the number system based on the power system of 16

device that produce a single binary output based on one or more binary inputs

three basic systems of a computer

where the computer stores and uses temporary information

a device that converts digital data into analog data and back again

the "brain" of the computer

a single chip containing a complete CPU

the largest computer network

Americas first mass produced computer

actual fiscal components of a computer

program stored in a form that the computer's CPU can understand

the circuit board that connects all of a computers components

what is the collection of programs that contain instructions for displaying words and images on the screen

a computer designed to perform a few functions

Phenomenon in which an electric current flows from a hot filament to a positive electrode

the term for a general-purpose computer designed to be accessed by many users at once

two mane type of software