Peripheral Hardware Flashcards
physical components of a computer
hardware
internal components of the computer
software
any item connected to a computer, but secondary in relation to the computer
peripheral device
Central Processing Unit (computer’s brain)
CPU
operates inside the case
internal
operates outside the case
external
receive data [microphone, keyboard (internal)], [keyboard, mouse, scanner (external)]
input
send data [speakers, screen on laptops (internal)], [monitor, printer, project (external)]
output
store data [hard drive, DVD+RW (internal)] [external hard drive, DVD+RW
storage
stream of data that we see and hear
analog (old)
estimates analog data using only ones and zeros; on or off, a.k.a the binary system
digital (new)
allows computers to communicate through telephone wires (analog to digital and vice versa)
ISDN- Integrated Services Digital Network
computer program control and to monitor machines’ operations (robots, mills/looms, CNC machining)
CNC/NC- Computer Network Control
a commercial enterprise or establishment (price scanners, office machines, credit card readers, security systems)
business
the sector of an economy made up of manufacturing, trades, and services (CNC machining, automated or robotic welding, computered controlled warehouses)
industry
