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Ellie Howell

computer parts

computer machine that can be programed invented in the 1940s.
Personal computer PC: includes a computer, mouse, and moniter
Hardware the computer and all attatched equipment ex: speakers, keyboard, mouse, moniter
software a set of instructions for the computer that has the ability to create or change data
monitor a display screen
mouse an input device . it moves the cursor on the monitors
keyboard the keyboard is a set of keys or buttons that are used to input info and instructions to a computer
hard drive the primary storage unit where the operating system, applications, files, ans data, stored magnetically
CDROM compact disk used to store data. holds up to 650 megabytes of data. COMPACT DISK READABLE ONLY MEMORY
CDROM drive small box with motor that reads what is on a CD-ROM with a laser
data pieces of info, the computer uses software to change data
program another word for program. it is a list of instructions
Operating system (os) tells the programs what to do
BIOS little alarm clock in computer (turns it on)
motherboard hold it all together
CPU central processing unit serving as the brain of the computer. gets very hot w/ ot fan
ROM read only memory (only reads)
RAM random access memory (reads and writes)
power supply gives electricity to the computer
modem connects computers to eachother
port hardwarwe plugs into it like keyboard or mouse
video cord allows graphics to be displayed on the monitor
power plug used to provide in the computer and out to the monitor
parallel port an electrical connector that is used to send info on wires at the same time to a printer
serial port used to connect older or specialized devices. sends parts of a message, examples: barcode scanner.
network interface cars (nic)(ethernet) a cable connection
universal serial bus (usb) external bus that transfers MBPS
Created by: mrspowell2