the central processing unit--the component that executes commands from a computer's hardware and software; the principal computer chip that contains several processing components, which determines the computer's operating speed; the "brain" of a computer
a hardware component that allows data to be entered into the computer through a variety of devices such as a keyboard, microphone, scanner, flash drive, or mouse
the action of gaining access to a computer or a network by entering a username and password; also called Login/Sign In
computer chips that store data and programs while the computer is working; often called RAM or Random Access Memory
a hardware component that allows the user to view or listen to the data a computer processes such as a monitor, printer, headphones, or speakers
additional hardware that isn't necessary for a computer to function, but does enhance how the computer can be used
internal or external hardware used to store and retrieve data, such as a disk drive, CD/DVD drive, flash drive, or tape drive
a computer case that contains the CPU, power supply, memory, and storage
a type of electronic signal that is processed, sent and stored in bits
= 8 bits; a single character of data
the physical components of a computer system
the main circuit board of a computer
the hardware device that controls the timing on a computer; measured hertz
one billion cycles per second
universal product code---a bar code
optical mark reader--a scanning device that reads bubble sheets
optical character reader--a device that reads handwritten or typed text
the unit of measurement for describing the speed of a printer
type of printer that "burns" the data to the page; most common in business
type of printer that is used most commonly for personal use
the unit measurement for describing the quality of a printer
a communication device for connecting to the Internet; example: phone, DSL, cable
network interface card; a communication device for connecting a computer to a network
one billion bytes
one million bytes
type of storage media that uses a laser to burn data to the storage media
type of storage media that is used in memory cards and flash drives
type of storage method that is used by most hard drives to store data
output printed on paper
output displayed on a screen
Input or output?
Input or output?
magnetic or optical?
optical or flash?
optical or magnetic?
What is this?