Computer ed vocab flash cards

Cards

Toolbar a horizontal row or vertical column of selectable buttons displayed on a computer screen, allowing the user to select a variety of functions
Byte The byte is a unit of digital information in computing and telecommunications.
CPU central processing unit: the key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions.
Cursor a movable, sometimes blinking, symbol that indicates the position on a CRT or other type of display where the next character entered from the keyboard will appear, or where user action is needed, as in the correction of an erroneous character already displayed.
Firewall an integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer system.
Gigabyte a measure of storage capacity equal to 1 billion (10 9 ) bytes.