instructions executed by a computer, as opposed to the physical device on which they run
the collection of software that directs a computer's operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources.
Also called login name, logon name, sign-in name, sign-on name. a unique sequence of characters used to identify a user and allow access to a computer system, computer network, or online account.
a word or other string of characters, sometimes kept secret or confidential, that must be supplied by a user in order to gain full or partial access to a multiuser computer system or its data resources.
when uppercase and lowercase letters are different (like in password)
Data transferred from the outside world into a computer system via some kind of input device.
Data transferred from a computer system to the outside world via some kind of output device.
the preset selection of an option offered by a system, which will always be followed except when explicitly altered
the mechanical, magnetic, electronic, and electrical devices comprising a computer system, as the CPU, disk drives, keyboard, or screen.
a device with a screen that displays characters or graphics representing data in a computer memory.
A hardware device consisting of a number of mechanical buttons (keys) which the user presses to input characters to a computer.
a palm-sized, button-operated pointing device that can be used to move, select, activate, and change items on a computer screen
the key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions
a system of interconnected computer systems, terminals, and other equipment allowing information to be exchanged
space on district network for student/staff data storage
set of steps to solve problems