a computer program that does a user-oriented job
to figure, as to add, subtract, multiply, and so on.
a single letter, digit, or special symbol such as ?, #, or *.
an integrated circuit. A thin piece of silicon that contains all the components of an electronic circuit.
a message from the user to the computer that tells it what to do next
a term that describes hardware and software that can work together
a device used to accept, process, store, and get information
a symbol, such as a square or underline bar, that shows where you are on the screen; the cursor may flash or blink
the symbols used to represent facts, events, or things; the raw material of information
a set of methods for collecting, handling, and outputting data to reach certain goals
a flat, circular piece of metal or plastic coated with magnetic material and used for storing data
the device used to store data on a disk and to read what is stored on the disk
a connector inside a computer designed to allow a user to add
a reusable magnetic storage medium that uses a thin mylar circular disk as the storage surface
output that is printed on paper
the physical parts that make up a computer system- for example, keyboards, printers, monitors, and so on
a set of data that has meaning and is useful
the step in the data processing flow during which data is collected and entered into the computer
a complete circuit on a chip, built by a chip fabrication process
a computer input device that uses a set of keys to put data into the computer
1,024 (2^10) storage units (1,024 bytes) often rounded to 1,000; a measure of computer memory
to put a program into a computer's primary memory from a disk or tape
a measure of speed, one million cycles per second
a place to store information; usually coded in a binary format
a list of choices shown on the screen from which the user picks a command or data to enter into the computer
a scaled-down version of a mainframe, or full-sized computer
a video display device or screen used for showing output
the main circuit board of a computer housing the microprocessor and providing the means of connecting all components that make up the computer
a computer input device used as a pointing and drawing instrument by selecting specific positions on the monitor display
the computer generated information that is displayed to the user in some discernible form such as a screen display, printed page, or sound
a device that is attached to the computer and aids in input and/or output
the section of a computer that holds instructions, data, and intermediate and final results during processing; also known as intermal storage, main storage, primary storage, or random access memory (RAM)
a machine that prints characters or other images on paper
the second step of the data processing flow in which the computer acts on data
a set of step-by-step instructions that tell a computer exactly how to do a certain task
a code in which a computer program is written
Random Access Memory (RAM)
form of primary memory in which instructions and data can be read, written, or erased
term used to describe the computer's activity of getting an item in memory and interpretting it
Read Only Memory (ROM)
form of primary memory that holds items that can be read but not erased or changed by normal computer input
a machine that changes images from paper or photos into digital form that the computer can use
all storage materials other than primary storage
a computer program that imitates a real-world situation; it can show what happens when conditions in that situation are changed
a temporary display of output seen on a monitor
programs, or instructions, that tell a computer exactly what to do
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