the main part of a computer. It contains the CPU, motherboard, memory, disc drives, power supply, and ports

a set of keys used to enter information into computers. The keys are arranged much like that of a typewriter's keys

the main circuit board of a computer. It makes everything in a computer work together.

the "brain" of the computer where the actual work is done.

a type of computer memory that runs the operating system and applications on a computer. The more RAM a computer has, the more applications it can run at the same time.

a board that plugs into a computer

the component that supplies power to a computer

a device that connects to a computer and displays information on a screen

a device that controls the movement of the cursor on the monitor. It is a small, hand-held object that you can move along a flat, smooth surface. It has 1-3 buttons that let you move and select things on screen

a machine that reads data from and writes data onto a disc

the place where all a computer's data is stored. The data is stored on a stack of discs inside a solid encasement

a port that can be used to connect keyboards, mice, printers, scanners, etc. It is the most common kind of port

a place where a device like a printer or keyboard can be plugged into

a device that connects a computer to another device, such as sound or video cards

a software program that runs on a computer. Typing programs, games, and e-mail are all applications.

a copy of one or more files. A backup file is created just in case the original file is lost or damaged.

a numbering system that computers use to store data and compute functions. The system uses only two digits: 1 & 0

the smallest and most basic amount of information that can be used by a computer. A bit can hold only a value of 1 or 0

to write data to a disc

a unit of storage in a computer. One byte is equal to 8 bits

a flat, circular disc that can store about 700 MB of data. A laser beam is used to read from and write to it

a programmable electronic device or machine. It can follow a list of instructions and respond to new instructions given to it

a movable indicator on the screen showing where text can be inserted. It is usually a vertical line or a block that blinks

information that is processed or stored by a computer

a collection of information stored into a computer. It is designed to be quickly searched, sorted, expanded, and updated.

to find and remove errors in a computer program

a compact disc used primarily for storing an entire movie. It can hold 4.7 GB to 17 GB of data

a thin, circular object of magnetic or optical material that holds data

a file created by a word processing program

the process of copying data onto your computer from somewhere like a CD or the Internet

a type of connection computers use to connect to another computer, a small network, or the Internet. An Ethernet port looks like a phone jack but is wider

a collection of data stored and dealt with as a single unit. It is stored under a name called a filename.

a soft, magnetic disc used to store information. It is inserted into the computer's floppy disc drive, and data is saved to it. It is not used as often as CDs or DVDs

a place where files are stored in a computer

1,073,741,824 bytes; 1,024 megabytes

the physical parts of a computer- keyboards, disc drives, printers, monitors, hard disc drives, etc.

data going into the computer

a handheld device commonly used to play games. It usually has a base and a stick that can be moved in any direction. It may also have 2-10 buttons.

1,024 bytes

1,048,576 bytes; 1,024 kilobytes

a device that lets a computer send data over telephone cable lines

two or more computers connected to each other for the purpose of sharing files

a card inserted into a computer so that the computer can be connected to a network

the software that controls how the computer runs and processes information

data or information coming out of a computer

a file format that captures the text, fonts, pictures, and formatting form from a document

a device that is not part of the main computer. Printers, monitors, and disc drives are all peripherals

the button that turns the computer on and off

a device that can produce a paper copy of something

a device that moves data between computer networks

a device that allows a computer to "see" a drawing, flat piece of artwork or photo so that it can be read into the computer, edited, or stored

a computer or device on a computer network that provides information to other computers on the network. When computers connect to the server, they can access files, programs, printers, etc.

a mobile phone with more computing capability and connectivity than a cell phone. Typically features a touch-screen, camera, GPS, games, etc.

a written sequence of coded instructions that tell a computer what to do and exactly how to do it. Another name for software is programs

a document that organizes information in rows and columns

a mobile computer that is primarily operated by touching the screen

the process of copying data from your computer to another computer

a small, portable memory card used to store data from a computer. It connects to a computer's USB port and is like a portable hard drive

a program or code that is loaded onto a computer and run against the user's wishes. It can create, move, and erase files or destroy memory. It can also "infect" a computer by attaching copies of itself into the programs or files stored on a computer's hard drive. This is called self-replicating

a term used to describe a computer network that is connected by radio waves and/or microwaves instead of wires

a computer system or program that can create, edit, or store text documents such as letters, notes, reports, etc.

Disk inside the computer that holds data and software

Compact disc, read only memory

Machinery of a computer; it can be seen and touched

Programs or commands that instruct computers

Tiny silicon chip containing thousands of components

Storage device separate from computer

Tv screen which displays data

Sends computer information over a phone line

Used to enter and edit screen information

Data-storage section of the computer

Step-by-step computer instructions for doing a task

A personal computer

Universal Serial Bus, allows attachment for peripherals

Central Processing Unit - executes the programs

Screen marker that shows your screen location

A mistake or problem with a program

Related information stored in computer memory

What you enter into the computer's memory

What the computer sends to memory or to you

Computer that provides services to other computers in the network