The primary user interface of a computer from which users can access programs, files and folders.

A stack of rigid disks, usually inside the computer, where data is stored magnetically.

a computer or computer program that manages access to a centralized resource or service in a network.

Stands for "Universal Serial Bus" and it refers to the most common type of computer port used to connect peripheral devices to computers.

The horizontal strip that contains lists of available menus for a certain program.

Executable software that runs on a computer. Also known as an application.

a collection of related web pages; can contain images, video, or other digital formats

Lines of computer code written by programmers that tell the computer what to do. Also known as a program or application

Stands for "Uniform Resource Locator". It is the address of a specific website or file on the internet.

The collection of webpages on the internet that can be accessed by a program called a web browser (such as Internet Explorer, Chrome, Safari or Firefox).

The software that communicates with the hardware and allows other programs to run. (such as Windows XP, Windows 7, Apple OS X)

A document that stores data in a grid of horizontal rows and vertical columns. Each cell can store a unique instance of data

Unwanted and unsolicited "junk" email or irrelevant postings to a newsgroup or blog.

Stands for "Portable Document Format' and it describes a file format that was developed and distributed for free by Adobe Systems. It can be used to display and print documents, text, fonts, and formatting from a variety of applications.

Stands for the "Joint Photographic Experts Group" which was the name of the committee that developed this format for digital pictures. It is a very common and extremely portable format for digital pictures and graphics on the internet.

computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it

A series of 8 binary bits that digitally represent a single character to the computer. Example: 00000001 = 1

Approximately 1,000 bytes.

Approximately 1,000,000 bytes

Approximately 1,000,000,000 bytes

Random Access Memory. Running programs from the computer's RAM allows for it to function without any lag time.

A type of computer memory that can be erased and programed electrically. A common example of this kind of memory would be a memory card in a digital camera or cell phone

A popular compressed file format for digital music downloads

The newest, and most versatile, type of USB connector.

port found on most laptops and desktops

A square shape with a bevel on one edge; Designed to be plugged in for long periods of time.

Less fat version of USB mini-B. (PS4 controller uses this one)