Computer
A programmable machine that receives input, stores and changes data, and provides output in a useful format
Computing
The process of utilizing computer technology to complete a task
Computer Science
The study of the ideas, ways of thinking, languages, software, and hardware needed to solve problems with computers
Computer Hardware
The physical parts and components of a computer
Input Devices
Hardware components that allow a computer user to enter data, commands, and responses
Output Devices
Hardware components that allow the user to view, hear, or touch the information resulting from the computer's processes
CPU
An abbreviation for Central Processing Unit
Central Processing Unit
The key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions
Storage
Hardware components that allow a computer to remember data and instructions either temporarily or permanently
RAM
An abbreviation for Random Access Memory
Random Access Memory
The place in a computer where the operating system, applications, and data in current use are kept so that they can be quickly reached by the CPU
Hard Disk Drive
A spinning mechanism that reads, writes, and stores data and programs for a computer
Solid State Drive
An electronic device - with no moving parts - that reads, writes, and stores data and programs for a computer
Motherboard
A printed circuit board on which the CPU, RAM, and other electronic circuits of a computer are frequently located
Operating System
The software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling input and output devices
Video Card (Graphics Card)
An expansion card (circuit board) that connects to a computer motherboard to process and send graphics information to a monitor, screen, or other display device
Sound Card
An expansion card (circuit board) that connects to a computer motherboard to process and send audio information to speakers or headphones
Modem
A hardware device that allows computers to send and receive information to and from other computers; it is essential for internet access
processing
the work done by a computer to turn inputs into outputs; execution of computer programs
Ethernet Port
An opening in a computer for connecting a communication cable; it is the most common type of wired connection between a personal computer and a network of computers (including the internet)
WiFi
The most common type of wireless connection between a personal computer and a network of computers (including the internet)
Bluetooth
A short-range wireless technology that allows communication between computers and other devices, such as input and output devices
VGA Port
The most common analog interface for sending graphic signals from a computer and a monitor
HDMI Port
The most common digital interface for sending graphic and audio signals from a computer to an output device
USB Port
The most common digital interface for connecting peripheral devices (such as mice, keyboards, and printers) to a computer; it can also be used to supply electricity for powering or charging equipment
router
a device that takes a signal from a modem and allows multiple devices to use that signal, usually through ethernet cables or WiFi