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Terms in this set (44)
an electronic device that manipulates information, or data
any part of your computer that has a physical structure, such as the computer monitor or keyboard.
any set of instructions that tells the hardware what to do
personal computer (PC)
desktop or laptop computer
a personal computer that typically sits on a desk with a monitor, keyboard and mouse
a personal computer that is smaller and more portable
is a computer that "serves up" information to other computers on a network
the most important software that runs a computer and manages it's memory, processes and all of the software and hardware.
when your turn your computer on it runs test to make sure it is working correctly, checks for new hardware and starts the operating system
Graphical User Interface (GUI)
uses a mouse to click on icons, buttons, and menus and everything is clearly displayed on the screen using graphics and text
a type of software that allows you to perform specific tasks
applications for mobile devices
applications for desktop or laptop computers
having more than one application open at the same time
all of the things you can access remotely over the Internet
run in the cloud and do not need to be installed on your computer
the metal and plastic box that contains the main components of the computer.
works with a video card, located inside the computer case, to display images and text on the screen.
monitors that usually have LCD (liquid crystal display) or LED (light-emitting diode) displays
the link between the power outlet and the power supply unit in the computer casing
one of the primary ways we communicate with the computer and enter data
a pointing device that lets you point to objects on the screen, click on them, and move them.
uses an electronic eye to detect movement and is easier to clean
a touch-sensitive pad that lets you control the pointer by making a "drawing" motion with your finger
lets you use the laptop when it's not plugged in
a specialized power cable for a laptop
Its job is to carry out commands.
millions of instructions per second.
billions of instructions per second.
the computer's main circuit board that connects directly or indirectly to every part of the computer.
Power supply unit
converts the power from the wall outlet to the type of power needed by the computer.
data disappears when the computer is turned off.
RAM (random access memory)
the computer's short-term memory.
data is still saved even if you turn the computer off or unplug it.
is the data center of the computer, where software is installed and your documents and other files are stored.
devices that you can plug into extra ports on your computer.
output device is used to print documents, photos, or anything else that appears on your screen.
input device that allows you to copy an image or document and save it to your computer as a digital image.
Device that communicate information from the computer to the user.
Device that receives information from the user.
output devices that allows you to hear sound and music.
input device that allows you to record sound or to communicate to another user over the internet.
input device that lets you capture a picture or video in digital form.
port used to connect any device.