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COMPTIA A+- Chapter 1
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Terms in this set (74)
Electronic circuit card that connects into an expansion slot. Also called a controller, card, controller card, circuit card, circuit board, and adapter board.
Basic input/output system- Chip that contains computer software that locates the operating system, POST, and important hardware configuration parameters. Also called ROM BIOS, Flash BIOS, or system BIOS.
Wireless technology for personal area networks.
Device with no external power supply that allows other USB devices to be connected and powered by the bus. Contrast with a self-powered hub.
Type of USB that supports high speed, secure wireless connectivity between a USB device and a PC at speeds of 480 Mbps (~10 feet)or 110 Mbps (~30 feet). Wireless USB uses ultra-wideband, low- power radio over a range of 3.1 to 10.5 GHz.
Charging USB port
A port that is able to provide power to charge and run an unpowered attached device such as a flash drive.
Special software that allows and operating system to access a piece of hardware.
A port, developed by VESA (Video Electronics Standards Association), that can send and receive audio and video signals. Used primarily for display devices and can connect to a single link DVI or HDMI port with the use of a converter.
Part that has connections for a monitor, printer, keyboard, and mouse that allows a laptop computer to be more like a desktop system.
USB port used to connect a USB hub or USB device.
Connector with more pins or holes on the top side than the bottom so that a cable inserts in only one direction. Ex. Parallel, serial, and video ports.
More pins are available to send more signals, thus allowing higher resolutions.
Port on video adapter that is used to connect flat panel monitors to the computer.
Dual link connector that is less common than DVI-D or DVI-I. It is used to carry a DVI signal to an analog display, most commonly a CRT monitor.
Type of video connector used with digital monitors.
Most common type of DVI video connector that is used with both analog and digital monitors.
Nonpowered port used to connect external storage devices at a maximum of two meters.
eSATA/USB or power over eSATA. Accepts eSATA or USB cables and provides power when necessary.
Network system that carries computer data along with audio and video information. Ethernet adapters are the most common network cards.
Motherboard socket into which adapters are connected.
Combines hardware and software attributes. Example is a BIOS chip that has instructions (software) written into it.
Type of nonvolatile memory that holds data when the power is off.
Older storage device that accepts floppy disks.
Sealed data storage medium on which information is stored (Hard disk).
Tangible, physical item, such as the keyboard or monitor.
HDMI- High-Definition Multimedia Interface
Upgraded digital interface that carries audio and video over the same cable.
IEEE 1394 port
Port that uses the 1394 standard for high-speed audio and video device data transfers known as FireWire. A single port supports the connectivity of up to 63 devices.
Technology utilizes this and allows devices to communicate across a wireless network. Examples are laptop computers, printers, and handheld computing devices.
Used to enter data into a computer. Examples are keyboard, mouse, joystick, touch screen, trackball, camera, game console, scanner, and digital pen.
Motherboard that contains ports, such as mouse, keyboard, video, NIC, and USB ports.
Older term used to describe any device that can connect to the Internet through a wired or wireless network.
DIN connector on the motherboard into which only the keyboard cable must connect.
Connector or cable that has an extra metal piece that allows correct connections.
KVM switch- Keyboard, video, mouse switch
Component that allows multiple computers to be connected to a single keyboard, monitor, and mouse.
Mouse that uses a rubber ball to move the pointer.
Part of a computer that temporarily stores applications, user documents, and system operating information.
Motherboard connector sometimes called a PS/2 connector that is used to connect keyboards and mice.
Device that connects a computer to a phone line, or connects computers and mobile devise to broadband, wireless, Wi-Fi, Bluetooth, or satellite networks.
Motherboard-mainboard, planar, or system board
Main circuit board of a computer.
DIN connector on the motherboard that should only accept the mouse cable.
MSDS- Material Safety Data Sheet
Document that contains information about a product, its toxicity, storage, and disposal.
Technology used on mobile devices to use a finger or knuckle to interface with the operating system by pinching spreading, rotating, or swiping.
Port used to connect a computer to other computers, including a network server.
NIC- Network interface card
Adapter used to connect a device to a network.
Piece of software used to load a computer and make it operational.
Storage device that accepts optical discs, such as CDs, DVDs, or BDs that have data, music, video, or software applications.
Mouse that has optical sensors used to move the pointer.
Piece of computer hardware that receives (not sends to) data from a computer. Example is a monitor.
Old 25- pin female D-shell connector used to connect an older printer to a motherboard.
Pc- Personal computer
Common name for a computer, taken from IBM PC brand.
Connector located on the motherboard or on a separate adapter.
Part that is similar to a docking station. It attaches to the laptop computer and allows more devices such as a monitor, keyboard, and mouse to be connected.
Device that converts AC voltage into DC voltage that the computer can use to power all internal and some external devices.
RAM- Read Access Memory
Volatile type of memory that loses its data when power to the computer is shut off.
Board that connects to the motherboard and that hold adapters.
Type of connector used with analog modems and traditional phone jacks.
Type of connector used on Ethernet network cards and ports. Used to connect a device to the wired network.
ROM- Read Only Memory
Nonvolatile type of memory that keeps data in chips even when the computer is shut off.
SD- Secure Digital
Storage device with nonvolatile flash memory used for mobile devices.
Type of hub power mode in which an external power supply is attached.
Either a 9 pin male D-shell connector or a 25 pin male D-shell connector. Transmits 1 bit at a time and is used for input devices such as mice, modems, digitizers, trackballs, and so on.
Type of DVI video connection that allows resolutions up to 1920x1980.
Sleep-and charge USB port
Computer port that provides power to an attached device (power to charge the device) even when the computer is powered off.
Application consisting of a set of instructions that makes the hardware work.
Sound card- Audio card
Adapter card that has several ports that converts digital signals to audible sound, and also the reverse. Common devices that connect to the ports include microphones, speakers, and joysticks.
S/PDIF- Sony/ Phillips digital interface format
Defines how audio signals are carried between audio devices and stereo components. It can also be used to connect the output of a DVD player in a PC to a home theater or some other external device.
Composite video port, coded yellow that uses a 7 pin mini-DIN connector.
Type of video port on PCIe adapters or on Apple computers.
Multitouch technology for mobile devices developed by HTC Corporation which distinguishes between a finger and a stylus and responds appropriately.
Describes information that is sent to the Internet, such as transmitting email or uploading a file to a server.
USB OTG- USB on the go
Allows two USB devices to communicate without the use of a PC or a hub that is backward compatible with the USB 2.0 standard.
Port on a mother board or on an adapter that allows the connection of up to 127 devices.
Type of 15 pin three row video port that normally has a CRT monitor attached.
xD- Extreme digital
A storage device with nonvolatile Flash memory used for mobile devices.
THIS SET IS OFTEN IN FOLDERS WITH...
Comptia A+ Guide to Hardware Chapter 3
10 major internal parts of a computer
A+ Guide to Hardware Chapter 4 Vocabulary
A+ 220-901 port numbers
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