101 terms

Computer Engineering I 104

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Blu-ray Disk
A high capacity optical storage medium that varies in size based on the number of layers, may be ROM, R, or RE
Compact Disk
A low capacity optical storage medium that may be ROM, R, or RW
Compact Flash
A high speed solid state storage device most widely used with high performance photography equipment
Digital Versatile Disk
An optical storage medium that varies in size based on the number of layers and sides in use, may be ROM, R, or RW
External Serial Advanced Technology Attachment
Another interface that can be used to connect external storage devices usually designated by a USB-like size and shape on the motherboard I/O panel
Firewire
Defined in the IEEE1394 specification this is another interface that can be used to connect external storage devices.
Floppy Disk Drive
A magnetic storage device that uses pliable, coated disks to store information
Hard Drive
A storage device that uses magnetics to read and write information
Hot Swap
The ability for an interface to allow removal and connection of a device without restarting a computer
Integrated Drive Electronics
An interface standard on drives that has 39 pins and a 40 wire cable. Its connector is long, thin, and rectangular
Optical Disk Driver
A drive that operates on light based principles
Recordable
Often used in optical storage to refer to a medium that is read from and written to a single time
Redundant Array of Inexpensive/Independent Disks
A method of combining drives together to increase capacity, reliability, and/or performance
Revolution/Rotations Per Minute
A measurement that refers to how many times per minute a disk can rotate, often related to the speed at which a drive operates
ReWritable or Recordable/Erasable
Often used in optical storage to refer to a medium that is read from and may be written to multiple times
Secure Digital
A solid state memory standard maintained by the SD Association, SD devices have a very wide scope and can be found in a large variety of digital devices such as smartphones and cameras
Serial Advanced Technology Attachment
A serial connection that is usually part of the motherboard for connecting internal storage devices, L-shape
Small Computer System Interface
An older high speed interface best suited for servers, network storage, high-end workstations and RAID storage applications
Solid State Drive
A storage medium that uses solid state devices, like transistors, to store and write data, usually operate at higher transfer rates than ODDs and HDDs
Tape Drive
A magnetic storage device that specializes in high volume, often used by corporations to archive data for long periods of storage; slow, but low cost for the volume of data that can be stored
Universal Serial Bus
An interface that can be used to connect external storage devices
xD
Another solid state storage solution, this variation is maintained by Olympus, and looks similar to the SD devices
Expansion Card
A device that connects to an I/O bus and adds functionality to a PC
Firewire Card
An expansion device that provides IEEE1394 connectivity for high speed data transfer
Modem Card
An expansion device that is seldom used; it provides access to dial-up networking through one or two RJ-11 connectors
Network Card
An expansion device that provides network connectivity via wireless or wired interface
Parallel Card
An expansion device that provides a 25 pin female D-sub connection for legacy 8-bit-at-a-time connectivity
Serial Card
An expansion device that provides a nine pin male D-sub connection for legacy one-bit-at-a-time connectivity
Sound Card
An expansion device that is meant to increase the fidelity and/or output range of a PC's sound, modern sound cards connect to PCIe x1 slots
Storage Card
An expansion device that provides either PATA, SATA, SCSI, or SAS connections to support more or other types of storage devices, usually inserted into PCIe x4 slots
TV Tuner Card
An expansion device that allows connectivity to a television source device such as a cable box, designed to either stream the incoming signal or record it to the PCs storage devices
USB Card
An expansion device provides more Universal Serial Bus ports, this is common for PCs that lack a USB 3.0 port but require one
Video Capture Card
An expansion device that is very similar to the TV tuner, its purpose is to capture what is either on the PC display or what is coming in on its input ports
Video Card
An expansion device that uses parallel processing to produce images to be sent to a display device, modern graphics cards connect to PCIe slots
3D Printer
Uses heated plastic to form 3D objects, commonly used for prototyping
Analog
Display type that uses continuous signals (think waves) that vary over time to produce images
Anti-Glare Filter
Prevents outside light from hitting the screen
Brightness
The number of lumens a display can produce often measured cd/m2 (candelas/square meter), 300cd/m2 is common
Cathode Ray Tube
A legacy display that uses a vacuum sealed tube, electron guns, magnetism, and phosphorus screen to produce images
Contrast Ratio
The number of shades a monitor can produce between its brightest white and its darkest black, pay attention to the "Native" number
Digital
A display type that uses on/off switching to produce images, use exact measurements to produce color and allow light to be seen
Digital Video Interface
Type of display connector with 3 versions
Light Emitting Diode
An electronic component that produces light when current is run through it in the proper direction, often use a row of these to provide backlight because they produce large amounts of light while consuming low amounts of power
Liquid Crystal Display
A display that relies on either CCFL (cold cathode fluorescent light) or LED backlighting to produce images, based on electrical charge the liquid crystals align themselves to either pass or block the backlight; the color of light coming through is determined by an RGB (red, green, blue) pixel mixed at different intensities; pixels are arranged in a grid that is horizontally refreshed line-by-line on the display about 60 times per second
Multi-Display Setup
A PC viewing set up that provides the user with multiple monitors linked together to create a very large image
Native Resolution
The resolution that conforms exactly to the number of pixels on the screen, 1920 x 1080 capable screen has the ability to down scale and appear as a 1600 x 900 display, but this would not be its native resolution
Organic LED
A display that uses organic materials which produce their own light for its pixels thus eliminating the need for a backlight
Pixel Pitch
The distance between one pixel's center and the next closest pixel's center
Plasma
A display type that uses small cells of electrically charged ionized gas to produce image, known for quick response times and vibrant colors
Privacy Filter
A light altering device that prevents the images from being seen from most angles
Projector
A display that uses mirrors to beam light through a lens or lenses to increase its size
Refresh Rate
The number of times per second the LCD monitor can alter the same pixel, which reflects how many times per second the picture is sent to the monitor
Resolution
The number of pixels on a given display; common resolutions today include 1920 x 1080, 1366 x 768, and 1600 x 900
Response Time
The amount of time, in milliseconds, that a display takes to go from one color to another and back again, most measure black to white to black (BWB) or grey to grey (GTG) which is a modified version of BWB
Video Graphics Array
Three rows of five pins (DB-15), commonly blue
Barcode Reader
A specialized input device commonly used in retail and industrial sectors to manage inventory
Biometric Device
A device that measures the physical characteristics of a living thing, such as fingerprints or retina patterns, for authentication purposes
Corona
A conductor used to apply a charge during the laser printing process
Digital Camera
A device that captures images or video and stores them on some form of digital media
Digitizer
A device that allows a user to free hand draw, color, and edit using a stylus
Display
A peripheral that produces visual output so the user can interact with a PC
Fuser
An assembly inside laser printers that uses heat and pressure to melt toner onto paper
Gamepad/Joystick
A peripheral used with a PC or gaming console to allow for directional and functional control
Headset
A combination of the microphone and speakers that covers the ears
Imaging Drum
The photosensitive portion of a laser printer that gets energized to take on toner and then rotates to place toner on the paper
Impact Printer
A printer type that uses a print head to strike an inked ribbon to create the printed image
Ink
Colored liquid that is controlled by a print head to create images or text on paper
Inkjet Printer
A printer type that uses tiny controlled nozzles to spray ink in specific patterns to create printed images
Keyboard
A device that allows character and numeric input through the pressing of buttons (keys)
KVM Switch
A device that allows the same mouse, keyboard and monitor to be attached to multiple computers; used many times in server rooms to reduce the amount of equipment needed for lack of space
Laser Printer
A printer type that uses static electricity, toner, and a combination of heat and pressure to create printed images
Microphone
An input device that uses a diaphragm and magnetism to capture analog sound waves and turn them into digital signals
Mouse
An input device that uses mechanical or optical tracking to allow a user to move an on-screen cursor for interaction with a PC
Musical Instrument Digital Interface
An interface standard that allows electronic musical instruments, computers and other related devices to connect and communicate with each other
Peripheral
Devices that connect to a PC and allow us to interact with them, may be used as input, output, or both
Print Head
The part of an impact printer that uses pins to press an ink ribbon onto paper to create text
Ribbon
A piece of cloth that is wound between two spools and soaked in ink that is used to create text inside of an impact printer
Roller
A device that rotates on paper to move one sheet at a time inside of a printer
Scanner
A device that converts a picture or document to a digital image file
Speaker
A peripheral device that like a microphone, uses a diaphragm and magnetism to output sound
Thermal Printer
Printer type that uses heating elements to create images on heat-sensitive paper
Toner
A particle of plastic and ink that is used to create images in a laser printer
Touch Screen
Type of display that uses touch as an input method
Tractor Feed
A mechanism with raised notches that match the holes of specialized paper for an impact printer; pulls the paper through the printer
Webcam
An input peripheral that can be used for image or video capture that is commonly associated with video conferencing
Coaxial Cable
A data cable that carries its signal over a central conducting core and a braided surrounding layer
Component Video Cable
Older video cable that transmits the video signal as three separate color components
Composite Video Cable
Older video cable that transmits signal much like a coaxial cable
Digital Visual Interface
A digital interface that transmits high quality video and audio simultaneously
Display Port
A digital interface that transmits high quality video, audio and network traffic simultaneously
High Definition Multimedia Interface
A digital interface that transmits high quality video, audio and network traffic simultaneously
Parallel
In relation to data transfer this refers to the ability to transfer multiple bytes simultaneously
Parallel Advanced Technology Attachment
The internal drive data transfer standard prior to SATA
Personal System 2
A serial data connector, created by IBM, used to connect keyboards and mouses
Registered Jack 11
A 6 pin jack used for telephone connections
Registered Jack 45
An 8 pin jack used for data connections
S-Video
A low quality, deprecated video interface that used a DIN style connector
Serial
In relation to data transfer this refers to the ability to transfer one bit at a time
Serial Attached Small Computer System Interface
A server interface for drive connectivity
Sony Philips Digital Interface
An optical audio transfer interface for high quality audio
Thunderbolt
A high speed, external data interface