Practices

computer port

class

computer hardware for interfacing with external peripherals or networks

Alt key

class

modifier key on computer keyboards used to type special characters

Universal Media Disc

class

optical disc medium for PlayStation Portable

CPU cache

class

dynamically managed local memory that mirrors main memory in a microprocessor to reduce the cost of

memory management unit

class

computer hardware unit having all memory references passed through itself, primarily performing the

dot matrix printer

class

class of printers

Intel MCS-51

class

single chip microcontroller series by Intel

CD-R

class

compact disc format that can be written once and read arbitrarily many times

flat-panel display

class

electronic display device in a flat form factor

video game controller

class

device used with games or entertainment systems

Atmel AVR

class

family of microcontrollers

multi-core processor

class

microprocessor with more than one processing unit

shift key

class

modifier key on many computer keyboards, used to write capital letters or common symbols

open hardware

class

hardware whose design documents are openly accessible to and modifiable by others

tape drive

class

data storage device that reads and writes data on a magnetic tape

control key

class

keyboard modifier key that changes the function of other keys, often used in combination with other

head-up display

class

transparent display presenting data within normal sight lines of the user

geophone

class

Device that converts ground movement (velocity) into voltage, which may be recorded at a recording s

magnetic-core memory

class

predominant form of random-access computer memory for 20 years between about 1955 and 1975

floating-point unit

class

coprocessor for floating point arithmetic

universal asynchronous receiver/transmitter

class

computer hardware device

pointing device

class

computer input device used to move the pointer (e.g. mouse or trackpad)

projection screen

class

white screen for projecting

Nixie tube

class

gas-filled digital indicator tube using stacked cathodes in the shape of digits or characters

dynamic range compression

class

audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds t

multifunction printer

class

office machine which incorporates the functionality of multiple devices in one

seven-segment display

class

form of electronic display device for displaying decimal numerals

non-volatile random-access memory

class

random-access memory that retains its information when power is turned off (non-volatile),in contras

PIC microcontroller

class

series of microprocessors

drum memory

class

magnetic data storage device

DIMM

class

computer memory module that has separate electrical contacts on each side of the module and a 64-bit

keyboard

class

data input device

program counter

class

processor register that indicates the location in memory of the currently-executing instruction in t

refreshable braille display

class

device for displaying braille characters

push-button

class

simple mechanism with an area that can be temporarily pushed down to control a device

superscalar processor

class

CPU that implements instruction-level parallelism within a single processor

function key

class

key on a computer or terminal keyboard

disk image

class

computer file containing the contents and structure of a disk volume

real-time clock

class

computer clock in the form of an integrated circuit that keeps track of the current time

dongle

class

small piece of hardware that attaches to computer or other electronic device

computer speaker

class

loudspeaker with box or a set of such used as an external computer peripheral; usually includes an a

arrow key

class

computer key designed to move the cursor in a specified direction

DVD-RAM

class

optical disc technology with emphasis on random writing and rewriteability support

headset

class

combination of an earphone or two earphones and microphone worn on the user's head and used for comm

stylus

class

pen-shaped instrument used in computing as a pointing device for drawing

journaling file system

class

file system that keeps track of not yet committed changes in a data structure called a “journal” (us

Duron

class

series of CPUs by AMD

accumulator

class

arithmetic register

Windows key

class

computer keyboard key for Windows

pointing stick

class

isometric joystick typically mounted in a keyboard

security token

class

peripheral device used to gain access to an electronically restricted resource

Athlon 64 X2

class

dual-core desktop CPU designed by AMD

LED display

class

display technology

RDRAM

class

type of synchronous dynamic random-access memory developed by Rambus

d-pad

class

flat, usually thumb-operated directional control on most modern video game controllers and remote co

carbon microphone

class

type of microphone design

Live USB

class

USB flash drive or a USB external hard disk drive containing a full operating system that can be boo

RAM drive

class

RAM used to emulate secondary storage

MagSafe connector

class

series of proprietary, magnetically attached wired power connectors from Apple

docking station

class

device breaking out multiple ports for connection of a portable computer or mobile device