Cache Memory Hits
Misses RAM
Memory Module Virtual Memory
Latency Non-Volatile Memory

 

In cache memory, a hit occurs when the requested data is found in the cache. Cache memory is a type of high-speed memory that stores frequently used data for quicker access.
Random Access Memory, a type of computer memory that is volatile and temporary, used to store data that can be accessed quickly by the CPU. In cache memory, a miss occurs when the requested data is not found in the cache and needs to be fetched from the main memory.
A technique that uses a portion of the computer's hard drive as an extension of RAM, allowing the system to run more programs simultaneously. A small circuit board that contains multiple RAM chips and is inserted into a computer's motherboard to provide additional memory.
A type of computer memory that retains data even when power is not supplied, such as ROM or flash memory. The delay between the time a memory request is made and the time the data is accessed, measured in nanoseconds.

 

Memory Management Swap Space
Touchscreen Gestures
Trackpad Mouse
Stylus Multi-Touch

 

An area of the hard disk used by the operating system as an extension of physical memory (RAM) when the system needs more memory than it currently has. Memory management is a process of efficiently allocating and deallocating memory in an operating system to optimize overall system performance.
Movements or actions made by a user to control or interact with a device, often using touch or motion. A touch-sensitive display that allows users to interact with a device by directly touching the screen.
A hand-held pointing device used to control the cursor on a computer screen by moving it across a flat surface and pressing buttons. A flat surface on a laptop or input device that is used to control the cursor or perform other functions by moving a finger across it.
The ability of a touchscreen or touchpad to recognize and respond to multiple simultaneous touch inputs, allowing for gestures like pinch-to-zoom or rotate. A small pen-shaped input device used to interact with touchscreens or graphics tablets by applying pressure or making precise selections.

 

Touchpad Haptic Feedback
Touch-Sensitive Gesture Recognition
Keyboards Mechanical Keyboards
Membrane Keyboards Ergonomic Keyboards

 

Vibration or tactile sensations produced by a device to provide users with physical feedback or simulate the sensation of touching physical objects. A small, flat surface on a laptop or input device that acts as a pointing device, allowing users to move the cursor by sliding a finger along it.
The ability of a device or software to interpret and respond to specific movements or gestures made by a user, enabling more intuitive interaction. Capable of detecting or responding to touch or pressure, often used to describe surfaces or devices that can be controlled by touch input.
Keyboards that use mechanical switches for each individual key, providing a tactile and audible feedback when pressed. A device used to input text, commands, and other functions into a computer or electronic device.
Keyboards designed to reduce strain and discomfort during typing by positioning keys and wrist rests at a more natural angle. Keyboards that use a thin, flexible membrane layer with pressure pads to register keystrokes.

 

Programmable Keyboards Pin Pad
ATM POS Terminal
Automated Input Devices Barcode Scanner
Biometric Scanner Optical Character Recognition (OCR)

 

A device used for entering a personal identification number (PIN) to gain access to a secure system or perform a transaction. Keyboards that allow users to customize the functionality and assign macros or shortcuts to specific keys.
Point of Sale terminal, a device used to process payments at retail locations. Automated Teller Machine, a self-service machine that allows banking transactions to be performed.
A device that uses light beams to read and decode barcodes, converting them into machine-readable information. Devices that are capable of automatically receiving and processing input from external sources without human intervention.
The technology that converts printed or handwritten text into machine-encoded text, enabling computers to recognize and process the text. A device that measures unique physical or behavioral characteristics (e.g., fingerprints, iris patterns) to authenticate or identify individuals.

 

Microphone Array Voice Recognition
Magnetic Stripe Reader Chip And PIN
Contactless Payment Offline PIN Verification
RFID Reader RFID Tag

 

The technology that converts spoken words into text or commands, allowing users to interact with devices using their voice as input. A group of microphones that work together to capture and process sound from multiple directions, often used for voice recognition or audio conferencing.
A technology used for credit and debit card transactions that combines a microchip embedded in the card with a personal identification number (PIN) to provide enhanced security. A device that reads data from a magnetic stripe on a card or document.
A method of verifying the PIN on a chip and PIN card without requiring an online connection to the card issuer's server. It enhances security by reducing dependence on network availability. A method of making secure payments using a contactless-enabled card, mobile device, or wearable without the need to physically swipe or insert the card into a terminal.
A small device that contains an antenna and a microchip, used for storing and transmitting data wirelessly via RFID technology. A device that uses radio frequency identification (RFID) technology to read and capture data from RFID tags.

 

NFC Reader Contactless Technology
Document Scanner Scan
Image Sensor Dpi
Flatbed Scanner Duplex Scanning

 

A technology that allows communication between devices using radio waves without the need for physical contact. A device that reads Near Field Communication (NFC) tags or cards.
The process of capturing an image of a document using a document scanner. A device used to convert paper documents into digital format.
Dots per inch; a measure of the resolution of a document scanner. The component of a document scanner that captures the image of a document.
The capability of a document scanner to scan both sides of a document simultaneously. A type of document scanner that has a glass plate on which documents are placed for scanning.

 

OCR PDF
Voice Recognition System Speech Recognition
Natural Language Processing Text-To-Speech
Sensor Temperature Sensor

 

Portable Document Format; a file format commonly used for storing scanned documents. Optical Character Recognition; the technology used to recognize text in scanned documents.
The ability of a machine or computer program to identify and understand spoken language. A system that uses technology to convert spoken words into written text or commands.
The conversion of written text into spoken words using synthetic voices. A field of study focused on the interaction between computers and human language.
A sensor that measures the temperature of its environment A device that detects and responds to a physical stimulus

 

Motion Sensor Proximity Sensor
Light Sensor Pressure Sensor
Humidity Sensor Accelerometer
Gyroscope Analog To Digital Converter

 

A sensor that detects the presence or absence of nearby objects A sensor that detects the movement of objects or individuals
A sensor that measures pressure or force in a medium A sensor that measures the intensity or brightness of light
A sensor that measures acceleration forces A sensor that measures the moisture content or relative humidity in the air
A device that converts the continuous analog signal into a discrete digital representation. A sensor that measures orientation and rotational changes

 

Magnetic Sensor Magnetometer
Infrared Sensor Ultrasonic Sensor
Ultrasound Transducer
Printer Plotter

 

A device used to measure the strength or direction of a magnetic field. A device that measures or detects changes in magnetic fields.
An electronic device that measures the distance of an object using ultrasonic waves. A device that senses and detects infrared radiation.
A device that converts energy from one form to another, such as from electrical to mechanical or vice versa. Sound waves with frequencies higher than the upper audible limit of human hearing.
A device that uses one or more pens to draw continuous lines on paper, used for producing high-quality graphics or CAD drawings. A hard copy output device that produces printed text or images on paper.

 

Laser Printer Inkjet Printer
3D Printer Extruder
Filament Build Plate
Piezoelectric Printers Inkjet Technology

 

A printer that propels droplets of ink onto paper to create text or images. A printer that uses a laser beam to produce high-quality text and graphics on paper.
The part of a 3D printer that melts and deposits the printing material layer by layer. A device that uses additive manufacturing techniques to create three-dimensional objects.
The flat surface where the object being printed is built upon in a 3D printer. The material, typically plastic, used as the printing medium in a 3D printer.
A printing technology that uses tiny droplets of ink to create printed images. Printers that use the piezoelectric effect to create small droplets of ink.

 

Thermal Inkjet Print Resolution
Print Head Monitor
Projector Digital Signage
VR Headset LCD Projector

 

The level of detail and sharpness of an image or text produced by a printer. A type of inkjet printer where heat is used to vaporize ink and create bubbles that propel the ink onto the paper.
A display device that provides visual output from a computer. The part of a printer that contains the nozzles and controls the ejection of ink droplets onto the paper.
Displays used for advertising or information purposes, often in public spaces. A device that projects visual output onto a surface, such as a wall or screen.
A type of projector that uses liquid crystal display technology to project images. A device worn on the head that provides visual output for virtual reality experiences.

 

DLP Projector LED Projector
Long Throw Projector Full HD Projector
E-Ink Displays Braille Display
Visually Impaired Tactile

 

A type of projector that uses light-emitting diodes (LEDs) as the light source. A type of projector that uses digital micromirror device (DMD) technology to project images.
A projector that supports a resolution of 1920x1080 pixels. A projector that can project large images from a long distance.
A device that allows blind or visually impaired individuals to read text through touch by converting digital text into braille Paper-like displays that mimic the appearance of traditional ink on paper.
Related to the sense of touch Having a partial or total loss of vision

 

Embossed Speaker
Headphones Sound Card
Diaphragm Haptic Feedback Devices
Tactile Feedback Force Feedback

 

A speaker is a device that converts electrical signals into sound waves. Raised or elevated in design, often used in braille printing
A sound card is a computer hardware component that processes and outputs audio signals to speakers or headphones. Headphones are a pair of small speakers that are worn over the ears to listen to audio privately.
Devices that provide tactile feedback to the user through vibrations or other movements A thin, flexible material that vibrates to produce sound.
The sensation of physical resistance or vibration produced by a device in response to user input The use of touch sensation to communicate information or instructions to the user

 

Haptic Technology Immersion
Kinesthetic Sense Wearable Haptic Devices
Embedded Devices Microcontroller
Firmware Real-Time Operating System (RTOS)

 

The degree to which a user feels completely absorbed or deeply engaged in a virtual or digital environment Technology that allows users to experience touch-like sensations through various output devices
Portable devices that provide haptic feedback and can be worn on the body The ability to perceive the position and movement of one's own body and limbs
Integrated circuit containing a processor core, memory, and programmable input/output peripherals. Small computer systems designed to perform specific functions within larger electronic systems.
Operating system designed to handle real-time applications, providing deterministic behavior and precise timing control. Software that is permanently stored in non-volatile memory of an embedded device.

 

Internet Of Things (Iot) Embedded Software
Single-Board Computer ROM
Boot-Up Sequence Erasable Programmable ROM (EPROM)
Bootloader Flashing Tool

 

Software that runs on embedded devices, controlling their functionality and facilitating communication with external systems. Network of physical devices embedded with sensors, software, and connectivity, enabling them to collect and exchange data.
A type of non-writeable computer memory that retains its contents even when the power is turned off. Complete computer built on a single circuit board, commonly used in embedded systems.
A type of ROM that allows for the erasure and reprogramming of its contents, The process by which a device retrieves instructions from ROM to start up and initialize its hardware components.
Software used to flash ROMs, kernels, and other system files onto Android devices. A program stored on the device that determines which software to load when the device is powered on.

 

Bricking ROM Flashing

 

The process of installing a new or custom ROM on a mobile device's internal memory. A term used to describe a device that has become unusable due to errors or incorrect flashing procedures.