Flashcards
embedded midterm
Flashcards do conjunto (55)
- 1accepts the data signals from the external world into the system which may be directed to any number of destinations.input block
- 2is a device that measures a physical quantity.A sensor
- 3an electromagnetic radiation detector that uses ultraviolet to far infrared spectral range.Light Sensitive Sensor
- 4is a reverse-biased semiconducting optical sensor that is biased against its easy flow direction so that the current is very low.Photodiode
- 5provides temperature feedback to a system controller to make decisions.Temperature Sensor
- 6can detect white lines in black and black lines in white via the TTL signal.Line-tracking Sensor
- 7uses sonar to determine the distance from an object.Ultrasonic Sensor
- 8is an electronic device that is used for motion detection.Motion Sensor
- 9are wieldy used to detect gas leakages of LPG, Butane, Propane, Methane, Alcohol, Hydrogen,and smoke in houses and factories.Gas Sensors
- 10is an omni-polar magnet sensor used to detect magnetic objects.Hall Sensor
- 11It can be used for proximity switching, positioning, speed detection, and current sensing applications.Hall Sensor
- 12is a complete color detector that can detect and measure a nearly limitless range of visible colors.Color Sensor
- 13is a digital tilt switch in which there are two modules: mercury-based and ball-based.Digital Tilt Sensor
- 14- is an analog voltage output sensor that detects the acceleration of a moving object.Triple Axis Accelerometer
- 15It can be used for detecting acceleration information or measuring the slope angle for your devices.Triple Axis Accelerometer
- 16is used in detecting loud sounds in an ambient environment.Analog Sound Sensor
- 17It uses an electret condenser microphone to convert sound energy into an electrical signal, just like how a speaker operates.Analog Sound Sensor
- 18is a technology through which sounds, words, or phrases spoken by humans are converted into electrical signals.Voice recognition
- 19These signals are transformed into coding patterns that have been assigned meaningVoice recognition
- 20is a digital plug that plays sensor blocks.Vibration Sensor
- 21It is made up of a spring and a conductive material passing through the center of the spring.Vibration Sensor
- 22can be used to detect fire or other wavelengths at 760-1100 nm light. The detection angle is roughly 60° and the sensor is particularly sensitive to the flame spectrum.Flame Sensor
- 23When any object with capacitive characteristics comes close to a capacitive touchsensor, it acts as another capacitor due to its dielectric nature.Capacitive Touch Sensor
- 24Two types of Image SensorCMOS sensor & Charge-coupled Devices (CCDs)
- 25The architecture of CMOS sensor arrays is similar to that of standard memories in which individual pixels can be randomly addressed and read out.CMOS sensor
- 26In CCD technology, charges must be transferred from one pixel to the next until they can finally be read out at an array boundary.Charge-coupled Devices (CCDs)
- 27- simply connects to two analog outputs based on the commands: X and Y control. It is madeup of two potentiometers and a press button which provides a solution to move robots to a target directly.Joystick Module
- 28Methods for biometric authentication include iris scans, fingerprint sensors, and face recognition.Biometric sensors
- 29This technology is based on the response of a tag to radio frequency signalsRadio-frequency identification (RFID)
- 30consists of an integrated circuit and an antenna which provides identity to an RFID readertag
- 31are abstract entities characterized by the essential properties of communication, such as maximum information transfer capacity and noise parametersChannels
- 32are the physical entities enabling communication. The probability of communication errors can be computed using communication theory techniques.Communication media
- 333 Package typeSystem-in-Package (SiP)
Package-on-a-Package (PoP)
System-on-a-Chip (SoC) - 34- This module is a single component that embeds in a package all necessary components of an electronic sub-system such as processors, power module ICs, RAM, passive components, and crystal oscillators.System-in-Package (SiP)
- 35It stacks single-component packages vertically, connected via ball grid arrays.Package-on-a-Package (PoP)
- 36It brings together all the necessary components of a computer into a single chip or integrated circuit. It can be based on either a microcontroller or a microprocessor. Example: Rasp Pi.System-on-a-Chip (SoC)
- 37uses instructions that explicitly identify operations to be performed in parallel.Explicit Parallelism Instruction Set Computer (EPIC)
- 38These processors integrated on the same chip are called multicores. The integration of multiple cores on the same die enables much faster communication.Multicore Processors
- 39Advantages of this multi-core architectures include the design effort is limited and the software can be migrated from one processor to another one.Homogeneous multicore architecture
- 40This is best suited for certain applications or run-time scenarios. This architecture must be used to achieve the best energy efficiency that is feasibleHeterogeneous multicore architecture -
- 41Current GPUs try to run a large number of computations concurrently in order to achieve the desired performance. The goal is to keep many processing units busy.Graphics Processing Units (GPU)
- 42These are heterogeneous multi-core systemsthat have been merged with GPUs.Multiprocessor Systems-on-a-Chip (MPSoCs)
- 43is to move and read instructions generated by the CPU.memory blocks
- 44This is a method of execution wherein an instruction is executed if and only if a certain condition concerning values in the condition code registers is met.Predicated Execution
- 45- Each instruction pattern is stored only once. For each value of the program counter, a lookup table provides a pointer to the corresponding instruction in the instruction tableDictionaries
- 46provides the means to send data or other signals back to the outside world.output block
- 47is a device that alters a physical quantity.An actuator
- 48provide a way for the system to provide a visual indication via light.Light-Emitting Diodes
- 49applies a torque to a load proportional to the current through the motor windings.Motor Control
- 50uses a driver circuit and starters to increase torque.DC Motor
- 51is an electronic circuit that can drive the motor in both directions in which it uses four transistors that the schematic diagram appears like an “H”.H-bridge
- 52is a brushless, synchronous electric motor that converts digital pulses into mechanical shaft rotations. Each rotation of a stepper motor is divided into a set number of steps.Stepper Motor
- 53consists of several main parts, the motor and gearbox, a position sensor, an error amplifier and motor driver, and a circuit to decode the requested position.Servo Motor
- 54can efficiently deliver large amounts of power under digital control.pulse width modulation (PWM)
- 55—
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- FlashCards sobre embedded midterm, criado por Alexander Joshua Secreto em 23-09-2025.
- Criado por
- Alexander Joshua Secreto
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