Abstract: An analysis device according to an aspect of the present disclosure: acquires a plurality of pieces of premise information and measurement data which relate to states of a plurality of mechanisms which configure a production line; identifies causal relationships among the plurality of mechanisms by statistically analyzing the plurality of pieces of measurement data under constraint conditions imposed by the premise information; outputs causal relationship information indicating the identified causal relationships; accepts a revision to the causal relationships indicated by the outputted causal relationship information; revises the premise information so as to impose the constraint conditions which comport with the revised causal relationships; and saves the revised premise information.

Abstract: Example implementations described herein involve systems and methods for managing a plurality of programmable logic controllers (PLC), which can involve, for a detection of an update to one or more of a software or a firmware installed on a PLC of the plurality of PLCs being available, determining an impact level of the update to the one or more of the software or the firmware installed on the PLC of the plurality of PLCs; selecting a non-operational time slot for the PLC of the plurality of PLCs based on the impact level, wherein higher impact levels are indicative of requiring a longer non-operational time slot; and scheduling the update to the one or more of the software or the firmware installed on the PLC of the plurality of PLCs during the non-operational time slot.

Abstract: Systems and methods of generating performance index for connected equipment in a building management system are provided. The connected equipment measures monitored variables and generates status codes. The system obtains data points of the monitored variables and the status codes from past N time units, and connected equipment specific parameters. The system performs first performance checks for the connected equipment using the status codes from the past N time units. The system performs second performance checks using the data points of the monitored variables from the past N time units, the connected equipment specific parameters, and a set of predetermined rules. The system determines individual performance check indicators based on the first performance checks and the second performance checks using first weights each determined based on a different timing. The system generates an overall performance index for the connected equipment using the individual performance check indicators and second weights.

Abstract: The present teaching relates to method, system, medium, and implementations for sensor calibration. A request is received from an ego vehicle in motion on a route for assistance in collaborative calibration of a sensor deployed on the ego vehicle. The request specifies a position of the ego vehicle and a configuration of the sensor with respect to the ego vehicle. A collaborative means along the route is identified based on the ego vehicle's position, the configuration of the sensor, the route, and the position associated with the collaborative means. A calibration assistance package is generated in response to the request and sent to the ego vehicle. The calibration assistance package includes information about the collaborative means that can be used to identify the collaborative means while in motion along the route for calibrating the sensor while the ego vehicle is in the vicinity of the collaborative means.

Abstract: An autonomous vehicle system includes a body and a plurality of sensors coupled to the body and configured to generate a plurality of sensor measurements corresponding to the plurality of sensors. The system also includes a control unit configured to: receive inputs from a plurality of sources wherein the plurality sources comprise the plurality of sensors, the inputs comprise the plurality of sensor measurements; determine a confidence level of each input based on other inputs; prioritize, based on the confidence level associated with each input, the inputs; generate, based on the prioritization of the inputs and the confidence level, a combined input with a combined confidence level; and determine, based on the combined input and the combined confidence level, a mission task to be performed.

Abstract: An autonomously traveling cart system includes a mover, a memory, a position detector, and a processor. The mover moves a cart main body. The memory stores map data indicating an autonomously traveling cart storage space installed in an area where the cart main body is movable. The position detector detects a position of the cart main body. The processor designs a moving route from the position of the cart main body which the position detector detects toward the autonomously traveling cart storage space indicated by the map data, and allows the cart main body to move toward the autonomously traveling cart storage space by the mover.

Abstract: A self-propelled device can include at least a wireless interface, a housing, a propulsion mechanism, and a camera. Using the camera, the self-propelled device can generate a video feed and transmit the video feed to a controller device via the wireless interface. The self-propelled device can receive an input from the controller device indicating an object or location in the video feed. In response to the input, the self-propelled device can initiate an autonomous mode to autonomously operate the propulsion mechanism to propel the self-propelled device towards the object or location indicated in the video feed.

Abstract: Sensor data collected from an autonomous vehicle data can be labeled using sensor data collected from an additional vehicle. The additional vehicle can include a non-autonomous vehicle mounted with a removable hardware pod. In many implementations, removable hardware pods can be vehicle agnostic. In many implementations, generated labels can be utilized to train a machine learning model which can generate one or more control signals for the autonomous vehicle.

Abstract: Methods and apparatus for performing repair operations using an unmanned aerial vehicle (UAV). The methods are enabled by equipping the UAV with tools for rapidly repairing a large structure or object (e.g., an aircraft or a wind turbine blade) that is not easily accessible to maintenance personnel. A plurality of tools are available for robotic selection and placement at the repair site. The tools are designed to perform respective repair operations in sequence in accordance with a specified repair plan, which plan may take into account the results of a previously performed UAV-enabled inspection.

Abstract: A robotic vehicle for moving above ground while fabricating a subsurface polymer layer to protect an underground structure is provided. The robotic vehicle includes: a body; a rotational member that contacts the ground and moves the body over the ground; a ripper assembly having a proximal end that moves with the body, and a distal end that moves underground at a fabrication depth in response to the movement of the proximal end while fabricating the polymer layer; a ground penetrating radar (GPR) that locates and measures a depth of the underground structure below the ground; and a computerized control system that controls the rotational member, the distal end of the ripper assembly, and the GPR to move the body over the located underground structure while tracking the location of the underground structure and fabricating the polymer layer at the fabrication depth and above the measured depth of the underground structure.

Abstract: Systems and methods for utilizing interactive Gaussian processes for crowd navigation are provided. In one embodiment, a system for a crowd navigation of a host is provided. The system includes a processor, a statistical module, and a model module. The processor receives sensor data. The statistical module identifies a number of agents in a physical environment based on the sensor data. The statistical module further calculates a set of Gaussian processes. The set of Gaussian processes includes a Gaussian Process for each agent of the number of agents. The statistical module further determines an objective function based on an intent and a flexibility. The model module generates a model of the number of agents by applying the objective function to the set of Gaussian processes. The model includes a convex configuration of the number of agents in the physical environment.

Abstract: The present disclosure provides a moving robot including a body which forms an appearance, a traveler which moves the body, a boundary signal detector which detects a boundary signal generated in a boundary area of a traveling area, and a controller which controls a traveler so that the traveler performs pattern traveling a plurality of times in the traveling area, and controls the traveler so that a traveling angle during first pattern traveling and a traveling angle during second pattern traveling are different from each other. Accordingly, when the pattern traveling is performed a plurality of times, the pattern traveling is performed at angles different from each other based on a reference axis, and it is possible to minimize an area which cannot be mowed and improve efficiency.

Abstract: Provided is a mobile robot that moves autonomously over a floor covered by a carpet, the mobile robot including an acceleration sensor that measures a translational acceleration of the mobile robot, an estimation unit that estimates an inclination of a pile of the carpet on a basis of the translational acceleration measured by the acceleration sensor while the mobile robot is accelerating or decelerating, and a movement control unit that controls a movement velocity and a movement direction of the mobile robot on a basis of the inclination of the pile estimated by the estimation unit.

Abstract: A vehicle control system includes a controller that detects a communication loss between a first vehicle and a second vehicle and/or a monitoring device in a vehicle system. The controller operationally restricts movement of the vehicle system based on the communication loss. The controller obtains or generates a transitional plan that designates operational settings for the first vehicle and/or the second vehicle based at least in part on a location of the first vehicle and/or the second vehicle. The controller selectively changes movement of the first vehicle and/or the second vehicle via the transitional plan to reduce a speed of the first vehicle and/or the second vehicle responsive to the communication loss being detected.

Abstract: A method includes determining that an autonomous vehicle is in a zone associated with one or more zone rules; causing, in response to determining that the autonomous vehicle is in the zone, the autonomous vehicle to operate in a controlled mode of operation associated with the zone rules; determining that the autonomous vehicle has exited the zone; and releasing, in response to determining that the autonomous vehicle has exited the zone, the autonomous vehicle from the controlled mode of operation.

Abstract: A server is communicably connected to a plurality of vehicles that includes vehicles usable as guest rooms, and includes a server controller. The server controller is configured to control a formation of the plurality of vehicles depending on a positional relationship between windows or doors provided in the plurality of vehicles, or depending on scenery from the windows provided in the plurality of vehicles.

Abstract: An aircraft includes an airframe with a thrust array attached thereto. The thrust array includes a plurality of propulsion assemblies that are independently controlled by a flight control system. A landing gear assembly is coupled to the airframe and includes a plurality of landing feet. An altitude sensor array includes a plurality of altitude sensors each of which is disposed within one of the landing feet such that when the aircraft is in the VTOL orientation, the altitude sensor array is configured to obtain multifocal altitude data relative to a landing surface. The flight control system is configured to generate a three-dimensional terrain map of the surface based upon the multifocal altitude data.

Abstract: A flow rate regulator s provided that decouples regions (7) of a regulating body (2) of a flow rate regulator (1) such that one of the decoupled regions (7) forms a low-pressure region (9) while another of the decoupled regions (7) defines a high-pressure region (8).

Abstract: A control system controls a fluid distribution system that includes consumer branches arranged in parallel. Each consumer branch includes a consumer element (31) consuming fluid and/or thermal energy, a regulating device (9) receiving a control value regulating a flow of fluid and/or thermal energy through the consumer branch, and a sensor (11) providing a measured value of the consumer branch. The control system includes a saturation calculation module (21) providing a saturation value, for each operational consumer branch, indicative of the saturation degree of the associated consumer branch, and a saturation compensation module (23) receiving the saturation values and altering a reference value. The altered reference value is based on an initial reference value and the saturation values from all consumer branches. The consumer branch regulating device, of each operational consumer branch, is controllable based on the altered reference value and the measured value of the associated consumer branch.

Abstract: In one embodiment, a remote monitoring system for a fluid applicator system is disclosed. The fluid applicator system is disposed to heat and pump spray fluid, and to transmit reports including sensed temperatures, pressures, and other operational parameters of the fluid applicator system via a wireless network. The remote monitoring system comprises a data storage server, and an end user interface. The data storage server is configured to receive and archive the reports. The end user interface is configured to provide a graphical user interface based on the reports. The graphical user interface illustrates a status of the fluid handling system, sensed and commanded temperatures of the fluid handling system, sensed and commanded pressures of the fluid handling system, and usage statistics of the fluid handling system.

Abstract: Various embodiments relate to a protection circuit, comprising: a pad configured to input an external voltage from a connector; a first circuit branch connected to the pad and configured to receive a fast ramp-up over voltage at the pad; a second circuit branch connected to the pad and configured to receive a ramp-up over voltage at the pad; a third circuit branch connected to the pad and configured to output an over voltage detection signal when an over voltage is received at the pad, wherein the third circuit branch includes a voltage divider with a variable resistor with a variable voltage node and an enable switch; and a logic circuit including an enabling transistor configured to control the variable resistor and the enable switch.

Abstract: Described embodiments include a voltage regulator circuit comprising an output voltage terminal configured to be coupled to a load that draws a load current, first and second amplifiers, and first, second, third, fourth and fifth transistors. The embodiment also includes a dynamic R-C network coupled between the third amplifier input and the seventh transistor current terminal, wherein the dynamic R-C network includes capacitors and MOS-based resistors, a third amplifier having a fourth amplifier input and a third amplifier output, wherein the fourth amplifier input is coupled to the output voltage terminal, and a capacitor that is coupled between the output voltage terminal and the fourth amplifier input.

Abstract: A system includes: an edge computing device disposed in an indoor facility having at least one light source; an energy storage subsystem configured to generate electrical power from light emitted by the at least one light source, and to supply the electrical power to the edge computing device, the energy storage subsystem including: a collector; an auxiliary energy storage device configured to receive energy collected by the collector, the auxiliary energy storage device having a first storage capacity; a main energy storage device having a second storage capacity greater than the first storage capacity; a controller configured to supply energy from the main energy storage device to the edge computing device; and a selector configured to selectively discharge energy from the auxiliary energy storage device to the main energy storage device.

Abstract: A split calibration knob can include a lower knob with a lower-knob attachment interface and an upper knob with an upper-knob attachment interface configured to be engaged with the lower-knob attachment interface. One of the lower-knob attachment interface and the upper-knob attachment interface can include a tube with a first press-fit feature and a first positioning feature positioned on the tube. The other of the lower-knob attachment interface and the upper-knob attachment interface can include a hub having an outward facing surface, a second press-fit feature configured to be engaged with the first press-fit feature to secure the upper knob to the lower knob, and a second positioning feature configured to be engaged with the first positioning feature to fix an orientation of the upper knob relative to the lower knob, thereby linking rotation of the lower knob to the rotation of the upper knob.

Abstract: A foldable pedal apparatus for a vehicle includes a misoperation prevention pad, an accelerator pedal pad and a brake pedal pad. In a manual driving mode in which a driver directly drives, the accelerator pedal pad and the brake pedal pad protrude and are exposed toward the driver and then enter into a popped-up state so that operation of the pedal pads by the driver may be performed. In an autonomous driving situation, the accelerator pedal pad and the brake pedal pad are hidden and then enter into a hidden state in which exposure toward the driver is blocked so that the operation of the accelerator pedal pad and the brake pedal pad by the driver is unable to be performed. Furthermore, the misoperation prevention pad is provided between the accelerator pedal pad and the brake pedal pad.

Abstract: A foldable pedal apparatus for vehicles is provided in which pedal pads are rotated rearwards from a footrest panel and thus enter a pop-up state to be manipulable by a driver in a manual driving mode in which the driver directly drives a vehicle. The pedal pads are rotated forwards maximally close to the front surface of the footrest panel and thus enter a hidden state without exposure to be nonmanipulable by the driver in an autonomous driving situation.

Abstract: A foldable pedal apparatus for a vehicle includes pedal assemblies including pedal arms and pedal pads that are rotated rearwards and are thus popped up to a driver so as to be operated by the driver in a manual driving mode in which the driver directly drives a vehicle. Also, the pedal assemblies including the pedal arms and the pedal pads may be rotated forwards and upwards, so as to be located close to a front surface of a footrest panel and thus enter a hidden state in which exposure of the pedal assemblies to the driver is interrupted so as not to be operated by the driver in an autonomous driving situation.

Abstract: The present disclosure discloses a foldable pedal apparatus for a vehicle in which a pedal pad 210 protrudes to be exposed to the interior of a vehicle and pop up toward a driver in a manual driving mode in which the driver is actively involved in driving, in which the pedal pad 210 is inserted into a footrest panel 10 such that exposure toward the driver is blocked in a hide state in an autonomous driving mode, and which may generate a signal relating to a pedal function by operating the pedal pad 210 by pressure through the pressure-operated pedal assembly 200 in a pop-up state.

Abstract: An apparatus for adjusting skew of circuit signal and an adjusting method thereof are provided. The adjusting method includes: providing a controller for executing: based on each of a plurality of clock signals, dividing a circuit to generate a plurality of circuit partitions according to a netlist of the circuit; grouping the circuit partitions to respectively generate a plurality of circuit groups; identifying adjacent states of layout areas of the circuit groups; and, adjusting a skew value of each of the circuit groups according to the adjacent states.

Abstract: Aspects of the embodiments are directed to systems, methods, and computer program products that facilitate a downstream port to operate in Separate Reference Clocks with Independent Spread Spectrum Clocking (SSC) (SRIS) mode. The system can determine that the downstream port supports one or more SRIS selection mechanisms; determine a system clock configuration from the downstream port to a corresponding upstream port connected to the downstream port by the PCIe-compliant link; set an SRIS mode in the downstream port; and transmit data across the link from the downstream port using the determined system clock configuration.

Abstract: A system for managing a time reference includes a real-time clock, an interface, and a processor. The real-time clock store an RTC time. The interface is configured to receive a GPS time and a cellular time. The processor is configured to: indicate to start a time-speed adjustment loop; determine a true time based at least in part on the GPS time and the cellular time; determine an error between the true time and the RTC time; determine an RTC speed calibration adjustment based at least in part on the error; and adjust the real-time clock speed based at least in part on the RTC speed calibration adjustment.

Abstract: A display apparatus is provided. The display apparatus includes a display; a main body on which the display is mounted; a cover; a mounting member configured to separably mount the main body to the mounting member; and a guide member disposed at a back surface of the main body, the guide member including a plate member and side-surface members extending from opposite side surfaces of the plate member, wherein each of the side-surface members has an inclined shape.

Abstract: A display apparatus includes a base, a stand, a head having a display and pivotable between a landscape mode and a portrait mode, a penetration groove, an inner bracket disposed inside the head and having a slit formed therein to face the penetration groove, a shaft including a first extension connected to the stand and extending to an inside of the head through the penetration groove and a second extension extending from an end of the first extension to pass through the slit, a long hole formed in the second extension and extending in a longitudinal direction of the second extension, a guide pin fixed to an inside of the head to pass through the long hole, a slider sliding along the second extension, and a spring disposed on an outer circumference of the second extension and configured to pressurize the slider to maintain contact between the slider and the inner bracket.

Abstract: A window including a base substrate, which includes a transmission region and a bezel region in a plan view and includes a front surface and a rear surface that are opposite to each other in a thickness direction, a light-blocking layer, which is disposed on the rear surface of the base substrate and is overlapped with the bezel region, and a printing layer, which is disposed on the light-blocking layer and has a target surface, in which a barcode pattern is formed. The printing layer may have a chromatic color, and a width of the printing layer may be less than a width of the light-blocking layer.

Abstract: An electronic device may have input-output devices such as sensors, displays, wireless circuitry, and other electronic components mounted within a housing. The housing may have opposing front and rear walls. A display may be formed on a front side of the device and may be overlapped by a front housing wall such as a glass layer. Sensors and other components may be formed on a rear side of the device and may be overlapped by a rear housing wall. The rear housing wall may have a glass portion or other transparent structure through which projectors project images onto nearby surfaces and through which image sensors and other optical sensors receive light. The housing may be supported by a stand. An electrical component in the stand may interact with an electronic device on the stand. Wireless circuitry in an external item may wirelessly couple to wireless circuitry within the housing.

Abstract: A foldable display device includes a display module in which a panel hole is defined, a sensor device disposed in the panel hole, and a panel lower cover which is disposed on a surface of the display module and in which a cover hole is defined such that the sensor device is disposed in the cover hole, the panel lower cover including a buffer member and a first adhesive member, which attaches the buffer member to the surface of the display module where a minimum distance between the first adhesive member and the sensor device is greater than a minimum distance between the buffer member and the sensor device.

Abstract: According to an embodiment of the disclosure, an electronic device, comprising, a housing, a flexible display slidably coupled to the housing, and at least one processor configured to control the flexible display to display an execution screen of a first application on a first region of the flexible display which is exposed to an outside based on a first mode, detect a pull-out of the flexible display from the housing, and in response to detecting the pull-out of the flexible display, control the flexible display to display the execution screen of the first application on at least a portion of the first region, and control the flexible display to display an execution screen of a second application different from the first application on at least another portion of the first region and a second region of the flexible display which is exposed to the outside by the pull-out.

Abstract: A display module is disclosed. The display module includes a planar display area and a curved display area bending and extending from an edge of the planar display area. The display module includes a curved cover plate, a flexible display panel attached to the curved cover plate, and a backplate. The backplate includes a thinning part, and a thickness of the thinning part is gradually reduced from an edge area of the planar display area to the curved display area. The present disclosure can reduce forces undergone by the flexible display panel in the curved display area and prevent curved sides of the flexible display panel from having a cracking risk.

Abstract: A computing device comprises a base that comprises a base surface configured to support the computing device on a supporting surface, and a front wall adjoining and extending away from the base surface. The computing device also includes a chassis adjoining the base, the chassis comprising a planar user interactive surface comprising one or more user input components. The chassis also comprises an overhanging brim that extends beyond at least the front wall of the base and comprises at least one magnet configured to removably retain a stylus underneath the overhanging brim.

Abstract: The disclosure discloses an electronic device including a flexible display having an expandable display area.

Abstract: A rotating shaft connection mechanism includes two rotating shafts, two connection assemblies corresponding to the two rotating shafts, and one synchronous driving block, where each connection assembly includes a slide rail block and a drive sheet, a boss of the slide rail block is inserted into a slanting groove on the drive sheet, the synchronous driving block is connected to the two rotating shafts, and the synchronous driving block is disposed on two sides of a connecting piece on the drive sheet by using provided connecting pieces, and is inserted into a spiral groove by using a provided positioning protrusion part. In this way, through fitting connection between the two rotating shafts, the one synchronous driving block and the slide rail blocks and drive sheets of the two connection assemblies corresponding to the two rotating shafts, rotation of the rotating shaft is converted into sliding of the slide rail block.

Abstract: A mother board with a central processing unit and two riser slots configured to cooperate with one riser card for connecting two expansion cards to the mother board. The first riser slot and the second riser slot may be connected by metal traces to the central processing unit, and the two riser slots may be spaced apart by a distance greater than 8 cm.

Abstract: A ventilation device (1) is proposed, in particular designed to ventilate a circuit board (2), preferably in or for a computer, wherein the ventilation device (1) is designed to produce a first cooling air stream (5) from a first fan (12) and to produce a second cooling air stream (7) from a second fan (13), wherein the first cooling air stream (5) and the second cooling air stream (7) flow through on different sides of an air stream boundary plane (L), preferably parallel to the air stream boundary plane (L), through a common ventilation plane (BL) perpendicular to the air stream boundary plane (L), wherein the directions of flow from the first fan (12) and the second fan (13) are crosswise to the air stream boundary plane (L), wherein the ventilation device (1) preferably is designed to be mountable such that the air stream boundary plane (L) coincides with a central plane of the circuit board.

Abstract: Embodiments of this application disclose a housing structure and a terminal device. The housing structure includes a bottom shell and a lifting shell. A first end of the bottom shell is connected to a first end of the lifting shell, a second end of the bottom shell and a second end of the lifting shell are spaced by a first distance, and space between the bottom shell and the lifting shell forms a heat dissipation channel. A heat dissipation panel is disposed on the bottom shell, a first surface of the heat dissipation panel is in contact with a heat emitting component, and a second surface of the heat dissipation panel is located in the heat dissipation channel. Therefore, the housing structure provided in the embodiments of this application can better dissipate heat for the heat emitting component in the bottom shell.

Abstract: A display apparatus and a method for controlling the same are provided. The display apparatus includes a display unit, a light sensor, a cooling fan, and a controller. The light sensor is configured to detect an ambient light and generate a brightness value indicating brightness of the ambient light. The cooling fan is configured to generating a fluid flow in the display apparatus. The controller is configured to monitor the brightness value per a time period and control a rotational speed of the cooling fan based on the brightness value.

Abstract: Technology is described for a system that includes a power source, a first computing device, a second computing device and a host controller. The power source may provide a direct current (DC) voltage. The first computing device may perform a computing function in a computing environment. The second computing devices may be connected in series to the power source via the first computing device. The first computing device may be directly coupled to the power source and may receive the DC voltage from the power source, and the second computing device may receive a remaining amount of the DC voltage. The host controller may manage computing operations of the first computing device and the second computing device to control load impedance between first computing device and the second computing device.

Abstract: In one embodiment, a method includes applying Forward Error Correction (FEC) to data at power sourcing equipment, transmitting the data and pulse power over a wire pair to a powered device, identifying data transmitted during power transitions between a pulse power on time and a pulse power off time in the pulse power at the powered device, and applying FEC decoding to at least a portion of the data based on said identified power transitions.

Abstract: The present invention provides a power supply system and power supply method thereof for Power over Ethernet. The power supply system is configured to: calculate a static allocation remaining power and a dynamic allocation remaining power of power sourcing equipment; and determine whether a consuming power of powered device is greater than the static allocation remaining power and the dynamic allocation remaining power. When the consuming power is less than or equal to the static allocation remaining power and is less than or equal to the dynamic allocation remaining power, the powering system is configured to perform a static powering procedure. When the consuming power is greater than the static allocation remaining power and is less than or equal to the dynamic allocation remaining power, the powering system is configured to perform a dynamic powering procedure.

Abstract: Methods and systems for managing power for a Power over Ethernet (PoE) device are disclosed herein. The method may include obtaining, by a supervisor, power information from a plurality of power supply units (PSUs) to obtain total consumed power; obtaining, by the supervisor, a total system power capacity value associated with the plurality of PSUs; and calculating, by the supervisor, a total available PoE power value using the total consumed power and the total system power capacity value; and making a first determination, by the supervisor, using the total available PoE power value and a PoE power table, whether a powered device should stop receiving power.

Abstract: Techniques for allocating power budget to a central processing unit (CPU) of a computing device are described. According to an example of the present subject matter, an unloaded component is detected. The unloaded component remains undetected upon completion of a boot process of the computing device. Thereafter, a power budget allocated to the unloaded component is determined. The power budget may be based on the thermal design power (TDP) of the computing device. Based on the power budget, a power configuration of the CPU is changed from a default power level to a high-performance power level, wherein the default power level corresponds to the TDP of the computing device and the high-performance power level is a power level above the default power level and upto a maximum power level of the CPU.