Abstract: An electronic device including a main memory, a plurality of caches that are hierarchically connected, the plurality of caches configured to store part of data stored in the main memory, and processing circuitry configured to transmit a memory request for desired data to the plurality of caches and the main memory, the memory request including cache allocation range information associated with the desired data, and each of the plurality of caches are configured to, determine whether to perform an operation corresponding to the memory request based on the cache allocation range information.

Abstract: A server and a control method are provided. The server includes a communication interface for performing communication with a plurality of electronic devices and a plurality of sensing devices, and at least one processor configured to identify a sensing device corresponding to a user's location from among the plurality of sensing devices based on information received from at least one of the plurality of electronic devices and the plurality of sensing devices through the communication interface, and control the communication interface to transmit a signal for controlling a target electronic device among the plurality of electronic devices to the target electronic device based on sensing data received from the identified sensing device.

Abstract: A multi-core processor according to some example embodiments may be a multi-core processor including a plurality of cores, and may include a first core that receives a task migration instruction, and transmits metadata including branch prediction data obtained during execution of a migration subject task determined as a subject of the task migration instruction among a plurality of tasks, to an external memory, and a second core that receives a task execution instruction, and reads the metadata from the external memory on the basis of the task execution instruction, and executes the migration subject task using the metadata.

Abstract: An electronic device including: a memory; and a processor connected to the memory and configured to execute at least one instruction, wherein the processor executes the at least one instruction to transmit indicator information to the memory, wherein the indicator information identifies one or more memory areas, among a plurality of memory areas included in the memory, where useless data is stored, and the memory skips a writeback for the one or more memory areas, in response to the indicator information.

Abstract: An ultrasonic diagnostic device providing a user preset and a method of operating same. In one embodiment, an ultrasonic diagnostic device can display change history information and use history information of at least one user preset.

Abstract: An electronic device including a main memory, a plurality of caches that are hierarchically connected, the plurality of caches configured to store part of data stored in the main memory, and processing circuitry configured to transmit a memory request for desired data to the plurality of caches and the main memory, the memory request including cache allocation range information associated with the desired data, and each of the plurality of caches are configured to, determine whether to perform an operation corresponding to the memory request based on the cache allocation range information.

Abstract: An integrated circuit includes a plurality of combinational logic circuits, a scan chain circuit including a plurality of sequential logic circuits configured to store output values of the plurality of combinational logic circuits in synchronization with a first clock signal and sequentially provide first output values stored at a first time point in synchronization with a second clock signal, and control circuitry configured to receive the first output values as input values and sequentially provide the input values to the scan chain circuit. The plurality of sequential logic circuits are configured to store first input values at a second time point passed occurring when a first cycle of the second clock signal passes. The first input values are the same as the first output values.

Abstract: A cache includes a data memory, a tag memory, and a cache controller. The data memory includes a stack area storing, in a stack structure, data used by an external processor in a plurality of cache lines. The tag memory stores a tag entry including useless information indicating whether data stored in a corresponding cache line has been popped. The cache controller is configured to, when a pop request for data stored in the stack area is received, change the useless information of a cache line storing the data subject to the pop request, to a useless state.

Abstract: A catalyst for oxidative dehydrogenation of butene and a method for producing the same are described. The method includes forming a first coprecipitate, forming a second coprecipitate, and mixing the first and second coprecipitates under conditions that product a catalyst having a favorable surface chemistry profile.

Abstract: The present invention relates to a process of recovering 3-hydroxypropionic acid, comprising: forming a 3-hydroxypropionate crystal in a concentrate containing 3-hydroxypropionic acid in the presence of an alkali metal salt, preparing a solution containing 3-hydroxypropionate crystal separated from the concentrate, stirring an acid and the solution containing 3-hydroxypropionate crystal to form a precipitate, and subjecting the precipitate to a first washing, and a slurry composition comprising a precipitate prepared in the process of recovering 3-hydroxypropionic acid and 3-hydroxypropionic acid.

Abstract: An air conditioning device includes an air purifier, a sensor, a communicator, and a processor. The sensor is configured to measure an air pollution level. The communicator comprises circuitry and configured to communicate with a server. The processor is configured to activate the sensor in a state where the air purifier is not driven, in response to receiving a first signal requesting an air pollution level state information from the server based on a location of a mobile terminal, transmit a second signal indicating that the air conditioning device needs to be driven to the server based on the air pollution level measured by the sensor, and drive the air purifier in response to a driving instruction received from the server.

Abstract: The present invention relates to a catalyst for oxidative dehydrogenation of butene and a method for producing the same. The catalyst for oxidative dehydrogenation of butene has a large amount of Mo—Bi phase acting as a reaction active phase on the surface, and therefore, can exhibit high catalytic activity, high conversion rate and high butadiene selectivity in the oxidative dehydrogenation of butene.

Abstract: The present invention relates to a catalyst for oxidative dehydrogenation of butene and a method for producing the same. The catalyst for oxidative dehydrogenation of butene has a large amount of Mo—Bi phase acting as a reaction active phase on the surface, and therefore, can exhibit high catalytic activity, high conversion rate and high butadiene selectivity in the oxidative dehydrogenation of butene.

Abstract: A server and a control method are provided. The server includes a communication interface for performing communication with a plurality of electronic devices and a plurality of sensing devices, and at least one processor configured to identify a sensing device corresponding to a user's location from among the plurality of sensing devices based on information received from at least one of the plurality of electronic devices and the plurality of sensing devices through the communication interface, and control the communication interface to transmit a signal for controlling a target electronic device among the plurality of electronic devices to the target electronic device based on sensing data received from the identified sensing device.

Abstract: An electronic apparatus and a controlling method thereof are provided. A server apparatus communicatively connected with a plurality of electronic apparatuses constituting an internet of things (IoT) includes a communication interface, and a processor configured to, based on receiving a request of a service from an application executed in a user terminal apparatus being received through the communication interface, determine data corresponding to the request and an electronic apparatus for receiving the data among the plurality of electronic apparatuses, determine a time cycle for receiving the data from the electronic apparatus based on the service, control the communication interface to transmit a request for transmitting the data according to the time cycle to the electronic apparatus, and based on receiving the data from the electronic apparatus at an interval of the time cycle through the communication interface, provide the service based on the received data.

Abstract: An ultrasonic diagnostic device providing a user preset and a method of operating same. In one embodiment, an ultrasonic diagnostic device can display change history information and use history information of at least one user preset.

Abstract: An electronic apparatus and a controlling method thereof are provided. A server apparatus communicatively connected with a plurality of electronic apparatuses constituting an internet of things (IoT) includes a communication interface, and a processor configured to, based on receiving a request of a service from an application executed in a user terminal apparatus being received through the communication interface, determine data corresponding to the request and an electronic apparatus for receiving the data among the plurality of electronic apparatuses, determine a time cycle for receiving the data from the electronic apparatus based on the service, control the communication interface to transmit a request for transmitting the data according to the time cycle to the electronic apparatus, and based on receiving the data from the electronic apparatus at an interval of the time cycle through the communication interface, in response to the request for transmission, provide the service based on the received data.

Abstract: The present invention relates to a catalyst for oxidative dehydrogenation of butene and a method for producing the same. The catalyst for oxidative dehydrogenation of butene has a large amount of Mo—Bi phase acting as a reaction active phase on the surface, and therefore, can exhibit high catalytic activity, high conversion rate and high butadiene selectivity in the oxidative dehydrogenation of butene.

Abstract: A method, apparatus and computer program product to be employed by a hardware component under validation, wherein the hardware component having a plurality of processing units each belonging to one of at least two types, such that one of the at least two types of processing units is less error-prone then a remainder of the at least two types. The method comprising: designating one of the processing units of the hardware component under validation that belongs to the less error-prone type as a manager processing unit; initiating execution of a tester program code for testing processing units, by processing units of the hardware component other than the manager processing unit; and, monitoring by the manager processing unit the status of the processing units during execution of the tester program code.

Abstract: An air conditioning device includes an air purifier, a sensor, a communicator, and a processor. The sensor is configured to measure an air pollution level. The communicator comprises circuitry and configured to communicate with a server. The processor is configured to activate the sensor in a state where the air purifier is not driven, in response to receiving a first signal requesting an air pollution level state information from the server based on a location of a mobile terminal, transmit a second signal indicating that the air conditioning device needs to be driven to the server based on the air pollution level measured by the sensor, and drive the air purifier in response to a driving instruction received from the server.