Abstract: Provided are a task switching method capable of rapidly and easily accessing a task of interest by using a button that may receive a touch-based input and a device for executing the task switching method. The device includes a button configured to receive an input; a display configured to display task switching screens; and a processor configured to set a task switching mode in response to the button receiving a first input, and control the display to display the task switching screens in response to the button receiving a second input.

Abstract: Provided are a device and method for displaying an execution result of an application. A method of displaying an execution result of an application includes: in response to a user input, displaying execution results of a plurality of applications, which are being executed in the device, in a plurality of windows that are displayed in at least two display modes; arranging the plurality of windows, which show execution results of the plurality of windows, to be adjacent to each other and displaying the plurality of windows on a display; receiving a user input when the plurality of windows are displayed on the display; and scrolling the plurality of windows in response to the user input.

Abstract: Provided are a task switching method capable of rapidly and easily accessing a task of interest by using a button that may receive a touch-based input and a device for executing the task switching method. The device includes a button configured to receive an input; a display configured to display task switching screens; and a processor configured to set a task switching mode in response to the button receiving a first input, and control the display to display the task switching screens in response to the button receiving a second input.

Abstract: A storage device is provided. The storage device includes storage clusters, and a controller. The controller receives a command and an address from an external host device, selects a storage cluster according to the received address, and transmits the received command and the received address to the selected storage cluster. The controller controls the storage clusters as normal storage clusters and slow storage clusters according to a temperature of a zone to which the storage clusters belong.

Abstract: A data storage device includes a first multi-chip set which includes a first volatile memory, a first non-volatile memory, and a first core configured to control the first volatile memory and the first non-volatile memory, a second multi-chip set which includes a second volatile memory, a second non-volatile memory, and a second core configured to control the second volatile memory and the second non-volatile memory. A controller is connected to the first multi-chip set and the second multi-chip set and configured to swap a first logical address of a first storage region of the first non-volatile memory with a second logical address of a second storage region of the second non-volatile memory.

Abstract: A data storage device includes a first controller; a scale-out storage device; and an interface connected between the first controller and the scale-out storage device, wherein the first controller is configured to transmit, to the scale-out storage device through the interface, a first command including a command type and command information having a parameter with respect to the command type, wherein the scale-out storage device is configured to perform an operation corresponding to the first command, and wherein the scale-out storage device includes, a scale-out controller connected to the interface, a volatile memory connected to the scale-out controller, and a non-volatile memory connected to the scale-out controller.

Abstract: A data storage device includes a plurality of scale-out storage devices, and a controller configured to determine a characteristic of data and configured to transmit and receive the data to or from a first scale-out storage device among the plurality of scale-out storage devices based on the determined characteristic. Each of the plurality of scale-out storage devices includes a volatile memory, a nonvolatile memory, and a scale-out controller configured to control the volatile memory and the nonvolatile memory.

Abstract: A data storage device includes a controller connected via a plurality of channels to a plurality of clusters, wherein each cluster comprises a scale-out device including a scale-out controller and a buffer. The scale-out controller is connected to a plurality of sub-channels, each one of the plurality of sub-channels connecting a group of non-volatile memory (NVM) devices, such that the scale-out controller controls execution of data processing operations directed to any one of the NVM devices and the buffer.

Abstract: A nonvolatile memory system comprises a nonvolatile memory device including a plurality of memory blocks. The nonvolatile memory system includes a memory controller, which can control the nonvolatile memory device, and manage start and end reception times of data of each of the memory blocks. The memory controller can cause at least one of the memory blocks to be physically erased based on the managed start and end reception times. A data eliminating unit can physically erase one or more target blocks from among the memory blocks based on a block timetable in response to a data elimination command having a reference time received from a host. An operation method of a nonvolatile memory system can include selecting one or more target blocks for physical erasure in response to the data elimination command, and physically erasing the selected target blocks.

Abstract: A method of operating a memory controller which controls a non-volatile memory including a plurality of blocks is provided. The method includes determining an operation count for a first block among the plurality of blocks and avoiding successive wear-leveling on the first block based on the determined operation count thereof.

Abstract: A method of processing input/output (I/O) in a storage device includes adjusting a read anticipation time based on a change of a resource management status related to operations of the storage device and performing an I/O processing operation at the storage device based on the adjusted read anticipation time. The I/O processing operation is performed to postpone an operation regarding a program command and perform a read command at higher priority than a write command at the storage device in a period from completion of a read operation at the storage device until the read anticipation time has elapsed.

Abstract: A method of operating a storage device includes; counting a number of fast cycles for the memory block when a program interval between two successive program operations directed to memory cells of the memory block is less than a minimal program interval, and/or when an erase interval between two successive erase operations directed to the memory block is less than a minimal erase interval, and selecting the memory block to be erased by an erase operation or selecting memory cells of the memory block to be programmed by a program operation in response to the counted number of fast cycles for the memory block.

Abstract: An operation method a storage device including a nonvolatile memory and a memory controller configured to control the nonvolatile memory is provided. The operation method includes erasing memory cells of the nonvolatile memory using the memory controller and prohibiting an erase of the erased memory cells for a critical time using the memory controller.

Abstract: Provided is a method for managing an address map for fast open in a memory system. Mapping blocks including metadata storing mapping information for constructing an address mapping table are differentially handled. The differentially handling mapping blocks includes differentiating the mapping blocks into a first group of mapping blocks and a second group of mapping blocks according to a journal management manner. The first group of mapping blocks are opened ahead of the second group of mapping blocks during power-on of the memory system after a power-off of the memory system.

Abstract: A method of operating a storage device includes; counting a number of fast cycles for the memory block when a program interval between two successive program operations directed to memory cells of the memory block is less than a minimal program interval, and/or when an erase interval between two successive erase operations directed to the memory block is less than a minimal erase interval, and selecting the memory block to be erased by an erase operation or selecting memory cells of the memory block to be programmed by a program operation in response to the counted number of fast cycles for the memory block.

Abstract: A method, performed by a device, of providing security content includes receiving a touch and drag input indicating that a user drags a visual representation of a first application displayed on a touch screen of the device to a fingerprint recognition area while the user touches the visual representation of the first application with a finger; performing authentication on a fingerprint of the finger detected on the touch screen using a fingerprint sensor included in the fingerprint recognition area; and when the performing authentication on the fingerprint is successful, displaying the security content associated with the first application on an execution window of the first application.

Abstract: A method and apparatus for effectively managing image files are provided. The apparatus acquires a second image if a link information input signal is input. If a person is recognized from the second image, text information corresponding to the recognized person may be added to link information of a first image. Also, an image of the second image may be added to the link information of the first image.

Abstract: A storage device includes a nonvolatile memory and a memory controller. The memory controller is configured to receive a first program request from an external host device and program first memory cells of a memory block according to the first program request. The memory controller is further configured to program second memory cells of the memory block without a request of the external host device if a second program request is not received from the external host device for a critical time.

Abstract: Provided are an apparatus and method of providing path information based on a status of a path and/or a purpose of the use of the path. A path information providing server collects environmental information from a sensing device. The path information providing server receives a path information request including a departure and a destination from a terminal device, and provides path information generated by mapping environmental data to a searched path.

Abstract: Provided are an apparatus and method of providing path information based on a status of a path and/or a purpose of the use of the path. A path information providing server collects environmental information from a sensing device. The path information providing server receives a path information request including a departure and a destination from a terminal device, and provides path information generated by mapping environmental data to a searched path.