Abstract: This display control system is used in a work machine comprising a work unit and a drive device. The work unit performs work by driving an attachment attached to a machine body of the work machine. The drive device drives the attachment by supplying motive power thereto. The display control system comprises a display processing unit which displays, on a display device, a first display screen containing drive information relating to the drive device.

Abstract: An operation device of a construction machine includes a rotation operation unit that receives rotation operation. A control unit that controls the operation device applies, to an object to be operated, a first operation content that depends on the rotation operation amount of the rotation operation unit according to a first operation in which the rotation operation amount is less than a predetermined operation amount threshold per predetermined unit time, and applies a second operation content different from the first operation content to the object to be operated according to a second operation in which the rotation operation amount is greater than or equal to the operation amount threshold per unit time.

Abstract: The memory control device according to the present invention reads data including an error correcting code from a memory and includes: an error correcting unit which detects an error in the data and corrects the detected error in the data, based on the error correcting code, and sends the error detected and error corrected data to the outside; and a selector which selects whether to send the data read from the memory to the error correcting unit or to the outside.