Abstract: Realizing a presentation system which can present picture data and voice data in a simplified manner after shooting and picking up pictures by a digital still camera, etc. and recording voices by a voice recorder, etc. Firstly, when the presentation system executes the program, a folder will be selected to specify a recording area in the personal computer 10 (step 1). After obtaining temporal information of all picture data and voice data in the folder, the presentation system performs relating operation for pages of slides so that the picture data and the voice data correspond to the slides at the time of data presentation (step 2). Next, the presentation system makes the user select whether information processing for data will be performed or not (step 3).

Abstract: An optical measuring light path formed by a vacuum-side laser beam (Pa) as a reference standard and an optical measuring light path formed by a gas-side laser beam (Pb) as a dimension to be measured are coaxially located sandwiching a movable end (optical transparent body 12) of a vacuum container (11) in order to satisfy Abbe's principle requiring linear disposition of the reference standard and the dimension to be measured in measurement direction, thereby reducing measurement error in measuring air refractive index and improving measurement accuracy therefor.

Abstract: A multiprocessor system is provided with main processors and secondary processors, and the processors are duplexed to form an active system and a standby system. A right to switch the system is given only to the main processors, and the secondary processors are operative to switch the system in accordance with the related system switching command, wherein data and control information are independently communicated between the main processors and the corresponding secondary processors belonging to the same active or standby system.

Abstract: A group of control registers for controlling a plurality of input output devices respectively are formed in random access memory which is connected to a microprocessor bus of an input output control device. A history of a program mode access from a central processing apparatus to the RAM is recorded in a first-in first-out memory (FIFO). The microprocessor of the input output control device reads an access information of the FIFO, accesses the group of the control registers on the RAM, and controls the input output device according to the read control information. Thus, control of a plurality of input output devices is carried out by one input output device.