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Zero sum game
Game theory and economic behavior
Phraseologism: Zero sum game.
Meaning: A match in which the loss of one player is equal to the gain of the other.
Origin: Term from the book "Game Theory and Economic Behavior" (1944), written by two authors - John von Neumann (1903-1957) and Oskar Morgenstern (1902-1977). So the authors of the book called any "game" (including economic and military rivalry), in which the gain of one "player" is equal to the loss of the other. During the years of rivalry between the USSR and the USA, political scientists usually described the nature and logic of their relationship in this way.
Random phraseology:
A trace of Tarasov was found.
Meaning:
Serves as a playful commentary on meeting a person with whom contact was previously lost.
Origin:
From the story "Taras Bulba" (1835) by I. V. Gogol (1809-1852). After the story about the execution of Ostap (ch. 11), the next, 12th chapter begins with the words: "The trace of Tarasov was found." |
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| Random news from the Archive MSP430FR5969 - high-performance microcontroller with FRAM memory
02.05.2015
The MSP430FR5969 from Texas Instruments is an innovative microcontroller that uses FRAM instead of FLASH.
FRAM memory has an advantage over traditional FLASH memory for microcontrollers, which determines its reliability and ease of use.
Of the additional advantages, it is worth noting the possibility of using the FRAM-memory area as random access memory, and the size of this area is set by the user. Also, the developer can set the protection of certain areas of memory from different types of access (read / write).
The MSP430FR5969 integrates powerful analog peripherals, including a 12-bit ADC with voltage reference and a 16-input analog comparator. For communication with external devices, the controller provides UART, SPI, I2C interfaces, as well as an IrDA modulator for use in data exchange interfaces using infrared radiation. The UART and I2C interfaces can be used to program or update the controller software using the BSL bootloader. All GPIO pins support CapTouch capacitive sensor technology.
A significant advantage is the presence of the MSP-EXP430FR5969 debug board with the EnergyTrace ++ tool implemented on it.
EnergyTrace++ is the only technology that allows you to track the consumption of the microcontroller, the operating mode of the core and the status of each of the peripheral modules in real time. This allows for maximum optimization of the system's power profile and improves the efficiency of the microcontroller software.
The MSP430FR5969 is ideal for applications that frequently overwrite data in the ROM area and for long battery life applications.
The main parameters
Clock frequency: 16 MHz;
FRAM size: 64 KB;
SRAM-memory: 2 KB;
Number of GPIO pins: 40;
Number of I2C interfaces: 1;
Number of SPI interfaces: 3;
Number of UART interfaces: 2;
Number of DMA channels: 3;
Analog-to-digital converter: 12-bit, 16 channels;
Number of analog comparator inputs: 16;
Number of 16-bit timers: 5;
Encryption module: AES256;
Operating temperature range: -40...85.
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