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In deze handleiding worden twee technieken beschreven voor visuele cryptografie. Bij de eerste techniek worden twee transparanten met schijnbaar willekeurige patronen van zwarte blokjes over elkaar geschoven om een geheime afbeelding tevoorschijn te laten komen. De tweede techniek gebruikt twee afbeeldingen in grijstinten die transparant over elkaar geschoven worden om een geheime afbeelding op te roepen. De enige voorkennis die nodig is om deze technieken te kunnen uitvoeren, is het gebruik van een rekenblad (hier: Excel) en van een fotobewerkingsprogramma.

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks. Conventionally, a modern computer consists of at least one processing element, typically a central processing unit (CPU), and some form of memory. The processing element carries out arithmetic and logical operations, and a sequencing and control unit can change the order of operations in response to stored information. Peripheral devices include input devices (keyboards, mice, joystick, etc.), output devices (monitor screens, printers, etc.), and input/output devices that perform both functions (e.g., the 2000s-era touchscreen). Peripheral devices allow information to be retrieved from an external source and they enable the result of operations to be saved and retrieved.(Demo Document )

Linux es un sistema operativo: un conjunto de programas que permiten interactuar con el ordenador y ejecutar otros programas. La parte ms importante de un sistema operativo es el ncleo. En un sistema GNU/Linux, Linux es el ncleo. El Shell es el programa-interface y es un script para la terminal que solo tenemos que agregar la extensión .sh que provee la comunicacin entre el usuario y el Sistema operativo, sus funciones son: Servir como traductor de comandos, recibe los comandos internos del mismo sistema operativo y Shell se encarga de su ejecucin, en cambio si hablamos de comandos realizados por el usuario entre la funcin del kernel, el los ejecuta y se encarga de procesar sus rdenes.

Localization is the challenge of determining the robot's pose in a mapped environment. This is done by implementing a probabilistic algorithm to filter noisy sensor measurements and track the robot's position and orientation. This paper focuses on localizing a robot in a known mapped environment using Adaptive Monte Carlo Localization or Particle Filters method and send it to a goal state. ROS, Gazebo and RViz were used as the tools of the trade to simulate the environment and programming two robots for performing localization.

When it comes to making a long-distance call, it's hard to top NASA's Deep Space Network. It’s the largest and most sensitive scientific telecommunications system in the world. so our objective is To archive knowledge of operations procedures. provide a capability to assist in execution monitoring; Provide a capability for automatically Constructing the plan to be executed and monitored. This paper describes the application area of DSN antenna operations, describes the plan to reduce the distance.

Exercises sheet for high school students in Skoura-Boulmane , Morocco

The goal of this paper is to analyze content shared in social media by presidential candidates in the United States of America. In particular, Twitter posts are being inspected, using advanced methods of big data analysis. In this report we describe the usage of tools, such as Map Reduce, collaborative filtering, k-means clustering and others, to determine different features of candidates' communication. We also made an application for recommending ideas to candidates based on the their Twitter analysis. At the end we show overview of our findings and propose directions for further analysis.

MATLAB final report for MATH 210-01