Informatics in school №09’2015

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Journal «Informatics in school» №9’2015

№ 9 (112) November 2015

Contents of issue

LESSONS OF COMPUTER SCIENCE

Bosova L. L., Bosova A. Yu.

PRACTICAL WORKS ON INFORMATICS. 7TH GRADE

The formation of the skills in use of information technologies is impossible without the organization of individual student practical work with modern hardware and software. Detailed description of the 15 practical works in information technologies, aimed at students of the 7th grade is presented in the article.

Keywords: information technologies, practical work, secondary school.

Sorokina T. E.

LESSONS OF THE MODULE ON INFORMATICS FOR 5TH CLASS “PROPAEDEUTICS OF PROGRAMMING WITH SCRATCH”

The article presents lessons of the module “Propaedeutics of programming with Scratch” for use in the course of informatics in secondary school for the fifth class.

Keywords: Scratch, propaedeutics of programming, software environment, extracurriculum education, project activity, free software, algorithmiсs, teaching of programming languages, informatics, STEAM education, flipped lesson.

METHODICAL PIG BANK

Dyakova V. V.

NETWORK PROJECT “FROM THE VICTORY OF THE REGIONS TO THE GREAT VICTORY”

The article describes the experience of the project “From the victory of the regions to the Great Victory”. Group of students was studying theoretical material on the major landmarks of the Great Patriotic War, carried out practical tasks (issue of the school newspaper, making presentations, creating and filling the web-site), organized and conducted the action “Immortal Regiment in the gymnasium”.

Keywords: project, 70th anniversary of Victory in the Great Patriotic War, site, promotion, “Immortal Regiment”.

SUPERCOMPUTER EDUCATION AT SCHOOL

Eremin E. A.

HOW TO DEMONSTRATE PUPILS VISUALLY THE ADVANTAGES OF MULTIPROCESSOR SYSTEMS

A problem of working out a concordance is considered in the article as a demonstrative example of parallel data processing. The software imitator, visualizing a progress of calculations on an ordinary PC’s screen, is developed to demonstrate an execution of solution’s algorithms. Material is intuitively clear, together with the software support it may be used for explanation of parallel technologies advantages to pupils at school.

Keywords: parallel processing, multiprocessor systems, example, course content, concordance.

TASKS

Dmitriev V. L.

ABOUT EFFECTIVE SOLUTIONS IN PROGRAMMING TASKS

The article deals with the problems of finding efficient algorithms for solving a some class of tasks in the process of training in programming. Under the efficiency of the algorithm is understood the fulfillment of the requirements for the minimum memory usage of the program and the speed of the algorithm. The solutions of one of the author’s tasks are presented in the article.

Keywords: programming, efficiency, computing speed, algorithm, training.

OLYMPIAD IN INFORMATICS

Slinkina I. N.

OLYMPIAD TASKS ON THE THEORETICAL FOUNDATIONS OF INFORMATICS FOR SCHOOLCHILDREN AND STUDENTS

The article presents the tasks on the theoretical foundations of informatics with fairy tales subjects and the examples they’re to be solved. The presented tasks were given to the participants of the All-Russian Student Forum “Actual problems of the theory and methodology of informatics, mathematics and economics”. The tasks can be used to hold competitions or academic Olympiad among school students or among the students of pedagogical institutes acquiring the “Informatics” subject-oriented bachelor’s program within the “Pedagogical Education” Bachelor Program.

Keywords: Olympiad task on theoretical foundations of informatics, set theory, coding theory, logic problems, Eulerian circles, liner programming problem, dual problems, transport problem, numerical systems.

COMPUTER SCIENCE IN PRIMARY SCHOOLS

Aleksandrova O. V.

INTEGRATED LESSON-QUIZ “AN EXCITING JOURNEY INTO THE MAGIC WORLD OF FAIRY TALES”

The article describes the experience of using computer interactive didactic games with children of preschool age in the computer club.

Keywords: information technologies, preschool pedagogy, computer didactic games, interactive whiteboard, speech disorders.

ENTERTAINING COMPUTER SCIENCE

Kildishov V. D.

USING MS EXCEL FOR STUDYING THE BASICS OF STEGANOGRAPHY

The article describes the models of hidden data transmission using tabulated values of functions and colors of filling of the MS Excel cells.

Keywords: steganography, transmission of data, MS Excel.

Ochkov V. F., Bogomolova E. P.

A LITTLE ABOUT RECURSION, NUMBER SERIES AND FRACTALS

The article deals with the problem of using recursion for generating series of integers and for their analysis by the tools of Internet, as well as using recursion to solve puzzles.

Keywords: integers, recursion, factorial, Fibonacci numbers, puzzle “Towers of Hanoi”.

Zatsepina E. D., Mishina A. S.

NUMBER SYSTEMS: IT CAN BE FUN!

The article describes examples of tasks that can be used on informatics lessons to consolidate the theme “Number systems”.

Keywords: informatics lesson, number systems, motivation.

 

 

 

 

 

 

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