1 topic: living with a computer plan: Understanding of personal computer. Basic devices of a personal computer Additional devices of the personal computer


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20 – Lessons Esonov Elbek

15 SUBJECT PROGRAMMING

  • Programming is the process of creating, testing, and modifying programs for computers and other microprocessor-based electronic machines. Programming is usually done using high-level programming languages (PHP, Java, C++, Python). Because the semantics of these programming languages are close to human language, the process of creating a program is much easier.
  • Programming 1. A science that deals with solving problems on electronic machines and developing theories and methods of performing various types of mental work on them; practical department of algorithm theory; a human-machine interface. One of the main tasks is the methods of creating a program for electronic machines, checking and improving them. The algorithm of the problem to be solved is transferred to "machine language" in Programming.
  • Programming is divided into direct programming and automatic programming. In Direct Programming, the programmer does all the work, from designing the general scheme of the program to coding and inputting it into the machine. In automatic programming, the programmer only creates a program scheme and writes it in abbreviated symbolic form, while the machine itself performs technical tasks such as creating a program and coding it with the help of a special programming program.
  • The programming process is usually divided into the following stages: problem setting; creating an algorithmic description of the problem; Programming the problem in a high-level programming language; approximate problem Programming in machine language; Programming the problem in machine language
  • A programming language is the main tool for creating programs. These languages are similar to other natural languages in that they do not depend on a specific machine instruction system and have a common feature in terms of phrase structure. Expressions are divided into two types - operators and descriptions, their relationships are separated by parentheses, and separated by semicolons. An operator is an operational unit of the language, and in turn, it is divided into operators that assign a value to a variable, a (conditional) operator that selects an appropriate calculation network according to a condition, and loop operators that perform repeated calculations. The description describes variable size and other character properties. A program designed to solve a specific problem can be symbolically defined as functional. Such specification and description are collectively referred to as a subprogram. Small programs can be used ready-made when creating new programs.
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