"Fundamentals of Programming" chapter III the elementary concept of computer problem solving

Classification of problems solved by computer

1. Calculation type

2. Logic

3. Mixed type

4. Repetitive type (problem of repeated execution of a set of mathematical and logical instructions)

first, steady and variableii. Types of data

Basic types: Numeric (integer, real), character (string), logical

Three, operator

　Mathematical operators, relational operators, logical operators

　　Priority level:

1. parentheses are preferred

2. advanced to Low Level

3. Same level from left to right

　　Level:

1. Multiplication, divide and withdraw

2. Add and Subtract

3. Relational operations

4. Logical Operation not

5. Logical Operation and

6. Logical Operation OR

iv. Expressions (calculation of computer recognition)

Basic Programming Basics "the elementary concept of computer problem solving