Software test of top test technology personal study note finishing (first lecture)--Computer Foundation

First, computer software

1. Software Definition:

A software definition is a collection of computer data and instructions organized in a specific order;

Software definition is the bridge between user and computer hardware

2. Software classification:

Generally speaking, the software is divided according to the application scope , which divides into the system software , the application software and the middleware between the two.

System software includes: Operating system, programming language, Language processing program, database management system, support Service software

Application software includes: User program, application package

3. Common Operating systems:

Pc-dos, MS-DOS, Windows 3.2, Windows 95, Windows 98, Windows 2000, Windows XP

Unix, Xenix, NetWare, Linux

4. Introduction to programming languages

Machine language: A set of machine instructions that a computer can directly identify and execute using binary code.

Assembly language: Symbolic languages that cannot be directly recognized by a computer using mnemonics instead of binary machine instructions

Advanced languages: Basic, Fortran, Pascal, C, Cobol, Java, VB, Delphi, etc.

Language Processing programs: assembler, compiler, interpreter

Database management System (DBMS):D base, Foxbase, Foxpro, Visual Foxpro, Oracle, Sybase, SQL Server, etc.

Support Services software: Editing programs, connection programs, diagnostics, debugging programs, antivirus software

5. Supplement: Win7 Common commands

Software test of top test technology personal study note finishing (first lecture)--Computer Foundation