1. Not familiar with 2. Basic operation? 3. Skilled? 4. Main
General computer level is divided into:
Level 1: check the basic knowledge of microcomputer and the basic skills of using office software and Internet.
Level 2: check the basic knowledge of computer and the basic skills of programming with high-level computer language and debugging on computer.
Three levels: divided into four categories: PC technology, information management technology, database technology and network technology.
Level 4: divided into three categories: network engineer, database engineer and software test engineer.
If you haven't taken relevant exams, but are familiar with the basic operation and skills of computers, you can also write: general, proficient, etc.
Computer, commonly known as computer, is an electronic computer for high-speed calculation, which can be used for numerical calculation, logical calculation and memory storage. It is a modern intelligent electronic device that can run according to the program and automatically process massive data at high speed. It consists of hardware system and software system, and a computer without any software is called bare metal.
It can be divided into five categories: supercomputer, industrial control computer, network computer, personal computer and embedded computer. More advanced computers include biological computers, photonic computers and quantum computers.
John von neumann, the inventor of the computer. Computer is one of the most advanced scientific and technological inventions in the 20th century, which has had an extremely important impact on human production and social activities, and has developed rapidly with strong vitality.
Its application field has expanded from the initial military scientific research application to all fields of society, forming a huge computer industry, promoting global technological progress and triggering profound social changes. Computers have spread all over ordinary schools, enterprises and institutions, entered the homes of ordinary people and become an indispensable tool in the information society. ?
The application of computers is becoming more and more common in China. After the reform and opening up, the number of computer users in China has been increasing, and the application level has been improving, especially in the fields of Internet, communication and multimedia.
From 1996 to 2009, the number of computer users increased from 6.3 million to 6,765,438+million, and the number of networked computers increased from 29,000 to 59.4 million. The number of netizens has reached 3160,000, and there are 670 million mobile users of wireless Internet, among which the number of mobile Internet users has reached1.170,000, ranking first in the world.
References:
National Computer Rank Examination (NCRE)