Computer comes from the word for calculating means calculates, so the computer can be called calculating machines. Computer science is the knowledge in the use and procedures for computer his work knowledge about how computers work, we also call EDP Electronic Data Processing abbreviated. -State in the country that has been advanced, computer science has entered all areas of society do, whether in business, medicine, military, etc., even in outer space even.
There are four important things on the computer:
1. construction equipment with electronic
2. Internal storage
3. operating system
4. program
Computer types
Computer division by type can be done by:
· workings
· purpose
· and working memory capacity
Based way of working, we can be the computer for three types, namely:
1. analog computer is a computer that operates in parallel or the same physical size or the number received
2. Digital computer is a computer operating or working with numbers or other signs such as letters, punctuation and other special characters in the operations in identified as number
3. Hybrid Computers is a combination of both types are on the computer
Computer Generation
· first generation computer
Computers with electronic components that form Vacum Tubes we call the beginning computer. Equipment generation of computer equipment is still in a very large size and require a large room or place. The nature of the computer is a lot of heat, thus forcing people to provide cooling equipment (AC) that many
· second-generation computer
The characteristics of second generation computers is higher speed in carrying out data processing, not too hot, and memory capacity grows. Computer generation has also been known Teleprocessing, the distance data between one computer to another
· third-generation computer
The progress of electronics technology continues to grow until someone can find computer components are very small, which is solid and monolithic Technologie LOGIC INTEGRATED CIRCUIT. By using this component also increase the size of a small computer, the memory capacity becomes very large and the process can be done quickly and precisely
· four generations
The first generation made with electronic tubes. The second-generation computer built with transistors. Third-generation computer built with integrated circuits. Fourth generation computer integrated circuits made with high
SOME BASIC UNDERSTANDING
There are two kinds of computer digital computer and analog computer
Analog computer processing of analogue voltage signals, which can have any voltage between two particular voltage
CPU
CPU (Central Processing Unit) or a computer's central processing units perform similar activities and events fikir. Implemented here as the number of arithmetic operations and subtraction, multiplication, multiplication, and so forth, logic operations such as AND, OR, XOR, etc. san and also controls all the computer
Memory
Begian computer memory outside the CPU where programs store data. Memory section can be achieved directly by the CPU is called the main memory or main memory
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