Discribe different important component of computer system
Answers
1) Hardware components - processor, main memory, secondary memory, output devices, input devices.
2) Software components - system software, application software. They are not in any physical form, they are stored digitally.
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Important components of a computer
Memory : Memory is the place for storing data obtained from the input and also the generated solution or answer by the computer. There are two types of memories in a computer.
1. Internal Memory 2. External Memory. The internal memory is of two types.
1. RAM (Random Access Memory): This is created from electronic components. Any electronic component can function only as long as it is supplied with electricity.
2. ROM (Read Only Memory): The information stored here can only be read. We cannot make changes to the information originally stored here.
Operating system : This is a program which provides a means of communication between the computer and the person working on it. It is called the DOS (Disk Operating System). We cannot use a computer without its operating system.
Program : A program is a group of commands to be given to a computer.
Data and information : Data is information in its raw (unprocessed) form.
Two main components of computers
Hardware : Hardware consists of all the electronic and mechanical parts used in computers.
Software : Software refers to the commands given to the computer, information supplied to it (input) and the results obtained from the computer after analysis (output).