Question

what is computer ?????​

Answer 1

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what is computer ?????

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An electronic device that accepts data and processes it into useful information is called a Computer.

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Two main aspects of the computer:

• Input: The data we enter into the computer is called the input. Input, basically are raw facts for which we want the system to process and give us an outcome
• Output: The answer that the computer provides in return of the raw data entered, is called output.

Generations of Computer:-

• First Generation Computer
• Second Generation Computer
• Third Generation Computer
• Fourth Generation Computer
• Fifth Generation Computer

Types of Computer:-

• Super Computer – The computers which are used to process a huge amount of data at once are called Supercomputers. They are mostly used in scientific and engineering operations where the processing is complex. They are expensive and complicated to work. For example – The computers used by NASA to launch space shuttles.
• Mainframe Computer – Computers designed to be used in large firms and organisations where a lot of people have to work on the same database are called mainframe computers. They are almost equally as expensive as Supercomputers and are the fastest working computers at present. They are mostly used in Banks.
• Workstation – Usually a single user system is called a work station. The RAM for such systems is more, and the processors are quite fast. They are mostly used by an individual and can be used for multiple purposes.
• Microcomputer – Designed for personal use only. This type of computers can easily be moved from one place to the other. They have a personal storage area, input & output unit and a Central Processing Unit. Examples for microcomputer are desktop, laptop, mobile phone, tables, etc.

Function of computer:-

1. Lengthy calculations which may take hours to be completed manually can now be done within seconds
2. Easy to use and cost-effective. People can buy them at reasonable prices
3. Reduced manual labour
4. Made storing information easier and more convenient
5. Years of data can be saved in the form of data in computers without the fear of losing it
6. There can be no question over its accuracy if the input has been given correctly.

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Answer 2

Answer:

hello

Explanation:

happy birthday in advance