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The major characteristics of computers are the following:
- Speed : A powerful computer is capable of executing about 3 million calculations per second.
- Accuracy : A computer's accuracy is consistently high; if there are errors, they are due to errors in instructions given by the programmer.
- Reliability : The output generated by the computer is very reliable as long as the data is reliable.
- Memory/Storage Capacity : The computer can store large volumes of data and makes the retrieval of data an easy task.
- Versatility: The computer can accomplish many different things. It can accept information through various input-output devices, perform arithmetic and logic operations, generate a variety of outputs in a variety of forms, etc.
- Automation: Once the instructions are fed into computer it works automatically without any human intervention.
- Diligence: A computer will never fail to perform its task due to distraction or laziness.
- Convenience: Computers are usually easy to access, and allow people to find information easily that without a computer would be very difficult.
- Flexibility: Computers can be used for entertainment, for business, by people who hold different ideals or who have varied goals. Almost anyone can use a computer, and computers can be used to assist with almost any goal.
1. Motherboard - offers a foundation and path for all devices that compose a computer. 2. Processor - Enable the components of a computer to interact and also performs calculations and data processing.
3. Computer RAM or memory - allows the operating system and other components to use on the fly memory to store temporary information rather than writing it to a disc, thus greatly improving speed.
4. Hard Drive Disk - Stores all permanent read/write information, such as the operating system and any other files the user adds to it.
5. Power supply - Without a power supply none of the components needing power would work, which is basically all components.
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