Question

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Answer 1

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1) Input devices :- Input devices are used to give the input to the computer systems. With the help of input devices we interact with the computer and give the instructions to it.

Input devices :- Input devices are used to give the input to the computer systems. With the help of input devices we interact with the computer and give the instructions to it.For Example:- Keyboard, Mouse etc.

Output devices :- Output devices are used to give the final result to the user which is given by the computer processor.

Output devices :- Output devices are used to give the final result to the user which is given by the computer processor.For example:- Monitor, Printer, speakers etc.

2) Primary memory is the main memory of the computer which can be directly accessed by the central processing unit, whereas secondary memory refers to the external storage device which can be used to store data or information permanently.

3) DVDs(Digital Versatile Disc)- DVDs are similar to CDs but can hold visual displays like movies or large amount of data. ... A DVD disc has a storage capacity starting from 4.7GB up to 8 GB which is equivalent to 6 CDs. Blu-ray Disc- Blu-ray Disc- is an optical storage medium designed to supersede the DVD format.

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Answer 2

Answer:

Input devices : an input device is a piece of computer hardware equipment used to provide data and control signals two and information processing system such as computer or appliances.

Output devices : an output device is a piece of computer hardware which converts into human readable form. it can be text, graphics , output , printer , speaker etc.

Primary memory : primary memory is a computer memory that a processor or computer access first or directly. it allows a processor to running execution application and services that are temporary stored in specific memory location.

Secondary Memory : secondary memory memory is the slowest and cheapest memory form of memory. it can be processed by the CPU.

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