Question: : - . 1 RAM ? What is the purpose of RAM in a computer system? . 2 ? What are the capabilities and limitations

:-.1 RAM ? What is the purpose of RAM in a computer system? .2? What are the capabilities and limitations of computer? .3 What is a barcode and how does it work? .4 Input Devices - Explain the input devices in computers? .5 Explain the system software and application software? .6? Explain the types of virus in computer? .7 Commands ? Explain the Internal commands in computer? .8

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