Question

which is computers hardware? CD/DVD, scanner, unix​

Answer 1

Answer:

CD/DVD are hardwares because we can touch them.

Explanation:

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Answer 2

CD/DVD and scanners are computer hardware devices whereas unix is a system software Operating System.

• Computer hardware devices are are the physical devices (which are tangible) associated with a computer system.

• CD/DVD are secondary memory storage devices. DVD's can store a large amount of data, much more than a CD's.

• Scanner is a hardware input device that delivers the soft copy of a document as an output. A scanner is a peripheral device just like printer but accepts an input from the users.

• Unix is a system software (it is intangible), also known as an Operating System. Unix OS is characterized by multi tasking, multi user capabilities.

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