Question

c.d . harddisk computer which part work input or output ​

Answer 1

Answer:

An input device.

Explanation:

Output is the result

Answer 2

Answer:

input is the correct answer

Explanation:

hard disk drives are both input and output devices because the CPU can either read data from them or write data to them. A CDROM drive, on the other hand, is an input device only because it cannot be written to by the CPU. the common thing in both is input thus input is the correct answer