Tick the correct answer .
3) Mainframe Computers were first developed by .......................... .
(a) Dell.
(b) Sony.
(c) IBM.
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Tick the correct answer .
3) Mainframe Computers were first developed by .......................... .
(a) Dell.
(b) Sony.
(c) IBM.
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option c)ibm is the answer
Answer:
I'm not sure but I guess that it will be IBM
Explanation:
I'm not sure but guessed ok byy
thanks