PPSC Past Paper Sub inspector Punjab Police 2019 Solved MCQs, Computer MCQs, Electronic Record Keeping MCQs, PPSC Solved Past Papers MCQsTrackball is a(n)?A. Storage Device B. Output Device C. Input Device D. Programming Language In the field of telecommunication, LTE stands for?Ahmed reads 24 pages of a book in 15 minutes. The rate of pages read per minute by him will be?