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OCR: 186 SECTION A CHAPTER 4 How op operating systems manage processor resources? Every cycle of computer c microprocessor sa resource for accomplishing tasks. In an earlier chapter, you learned how the control unit directs activi- ties within the microprocessor. Operating systems also control the microprocessor just ata slightly higher level Many activities called processes -compete for the attention of your com- puter's microprocessor. Commands are arriving from programs you' re using while input is arriving from the keyboard and mouse At the same time, data must be sent to the display device printer, pue Web pages are arriving from your Internet connect tion To manage all these competing processes, your computer's operating system must ensure that each process receives its share of microproc ...