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follows closely behind the CPU and memory in determining the overall effectiveness of a computer system. Virtual memory The fetch/decode/execute cycle Disk I/O None of these is correct. Question 36 5 pts Assume you have two upgrade options at the same cost. Option 1: upgrade to a CPU that's 50% faster or option 2: upgrade the 1.O system to make it 100% faster. Assume processes spend 80% of their time running in the CPU and 20% of their time waiting for disk service. Which option would you pick? Option 1 The two options have the same speed up Option 2 MacBook Air

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Disk I/O follows closely behind the CPU and memory in determining the overall effectiveness of a computer system.

What is Disk IO?

  • Disk I/O comprises all read, write, and input/output operations involving a physical disk that are measured in KB/s.
  • It monitors active disk I/O time or, to put it another way, the pace at which data is transferred from the hard drive to the RAM.

CPU:

  • The part of a computer that obtains and executes instructions is called the central processing unit (CPU).
  • A CPU in the CAD system can be treated of as the brain of CAD system.
  • The CPU is composed up of a control unit, numerous registers, and an arithmetic and logic unit (ALU).
  • The term "processor" is frequently used to refer to the CPU Central Processing Unit.

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