A CPU has a frequency of 2GHz and can execute code with three types of instructions: 1. Type 1 instructions require 1 cycle to finish. 2. Type 2 instructions require 4 cycles to finish. 3. Type 3 instructions require 10 cycles to finish. For each combination of instruction types below, estimate the total number of instructions executed in 1 second. Select the closest choice (round to the nearest). Note, the percentages indicate the number of instructions of each type in the executed code. Type Type Type Number of Instructions in 1 1 2 3 second: 0% about 2 billion [Select] 100% 0% 0% 100% 0% 0% 0% 100% 50% 50% 0% 50% 0% 50% 30% 40% 30% about 600 million about 1 billion about 700 million about 300 million about 400 million about 200 million ✓ about 2 billion about 100 million about 500 million ()
A CPU has a frequency of 2GHz and can execute code with three types of instructions: 1. Type 1 instructions require 1 cycle to finish. 2. Type 2 instructions require 4 cycles to finish. 3. Type 3 instructions require 10 cycles to finish. For each combination of instruction types below, estimate the total number of instructions executed in 1 second. Select the closest choice (round to the nearest). Note, the percentages indicate the number of instructions of each type in the executed code. Type Type Type Number of Instructions in 1 1 2 3 second: 0% about 2 billion [Select] 100% 0% 0% 100% 0% 0% 0% 100% 50% 50% 0% 50% 0% 50% 30% 40% 30% about 600 million about 1 billion about 700 million about 300 million about 400 million about 200 million ✓ about 2 billion about 100 million about 500 million ()
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A CPU has a frequency of 2GHz and can execute code with three types of instructions:
- Type 1 instructions require 1 cycle to finish.
- Type 2 instructions require 4 cycles to finish.
- Type 3 instructions require 10 cycles to finish.
For each combination of instruction types below, estimate the total number of instructions executed in 1 second. Select the closest choice (round to the nearest). Note, the percentages indicate the number of instructions of each type in the executed code.
Transcribed Image Text:A CPU operates at a frequency of 2GHz and can execute code with three types of instructions:
1. **Type 1** instructions require 1 cycle to complete.
2. **Type 2** instructions require 4 cycles to complete.
3. **Type 3** instructions require 10 cycles to complete.
For each combination of instruction types below, estimate the total number of instructions executed in 1 second. Select the closest choice (rounded to the nearest). Note that the percentages indicate the proportion of each type of instruction in the executed code.
| Type 1 | Type 2 | Type 3 | Number of Instructions in 1 second |
|--------|--------|--------|------------------------------------|
| 100% | 0% | 0% | about 2 billion |
| 0% | 100% | 0% | |
| 0% | 0% | 100% | |
| 50% | 50% | 0% | |
| 50% | 0% | 50% | |
| 30% | 40% | 30% | |
Options for the number of instructions in 1 second:
- about 100 million
- about 200 million
- about 300 million
- about 400 million
- about 500 million
- about 600 million
- about 700 million
- about 1 billion
- about 2 billion
The selected value is "about 2 billion" for the first row scenario.
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