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Comp122 Assignment

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COMP122
Week 1 Homework

Part 1: Complete the following problems. (13 points)

1. What is machine code? Why is it preferable to write programs in a high level language such as C++? (2 points)
Machine code is a computer programming language that a computer hardware can understand and respond to. It is much easier to understand machine language and learn how to write programs using C++.

2. What does a compiler do? What kinds of errors are reported by a compiler? (1 point)
A compiler helps translate human created code into machine code for the computer. A compiler reports any errors in the code, such as syntax errors.

3. What does the linker do? (1 point)
A linker takes one or two machine codes and combines them into one program.

4. What is an algorithm? (1 point)
Algorithms are a list of instructions set up to complete a task.

5. Bob enters a pizza shop and notices there are three different sizes of pizzas available. Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza has the lowest cost per square inch.

a. Identify the inputs and outputs for this problem. (2 points)

Input: diameter of the three different size pizzas and cost
Output: size of pizza with the lowest cost per inch

b. Identify the processing needed to convert the inputs to the outputs. (2 points)

Area of each pizza in square inches= pi x (diameter divided by 2)^2

c. Design an algorithm in pseudocode to solve this problem. Make sure to include steps to get each input and generate each output. (4 points)
1. Determine the diameter of first size pizza
2. Determine area of first pizza
3. Determine cost per square inch of first pizza
4. Determine diameter of second size pizza
5. Determine area of second pizza
6. Determine cost per square inch of second pizza
7. Determine

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