Introduction to Computing Section 4 Quiz

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What is the first step in the computer problem-solving process?

Analyze the problem (correct)

Write the remaining modules

Re-sequence and revise as necessary

List the main tasks

What is the purpose of top-down design in computer programming?

To analyze the problem

To re-sequence and revise as necessary

To expand every task to the smallest details (correct)

To list the main tasks

What does pseudocode in computer programming use to make the steps in the solution explicit?

A mixture of English and formatting (correct)

A sequence of precisely defined instructions

Ability to alter the order of instructions

A finite amount of time

Which type of operations involve repeating the execution of a block of instructions?

Iterative operations (loops) Signup and view all the answers

What is the formula to compute the perimeter (p) of a triangle with sides a, b, and c?

$p = a + b + c$ Signup and view all the answers

What is the correct way to compute the angle (θ) given the coordinates (x,y) of a point?

$θ = tan(y/x)$ if x ≥ 0, else $θ = tan^-1(y/x)$ Signup and view all the answers

What does an algorithm consist of?

An ordered sequence of precisely defined instructions Signup and view all the answers

What type of operations are executed in order?

:Sequential operations Signup and view all the answers

According to the text, what is the 'divide and conquer' approach in problem-solving?

Breaking up a problem into smaller manageable subtasks Signup and view all the answers

What did G. Polya's 'How to Solve It' list originally address?

Solving mathematical problems Signup and view all the answers

In computing, why should a good programmer avoid reinventing the wheel?

Certain problems have already been solved and can be reused Signup and view all the answers

What is the purpose of looking for familiar things in computing, as mentioned in the text?

To reuse existing solutions for similar problems Signup and view all the answers

What is the role of algorithms in computer problem-solving, based on the text?

Providing a set of instructions for solving problems in a finite amount of time Signup and view all the answers

According to the text, what is the first step to understand and solve a problem?

Understanding what information is available about the problem Signup and view all the answers

Why is it important to break up a large problem into smaller units in problem-solving?

To make each subtask manageable Signup and view all the answers

What should a good programmer do when encountering a task that has been solved before?

Plug in the previously solved solution Signup and view all the answers

What does an algorithm provide for problem-solving?

Unambiguous instructions for solving problems in finite time with finite data Signup and view all the answers

What does a good programmer do when they see a task or subtask that has been solved before?

Plugs in the solution that has been used before Signup and view all the answers

Introduction to Computing Section 4 Quiz

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