Ex 1) Trace the following flowchart for when input is 11 and complete the trace table. Also write pre-post- conditions for this flowchart. start num prime true d+2 prime true and F d≤num/2 F num mod d=0 prime = true T "is not prime" T num, "is prime" prime-false d+d+1 end num prime d output

Ex 1) Trace the following flowchart for when input is 11 and complete the trace table. Also write pre-post- conditions for this flowchart. start num prime true d+2 prime true and F d≤num/2 F num mod d=0 prime = true T "is not prime" T num, "is prime" prime-false d+d+1 end num prime d output

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Concept of flowchart

A flow chart diagram is a collection of symbols that represents the steps involved in a process. It is a generic tool that can be adapted for various purposes. It is one of the most common process analysis tools. It is used for the graphical analysis of an algorithm. It helps to represent the flow of the process from the input to output. A flowchart that represents the workflow of activities is known as an activity diagram.There are so many ways that can help people to understand computer technologies and their applications. One of them is a flowchart diagram.

Question

please help me with these questions. I having trouble understanding it. Please review the images below for instructions. And please include both pre and post conditions

Thank you

Ex 1) Trace the following flowchart for when input is 11 and complete the trace table. Also,
write pre- post- conditions for this flowchart.
start
num
prime true
d+2
prime true and
F
d≤num / 2
F
T
prime = true
F
num mod d=0
"is not prime"
num, "is prime"
prime-false
d+d+1
end
num
prime
d
output

Ex 2) Trace the following flowchart for the input values 3. 12. -2, 5. 15. 1. 1. 1 and complete
the trace table. Also, write pre-post-conditions for this flowchart.
start
sum1 -0
sum2 - 0
i+1
i+i+1
num
F
i≤4
sum1 <sum1 + num
sum1 sum2 i
num
output
i+1
F
i≤4
i+i+1
F
T
num
sum1=sum2
T
"no"
"yes"
sum2 + sum2 + num
end

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