So the input list [0,1,0,1,1,0] would result in the output list [16, 4, 2]. i. Describe the type of the input and output data for this first task and describe the allowable values for each. ii. Specify one further test list in addition to the list you have created using your Pl number. Make sure that you state the test input, the expected output and a brief explanation of why you selected this test. iii. Write an algorithm based on Pattern 2.3 Note that you will need to modify step 4ai. iv. Implement your algorithm as Python code. Your code must match the steps of your algorithm and you should use comments in the code to make it clear how the two correspond. Marks will be lost if the program does not follow the algorithm. Copy your Python code, as text, into your Solution document. Name your Python file Q2a_OUCU.py, where 'OUCU' is your OU computer username, e.g. abc123. Then include the code file in your TMA zip file.

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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Question
A student wants to design and implement a Python program to convert any 6-bit unsigned
binary number to its decimal equivalent. There are many ways of doing this, but here is their
initial top-level decomposition:
> Convert binary to decimal
>> Input a list of six 1s and Os corresponding to the binary number to be converted
>> Input a list of six column weightings consisting of powers of two
>> Create a new list that contains the decimal values of each binary digit of 1 in
the input list
>> Add up the decimal values in the new list and print result
a. In this part of the question you will consider only this section of the top-level algorithm:
>> Input a list of six 1s and Os corresponding to the binary number to be converted
>> Input a list of six column weightings consisting of powers of two
>> Create a new list that contains the decimal values of each binary digit of 1 in
the input list.
In order to test your code you should also add the step
>> print the new list
In order to test this part of your program, you will create a binary number based on your
Pl. [Your Pl is the long number that starts with a letter, followed by either seven digits or
6 digits and an X].
Perform the following steps with pen and paper - you should not write code for these
steps:
For each of the first 6 digits in your PI, create an input list of 1s and Os of length 6 as
follows:
If a digit in your Pl is even, append 0 to the input list, if it is odd, append 1 to the input
list.
For example, for the PI B0381720, the first six digits (in order) are even (0), odd (3),
even (8), odd (1), odd (7), even (2).
So your input list would be [0,1,0,1,1,0]
The list of conversion values for converting binary to decimal will always be [32, 16, 8, 4,
2, 11.
Transcribed Image Text:A student wants to design and implement a Python program to convert any 6-bit unsigned binary number to its decimal equivalent. There are many ways of doing this, but here is their initial top-level decomposition: > Convert binary to decimal >> Input a list of six 1s and Os corresponding to the binary number to be converted >> Input a list of six column weightings consisting of powers of two >> Create a new list that contains the decimal values of each binary digit of 1 in the input list >> Add up the decimal values in the new list and print result a. In this part of the question you will consider only this section of the top-level algorithm: >> Input a list of six 1s and Os corresponding to the binary number to be converted >> Input a list of six column weightings consisting of powers of two >> Create a new list that contains the decimal values of each binary digit of 1 in the input list. In order to test your code you should also add the step >> print the new list In order to test this part of your program, you will create a binary number based on your Pl. [Your Pl is the long number that starts with a letter, followed by either seven digits or 6 digits and an X]. Perform the following steps with pen and paper - you should not write code for these steps: For each of the first 6 digits in your PI, create an input list of 1s and Os of length 6 as follows: If a digit in your Pl is even, append 0 to the input list, if it is odd, append 1 to the input list. For example, for the PI B0381720, the first six digits (in order) are even (0), odd (3), even (8), odd (1), odd (7), even (2). So your input list would be [0,1,0,1,1,0] The list of conversion values for converting binary to decimal will always be [32, 16, 8, 4, 2, 11.
So the input list [0,1,0,1,1,0] would result in the output list [16, 4, 2].
i. Describe the type of the input and output data for this first task and describe the
allowable values for each.
ii. Specify one further test list in addition to the list you have created using your Pl
number. Make sure that you state the test input, the expected output and a brief
explanation of why you selected this test.
iii. Write an algorithm based on Pattern 2.3 Note that you will need to modify step 4ai.
iv. Implement your algorithm as Python code. Your code must match the steps of your
algorithm and you should use comments in the code to make it clear how the two
correspond. Marks will be lost if the program does not follow the algorithm. Copy
your Python code, as text, into your Solution document. Name your Python file
Q2a_OUCU.py, where 'OUCU' is your OU computer username, e.g. abc123. Then
include the code file in your TMA zip file.
Transcribed Image Text:So the input list [0,1,0,1,1,0] would result in the output list [16, 4, 2]. i. Describe the type of the input and output data for this first task and describe the allowable values for each. ii. Specify one further test list in addition to the list you have created using your Pl number. Make sure that you state the test input, the expected output and a brief explanation of why you selected this test. iii. Write an algorithm based on Pattern 2.3 Note that you will need to modify step 4ai. iv. Implement your algorithm as Python code. Your code must match the steps of your algorithm and you should use comments in the code to make it clear how the two correspond. Marks will be lost if the program does not follow the algorithm. Copy your Python code, as text, into your Solution document. Name your Python file Q2a_OUCU.py, where 'OUCU' is your OU computer username, e.g. abc123. Then include the code file in your TMA zip file.
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