Basics of Web Design: HTML5 & CSS3 (3rd Edition)
3rd Edition
ISBN: 9780133970746
Author: Terry Felke-Morris, Terry Morris
Publisher: PEARSON
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Chapter 5, Problem 1HOE
Program Plan Intro
- Include the HTML tag using <HTML>.
- Include the header tag using <head>.
- Include the style on the webpage using <style> tag.
- Close the style tag using </style>.
- Close the header tag using </head>.
- Open the body of the web page using <body> tag.
- Include the content to be displayed in the webpage using paragraph <p> tag.
- Close the body using </body> tag.
- Include the header tag using <head>.
- Close the file using </html> tag.
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Given the following Extended-BNF grammar of the basic mathematical expressions:
Show the derivation steps for the expression: ( 2 + 3 ) * 6 – 20 / ( 3 + 1 )
Draw the parsing tree of this expression.
SEE IMAGE
Whentheuserenters!!,themostrecentcommandinthehistoryisexecuted.In the example above, if the user entered the command:
Osh> !!
The ‘ls -l’ command should be executed and echoed on user’s screen. The command should also be placed in the history buffer as the next command.
Whentheuserentersasingle!followedbyanintegerN,theNthcommandin the history is executed. In the example above, if the user entered the command:
Osh> ! 3
The ‘ps’ command should be executed and echoed on the user’s screen. The command should also be placed in the history buffer as the next command.
Error handling:
The program should also manage basic error handling. For example, if there are no commands in the history, entering !! should result in a message “No commands in history.” Also, if there is no command corresponding to the number entered with the single !, the program should output "No such command in history."
Activity No.
Activity
Time (weeks)
Immediate Predecessors
1
Requirements collection
3
2
Requirements structuring
4
1
3
Process analysis
3
2
4
Data analysis
3
2
5
Logical design
50
3,4
6
Physical design
5
5
7
Implementation
6
6
c. Using the information from part b, prepare a network diagram. Identify the critical path.
Chapter 5 Solutions
Basics of Web Design: HTML5 & CSS3 (3rd Edition)
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