Difference between revisions of "CSC103 2011 Take-Home Final Exam 2"
(→Problem #3: Javascript (25 points)) |
|||
| (7 intermediate revisions by the same user not shown) | |||
| Line 7: | Line 7: | ||
</center--> | </center--> | ||
| − | + | <onlydft> | |
<tanbox> | <tanbox> | ||
| − | This final exam is take-home. It is open-books, open-notes, and open-Web. It is due a week after it is made available, at '''noon''' on Friday | + | This final exam is take-home. It is open-books, open-notes, and open-Web. It is due a week after it is made available, at '''noon''' on Friday April 22nd, 2011. |
The work has to be done individually, not in a group. You cannot discuss the details of this exam with anyone except your prof. The TAs are not allowed to help you out with exam material in any way. Questions will only be answered in two ways: in person, in class only. Outside class time, only via email. If you have questions regarding the exam and cannot wait until the next class time, or if the last class has already been given, then you should send your question(s) via email to [mailto:thiebaut@cs.smith.edu thiebaut@cs.smith.edu], and the question and its answer will be broadcast back to the whole class via email. | The work has to be done individually, not in a group. You cannot discuss the details of this exam with anyone except your prof. The TAs are not allowed to help you out with exam material in any way. Questions will only be answered in two ways: in person, in class only. Outside class time, only via email. If you have questions regarding the exam and cannot wait until the next class time, or if the last class has already been given, then you should send your question(s) via email to [mailto:thiebaut@cs.smith.edu thiebaut@cs.smith.edu], and the question and its answer will be broadcast back to the whole class via email. | ||
| Line 20: | Line 20: | ||
<br /> | <br /> | ||
| − | =Problem #1: Boolean Logic ( | + | =Problem #1: Boolean Logic (30 points)= |
The three equations below represent three different logic expressions using '''and''', '''or''' and '''not''' gates of three boolean variables A, B, and C. A boolean variable can take only one of two possible values: True or False. | The three equations below represent three different logic expressions using '''and''', '''or''' and '''not''' gates of three boolean variables A, B, and C. A boolean variable can take only one of two possible values: True or False. | ||
| Line 37: | Line 37: | ||
| − | =Problem #2: Assembly ( | + | =Problem #2: Assembly (30 points)= |
| Line 65: | Line 65: | ||
You are encouraged to use labels, as they make the programs more readable, but if you prefer not to use labels, you will not be penalized. | You are encouraged to use labels, as they make the programs more readable, but if you prefer not to use labels, you will not be penalized. | ||
| − | =Problem #3: Javascript ( | + | =Problem #3: Javascript (40 points)= |
Write a '''javascript''' program that uses only one print statement of the form: | Write a '''javascript''' program that uses only one print statement of the form: | ||
| Line 71: | Line 71: | ||
document.write( "*" ); | document.write( "*" ); | ||
| − | and displays | + | and displays the following output: |
| + | <source lang="text"> | ||
********** | ********** | ||
********* | ********* | ||
| Line 83: | Line 84: | ||
** | ** | ||
* | * | ||
| − | + | </source> | |
Note that there are 10 lines, and each line contains a decreasing number of stars. The first line contains 10 stars, the second 9 stars, etc. | Note that there are 10 lines, and each line contains a decreasing number of stars. The first line contains 10 stars, the second 9 stars, etc. | ||
The first star of the first line starts at the left margin of the screen. The first star of the second line starts after 1 space from the left margin. The first star of the third line starts after 2 spaces from the left margin, etc. | The first star of the first line starts at the left margin of the screen. The first star of the second line starts after 1 space from the left margin. The first star of the third line starts after 2 spaces from the left margin, etc. | ||
| − | You must use loops. | + | You must use loops. The number of loops is up to you. |
| − | |||
| − | |||
| + | Remember that all the stars must be printed by only one document.write() statement that prints only one star: '''document.write( '*' )'''. You may have additional document.write() statements, but these cannot print stars. | ||
| − | + | Note that to HTML "absorbs" space characters by default. So if you want to print spaces that are not absorbed you can print the special character "&nbsp;", as follows: | |
| − | + | document.write( "&nbsp;" ); | |
| − | |||
| − | + | Use the programs from the [[CSC103_Lab_4_Solution_2011| Lab 4 solution]] page for inspiration in terms of organization and documentation. | |
<br /> | <br /> | ||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
=Submission= | =Submission= | ||
| Line 150: | Line 107: | ||
* Make sure you write your name at the top of the document. | * Make sure you write your name at the top of the document. | ||
* Submit your pdf file as an attachment of a message you will mail to 103b@cs.smith.edu, with the subject '''final exam''' | * Submit your pdf file as an attachment of a message you will mail to 103b@cs.smith.edu, with the subject '''final exam''' | ||
| − | + | <br /> | |
| − | <br /> | ||
<br /> | <br /> | ||
<br /> | <br /> | ||
<br /> | <br /> | ||
<br /> | <br /> | ||
| − | + | </onlydft> | |
