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ECS Final Exam Fall

 1. 


Four characteristics of a computer are:

1.      It takes in input.
2.      It produces output.
3.      It processes information.
4.      It stores information.

A microwave can heat up or cook food for a set amount of time. A user can enter a specific heating time or select a button with a set time based on the food. For example, a popcorn button will cook popcorn in about 4 minutes when pressed.

a)      Based on the characteristics above, is a microwave a computer or not?
A.
A microwave is NOT a computer.
B.
A microwave IS a computer.
 

 2. 


Four characteristics of a computer are:

1.      It takes in input.
2.      It produces output.
3.      It processes information.
4.      It stores information.

A microwave can heat up or cook food for a set amount of time. A user can enter a specific heating time or select a button with a set time based on the food. For example, a popcorn button will cook popcorn in about 4 minutes when pressed.

b)      Select ONE of the characteristics of a computer, and explain why a microwave does or does not have the selected characteristic.
 A.
It processes information.
 B.
It stores information.
 C.
It produces output.
 D.
It takes in input.
 

 3. 


For (b) explain why a microwave DOES or does NOT have the characteristic you selected.
 

 4. 


Four characteristics of a computer are:

1.      It takes in input.
2.      It produces output.
3.      It processes information.
4.      It stores information.

A microwave can heat up or cook food for a set amount of time. A user can enter a specific heating time or select a button with a set time based on the food. For example, a popcorn button will cook popcorn in about 4 minutes when pressed.

c)      Select ONE of the characteristics of a computer that is different from your selection in part (b), and explain why a microwave does or does not have the selected characteristic.
 A.
It processes information.
 B.
It stores information.
 C.
It produces output.
 D.
It takes in input.
 

 5. 


For (c) explain why a microwave DOES or does NOT have the characteristic you selected.
 

 6. 


Imagine you and your classmate have to do a report on smoking. Your teacher says you can conduct your research on the internet. Information from the internet that you include in your report has to be:

·      Written by qualified authors
·      Current
·      Based on facts rather than opinions (not biased)

a)      Your classmate suggests posting a question to a social media website (such as Facebook, Twitter, etc ) as a starting point for your search.

Would a social media website be an appropriate resource as a starting point for your search?
A.
Yes, it would be an appropriate resource.
B.
No, it would not be an appropriate resource.
 

 7. 


Refer to the smoking report to answer this question.
Explain why a social media website would or would not be an appropriate resource.
 

 8. 


Here is a list of results found by searching for information on smoking:

1.      Smoking is Bad – A blog written by Joe, a plumber from Ohio, who quit smoking two years ago and has documented his experience. Last updated a month ago.
2.      Smoking and Your Health – The WebMD site created by doctors across the United States, which contains a wide range of information about smoking and health. Last updated two weeks ago.
3.      Prohibiting Smoking is Wrong – A web site created by two major tobacco companies, which argues that public smoking should not be banned. Last updated 5 years ago.

a)      For each source listed:

·      Indicate whether or not you would use the source for your report.

SourceWould you use this source?Explanation for why or why not you would use this source
1.  Smoking is Bad
¨      Yes
¨      No
 
2.  Smoking and Your Health
¨      Yes
¨      No
 
3. Prohibiting Smoking is Wrong
¨      Yes
¨      No
 

 A.
Smoking is Bad (Yes would use)
 B.
Smoking is Bad (No would not use)
 C.
Smoking and Your Health  (Yes would use)
 D.
Smoking and Your Health  (No would not use)
 E.
Prohibiting Smoking is Wrong (Yes would use)
 F.
Prohibiting Smoking is Wrong (No would not use)
 

 9. 


Carla programmed a robot to select clothes for her. The robot is able to move around the room, open and close doors, and pick up and drop objects.
mc009-1.jpg
Below is a set of instructions for the robot once the robot is inside the closet:

-Take out the top pair of pants from the left side of the third shelf down.
-Take out a T-shirt.
-Take out the hat from the top shelf that matches the outfit.
a)      Select one step in the instructions that a robot would have difficulty completing.
A.
Take out the top pair of pants from the left side of the third shelf down.
B.
Take out the hat from the top shelf that matches the outfit.
C.
Take out a T-shirt.
 

 10. 


Carla’s Closet: Explain why a robot would have difficulty completing the step you selected in (a).
 

 11. 


A school principal is working on assigning 9 students to 3 after school clubs called Club A, Club B, and Club C. Each student listed their first, second, and third choice club. Each student will join only one club. Each club can have at most 3 students.
Below are the students’ choices:

Student Name
1st choice
2nd choice
3rd choice
Ajay
A
B
C
Bella
A
B
C
Cammy
B
A
C
Diego
A
B
C
Eva
A
C
B
Gabby
C
A
B
Juan
C
B
A
Luis
A
C
B
Neil
C
A
B

a) If each student was assigned his or her 1st choice club, would this solve the problem?
 

 12. 


A school principal is working on assigning 9 students to 3 after school clubs called Club A, Club B, and Club C. Each student listed their first, second, and third choice club. Each student will join only one club. Each club can have at most 3 students.
b) Explain your answer to question (a)


c) What is the best combination for placing all nine students in one of their club of choice?

 StudentStudentStudent
Club A   
Club B   
Club C   
 

 13. 


Below is a pattern. In Step 1 of the pattern, there are 14 blocks.


nr013-1.jpg
a)      If the pattern continues repeating in the same way, how many blocks are there at Step 5?

      Blocks

 

 14. 



sa014-1.jpg

b)      Explain how you found your answer.
 

 15. 


Use the table below to convert the binary numbers into a text message by first translating the binary numbers into decimal numbers and then matching the numbers to the correct letter using the Key below. The first letter is done for you.

Key
Decimal
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O

Binary
0011
1111
0100
1001
1110
0111
Decimal
3
     
Letter
C
     

Binary Numbers Help
Text message:_
 

 16. 


You are communicating using a social media profile (e.g., on Facebook, Twitter, Instagram, Snapchat).

a)      List two pieces of personal information that are typically on a social media profile that you would not want everyone to see.

#1:_


#2:_

b)      Pick one of the pieces of information from part (a).

Information from (a):  _

1)      Describe one legal, ethical, or privacy concern of someone you don’t know accessing that information.


2)            Describe one benefit of communicating using social media instead of communicating by phone calls or text messages.


3)            Describe one drawback of communicating using social media instead of communicating by phone calls or text messages.
 

 17. 


Below are a picture and a textual description of the same scene. Compare what information you can find in these two representations.
pr017-1.jpg

The boy was reading before bedtime.
He picked his favorite story to read.
The story was about a dragon guarding the Queen’s treasure chest.
The dragon wraps his tail around the treasure chest.

Use the picture and text shown above to fill in the table below with ONE piece of information that is found:

·      In the text but NOT in the picture
·      In the picture but NOT in the text
·      In the picture AND in the text


 
Piece of information that is found
Text ONLY (In the text but NOT in the picture)
 
Picture ONLY (In the picture but NOT in the text)
 
BOTH (In the picture AND in the text)
 
 

 18. 

Fence Post Problem: 
You need to build one side of a fence that is 12 yards long.  This fence will be built with fence posts and rails that connect one fence post to another.  If each fence post is 1 yard away from the next fence post, how many fence posts will be needed for this side of the fence?  How many fence posts will be needed for a side of a fence that is N (where N > 0) yards long?

A.
13
B.
12
C.
11
D.
14
 



 
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