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_ Researchers are developing braincomputer interfaces to enable
severely handicapped people to control appliances with their thoughts
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Name the one trait the Phase 1 (60s' and 70s') hackers did not exhibit from
the below choices:
Select one:
a. Sought intellectual knowledge
b. Enjoy details of programmable systems
c. Un
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_ The CDA, COPA, and CIPA have all been found to be unconstitutional.
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_ Researchers are developing braincomputer interfaces to enable
severely handicapped people to control appliances with their thoughts
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Chp3
Q1.What are three types of "speech" that are not protected by the
First Amendment? List them
1Communications Decency Act of 1996 (CDA)
2Upheld in court
3Child Online Protection Act of 1998 (COPA)
Q2. What are two things bulk mailers need to do in
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The writer of the book brings out several interesting aspects related to
Programmers to be hired globally and Kant's principle of means and ends,
some of which are produced below, which
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The Privacy Act of 1974 established rules to regulate
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a.
private sector databases only
b.
all databases that contain personal information
c.
all personal information, inclu
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When a person visits a Web site, his or her IP address and the links he or she
clicked on are automatically recorded. This is an example of
Select one:
a.
secondary use
b.
invisible i
Mohammed Mahmoud El Sayed
201310917
Section: 4
Assignment No. 2
Are you with or against using Animals in Laboratory testing
(Scientific Experiments)? Draw a circle on your answer that you
will chose from below and put your comments as requested:
1 YES (W
Ir Example1 Let
f{x}=l+u’x—2 and 3(1):.I—3
Find the domainsandfonnulas forthe functions 3" +3, f—g. fg. ffgmnd'ff.
Solution. First, we will ﬁnd the formulas and then the domains. The formulas are
tf+gitxi =ftxi+gtxi =tl +vx—1}+tI—3} =1 —2+~'I—2 {2]
tf—git
AJMAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
COLLEGE OF INFORMATION TECHNOLOGY
Discrete structure
First Exam
Name:
ID No:
Q1. Prove that if n is a positive integer, then n is even if and only if 5n+2 is even.
Solution:
a) n is even 5n + 2 is even
n = 2k
5n
AJMAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
COLLEGE OF INFORMATION TECHNOLOGY
Discrete structure
Midterm Exam
Q1. Use mathematical induction. to show that
(
)
(
)
(
)(
)
(
)
(
)(
)
whenever n is a nonnegative integer.
Solution
P(0):
LHS= 0+1=1
RHS= 1
There
AJMAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
COLLEGE OF INFORMATION TECHNOLOGY
Discrete structure
Midterm Exam
Name:
ID No:
Q1. Use mathematical induction to prove that the following statement is true for every
positive integer.
4 + 10 +16 + . + (6n2) = n(
315102 Algorithms and Problem Solving
Chapter 3  Exercises
Ajman University of Science & Technology
College of Information Technology
Exercises related to Chapter 3 with their solutions
Problem 1: Write a Java program that displays the following message:
Ajman University of Science and Technology
Faculty of Information Technology
Discrete Mathematics 315202
First Exam
Q1) Let P(x) be the statement x can speaks English and Q(x) be the statement x
knows JAVA computer programming language. Express each of th
DISCRETE STRUCTURE
QUIZ 4
2011/1
Name.ID
Q1. Consider the following relations on cfw_1, 2, 3.
R = cfw_(1, 1), (1, 3), (2, 2), (3, 1)
(a) Which of these relations are reflexive? Justify your answers.
(b) Which of these relations are symmetric? Justify your
315102 Algorithms and Problem Solving
Chapter 2  Exercises
Ajman University of Science & Technology
College of Information Technology
Exercises related to Chapter 2 with their solutions
Part I
Problem 1: Write an algorithm that reads three numbers and fi
Discrete Structure
First Exam
Q1) Let P(x) be the statement x can speaks English and Q(x) be the statement x knows
JAVA computer programming language. Express each of these sentences in terms of P(x)
and Q(x), quantifiers and logical connectives. The doma
Ajman University of Science and Technology
Faculty of Information Technology
Discrete Structure
First Exam
Name
ID No:
Q1. Draw the truth table of (p q) (p q) .
Solution:
p
q
pq
p q
(p q) (p q)
F
F
F
F
T
F
T
T
F
F
T
F
T
F
F
T
T
T
T
T
Q2. What are the conv
Chapter 6  UserDefined
Methods
Valuereturning methods
Used in expressions
Calculate and return a value
Can save value for later calculation or print value
modifiers: public, private, protected, static,
abstract, final
returnType: type of the value t
Chapter 5  Using PreBuilt
Methods
The API Library
API Headings
Math Class
Wrapper Classes for Primitive Types
Lottery Example
String Methods:
substring
indexOf
lastIndexOf
1
The API Library
Some classes are considered to be so important
that the Java co
Chapter 7 Arrays
1
2
Array Basics
An array stores a group of related data, but an array
does not store methods.
Here's a picture of an array that holds a list of phone
numbers. Each of the five boxes is called an array element
and each box stores one phon
Ajman University of Science and Technology
Network
Institute of Environment, Water and Energy
Environmental Sciences
Resources
NETWORK
First Semester 2009  2010
Resources
Lecture Five
NETWORK
Resources
I. Air, Water and Soil Resources
A. Air Resources
B.