Computer Science homework help

Question 1
1. Main memory is called ____.

read only memory

random access memory

read and write memory

random read only memory

3 points
Question 2
1. The ____ is the brain of the computer and the single most expensive piece of hardware in your personal computer.

MM

ROM

RAM

CPU

3 points
Question 3
1. The ____ carries out all arithmetic and logical operations.

IR

ALU

CU

PC

3 points
Question 4
1. The ____ holds the instruction currently being executed.

CU

IR

PC

ALU

3 points
Question 5
1. When the power is switched off, everything in ____ is lost.

main memory

secondary storage

hard disks

floppy disks

3 points
Question 6
1. ____ programs perform a specific task.

Application

System

Operating

Service

3 points
Question 7
1. The ____ monitors the overall activity of the computer and provides services.

Central Processing Unit

operating system

arithmetic logic unit

control unit

3 points
Question 8
1. Which of the following is NOT an output device?

monitor

printer

CPU

secondary storage

3 points
Question 9
1. ____ represent information with a sequence of 0s and 1s.

Analog signals

Application programs

Digital signals

System programs

3 points
Question 10
1. A sequence of eight bits is called a ____.

binary digit

byte

character

double

3 points
Question 11
1. The digit 0 or 1 is called a binary digit, or ____.

bit

bytecode

Unicode

hexcode

3 points
Question 12
1. The term GB refers to ____.

giant byte

gigabyte

group byte

great byte

3 points
Question 13
1. ____ consists of 65,536 characters.

ASCII-8

ASCII

Unicode

EBCDIC

3 points
Question 14
1. A program called a(n) ____ translates instructions written in high-level languages into machine code.

assembler

decoder

compiler

linker

3 points
Question 15
1. A program called a(n) ____ combines the object program with the programs from libraries.

assembler

decoder

linker

compiler

3 points
Question 16
1. Consider the following C++ program.

#include <iostream>
using namespace std;

int main()
{
cout << “Hello World ”
return 0;
}

In the cout statement, the missing semicolon in the code above will be caught by the ____.

compiler

editor

assembler

control unit

3 points
Question 17
1. A program that loads an executable program into main memory is called a(n) ____.

compiler

loader

linker

assembler

3 points
Question 18
1. A step-by-step problem-solving process in which a solution is arrived at in a finite amount of time is called a(n) ____.

algorithm

linker

analysis

design

3 points
Question 19
1. To develop a program to solve a problem, you start by ____.

analyzing the problem

implementing the solution in C++

designing the algorithm

entering the solution into a computer system

3 points
Question 20
1. In C++, the mechanism that allows you to combine data and operations on the data into a single unit is called a(n) ____.

object

class

function

algorithm

3 points
Question 21
1. Which of the following is a legal identifier?

program!

program_1

1program

program 1

3 points
Question 22
1. All of the following are examples of integral data types EXCEPT ____.

int

char

double

short

3 points
Question 23
1. Which of the following is a valid char value?

-129

-128

128

129

3 points
Question 24
1. The value of the expression 17 % 7 is ____.

1

2

3

4

3 points
Question 25
1. The expression static_cast<int>(9.9) evaluates to ____.

9

10

9.9

9.0

3 points
Question 26
1. The length of the string “computer science” is ____.

14

15

16

18

3 points
Question 27
1. Suppose that count is an int variable and count = 1. After the statement count++; executes, the value of count is ____.

1

2

3

4

3 points
Question 28
1. Suppose that alpha and beta are int variables. The statement alpha = –beta; is equivalent to the statement(s) ____.

alpha = 1 – beta;

alpha = beta – 1;

beta = beta – 1;
alpha = beta;

alpha = beta;
beta = beta – 1;

3 points
Question 29
1. Suppose that alpha and beta are int variables. The statement alpha = beta++; is equivalent to the statement(s) ____.

alpha = 1 + beta;

alpha = alpha + beta;

alpha = beta;
beta = beta + 1;

beta = beta + 1;
alpha = beta;

3 points
Question 30
1. Suppose that alpha and beta are int variables. The statement alpha = ++beta; is equivalent to the statement(s) ____.

beta = beta + 1;
alpha = beta;

alpha = beta;
beta = beta + 1;

alpha = alpha + beta;

alpha = beta + 1;

3 points
Question 31
1. Choose the output of the following C++ statement:
cout << “Sunny ” << ‘\n’ << “Day ” << endl;

Sunny \nDay

Sunny \nDay endl

Sunny
Day

Sunny \n
Day

3 points
Question 32
1. Which of the following is the new line character?

\r

\n

\l

\b

3 points
Question 33
1. Consider the following code.

// Insertion Point 1

using namespace std;
const float PI = 3.14;

int main()
{
//Insertion Point 2

float r = 2.0;
float area;
area = PI * r * r;

cout << “Area = ” << area <<endl;
return 0;
}
// Insertion Point 3

In this code, where does the include statement belong?

Insertion Point 1

Insertion Point 2

Insertion Point 3

Anywhere in the program

3 points
Question 34
1. ____ are executable statements that inform the user what to do.

Variables

Prompt lines

Named constants

Expressions

3 points
Question 35
1. The declaration int a, b, c; is equivalent to which of the following?

inta , b, c;

int a,b,c;

int abc;

int a b c;

3 points
Question 36
1. Suppose that sum and num are int variables and sum = 5 and num = 10. After the statement sum += num executes, ____.

sum = 0

sum = 5

sum = 10

sum = 15

3 points
Question 37
1. Suppose that alpha is an int variable and ch is a char variable and the input is:

17 A

What are the values after the following statements execute?

cin >> alpha;
cin >> ch;

alpha = 17, ch = ‘ ‘

alpha = 1, ch = 7

alpha = 17, ch = ‘A’

alpha = 17, ch = ‘a’

3 points
Question 38
1. Suppose that x is an int variable, y is a double variable, z is an int variable, and the input is:

15 76.3 14

Choose the values after the following statement executes:

cin >> x >> y >> z;

x = 15, y = 76, z = 14

x = 15, y = 76, z = 0

x = 15, y = 76.3, z = 14

x = 15.0, y = 76.3, z = 14.0

3 points
Question 39
1. Suppose that x and y are int variables, ch is a char variable, and the input is:

4 2 A 12

Choose the values of x, y, and ch after the following statement executes:

cin >> x >> ch >> y;

x = 4, ch = 2, y = 12

x = 4, ch = A, y = 12

x = 4, ch = ‘ ‘, y = 2

This statement results in input failure

3 points
Question 40
1. Suppose that ch1, ch2, and ch3 are variables of the type char and the input is:

A B
C

Choose the value of ch3 after the following statement executes:

cin >> ch1 >> ch2 >> ch3;

‘A’

‘B’

‘C’

‘\n’

3 points
Question 41
1. Suppose that ch1 and ch2 are char variables, alpha is an int variable, and the input is:

A 18

What are the values after the following statement executes?

cin.get(ch1);
cin.get(ch2);
cin >> alpha;

ch1 = ‘A’, ch2 = ‘ ‘, alpha = 18

ch1 = ‘A’, ch2 = ‘1’, alpha = 8

ch1 = ‘A’, ch2 = ‘ ‘, alpha = 1

ch1 = ‘A’, ch2 = ‘\n’, alpha = 1

3 points
Question 42
1. Suppose that ch1, ch2, and ch3 are variables of the type char and the input is:

A B
C

What is the value of ch3 after the following statements execute?

cin.get(ch1);
cin.get(ch2);
cin.get(ch3);

‘A’

‘B’

‘C’

‘\n’

3 points
Question 43
1. When you want to process only partial data, you can use the stream function ____ to discard a portion of the input.

clear

skip

delete

ignore

3 points
Question 44
1. Suppose that alpha, beta, and gamma are int variables and the input is:

100 110 120
200 210 220
300 310 320

What is the value of gamma after the following statements execute?

cin >> alpha;
cin.ignore(100, ‘\n’);
cin >> beta;
cin.ignore(100,’\n’);
cin >> gamma;

100

200

300

320

3 points
Question 45
1. Suppose that ch1 and ch2 are char variables and the input is:

WXYZ

What is the value of ch2 after the following statements execute?

cin.get(ch1);
cin.putback(ch1);
cin >> ch2;

W

X

Y

Z

3 points
Question 46
1. Suppose that ch1 and ch2 are char variables and the input is:

WXYZ

What is the value of ch2 after the following statements execute?

cin >> ch1;
ch2 = cin.peek();
cin >> ch2;

W

X

Y

Z

3 points
Question 47
1. In C++, the dot is an operator called the ____ operator.

dot access

member access

data access

member

3 points
Question 48
1. Suppose that x = 25.67, y = 356.876, and z = 7623.9674. What is the output of the following statements?

cout << fixed << showpoint;
cout << setprecision(2);
cout << x << ‘ ‘ << y << ‘ ‘ << z << endl;

25.67 356.87 7623.96

25.67 356.87 7623.97

25.67 356.88 7623.97

25.67 356.876 7623.967

3 points
Question 49
1. Suppose that x = 1565.683, y = 85.78, and z = 123.982. What is the output of the following statements?
cout << fixed << showpoint;
cout << setprecision(3) << x << ‘ ‘;
cout << setprecision(4) << y << ‘ ‘ << setprecision(2) << z << endl;

1565.683 85.8000 123.98

1565.680 85.8000 123.98

1565.683 85.7800 123.98

1565.683 85.780 123.980

3 points
Question 50
1. What is the output of the following statements?
cout << setfill(‘*’);
cout << “12345678901234567890” << endl
cout << setw(5) << “18” << setw(7) << “Happy”
<< setw(8) << “Sleepy” << endl;

12345678901234567890
***18  Happy  Sleepy

12345678901234567890
***18**Happy**Sleepy

12345678901234567890
***18**Happy  Sleepy

12345678901234567890
***18**Happy  Sleepy**

3 points
Question 51
1. What is the output of the above statements?
cout << “123456789012345678901234567890” << endl
cout << setfill(‘#’) << setw(10) << “Mickey”
<< setfill(‘ ‘) << setw(10) << “Donald”
<< setfill(‘*’) << setw(10) << “Goofy” << endl;

123456789012345678901234567890
####Mickey    Donald*****Goofy

123456789012345678901234567890
####Mickey####Donald*****Goofy

123456789012345678901234567890
####Mickey####Donald#####Goofy

23456789012345678901234567890
****Mickey####Donald#####Goofy

3 points
Question 52
1. Consider the following program segment.
ifstream inFile;        //Line 1
int x, y;              //Line 2

…                    //Line 3
inFile >> x >> y;        //Line 4

Which of the following statements at Line 3 can be used to open the file progdata.dat and input data from this file into x and y at Line 4?

inFile.open(“progdata.dat”);

inFile(open,”progdata.dat”);

open.inFile(“progdata.dat”);

open(inFile,”progdata.dat”);

3 points
Question 53
1. In a ____ control structure, the computer executes particular statements depending on some condition(s).

looping

repetition

selection

sequence

3 points
Question 54
1. What does <= mean?

less than

greater than

less than or equal to

greater than or equal to

3 points
Question 55
1. Which of the following is a relational operator?

=

==

!

&&

3 points
Question 56
1. Which of the following is the “not equal to” relational operator?

!

|

!=

&

3 points
Question 57
1. Suppose x is 5 and y is 7. Choose the value of the following expression:

(x != 7) && (x <= y)

false

true

0

null

3 points
Question 58
1. The expression in an if statement is sometimes called a(n) ____.

selection statement

action statement

decision maker

action maker

3 points
Question 59
1. What is the output of the following C++ code?
int x = 35;
int y = 45;
int z;

if (x > y)
z = x + y;
else
z = y – x;

cout << x << ” ” << y << ” ” << z << endl;

35 45 80

35 45 10

35 45 –10

35 45 0

3 points
Question 60
1. When one control statement is located within another, it is said to be ____.

blocked

compound

nested

closed

3 points
Question 61
1. What is the output of the following code?

if (6 > 8)
{
cout << ” ** ” << endl ;
cout << “****” << endl;
}
else if (9 == 4)
cout << “***” << endl;
else
cout << “*” << endl;

*

**

***

****

3 points
Question 62
1. The conditional operator ?: takes ____ arguments.

two

three

four

five

3 points
Question 63
1. What is the value of x after the following statements execute?

int x;
x = (5 <= 3 && ‘A’ < ‘F’) ? 3 : 4

2

3

4

5

3 points
Question 64
1. Assume you have three int variables: x = 2, y = 6, and z. Choose the value of z in the following expression: z = (y / x > 0) ? x : y;.

2

3

4

6

3 points
Question 65
1. What is the output of the following code?

char lastInitial = ‘S’;

switch (lastInitial)
{
case ‘A’:
cout << “section 1” <<endl;
break;
case ‘B’:
cout << “section 2” <<endl;
break;
case ‘C’:
cout << “section 3” <<endl;
break;
case ‘D’:
cout << “section 4” <<endl;
break;
default:
cout << “section 5” <<endl;
}

section 2

section 3

section 4

section 5

3 points
Question 66
1. What is the output of the following code?

char lastInitial = ‘A’;

switch (lastInitial)
{
case ‘A’:
cout << “section 1” <<endl;
break;
case ‘B’:
cout << “section 2” <<endl;
break;
case ‘C’:
cout << “section 3” <<endl;
break;
case ‘D’:
cout << “section 4” <<endl;
break;
default:
cout << “section 5” <<endl;
}

section 1

section 2

section 3

section 5

3 points
Question 67
1. What is the output of the following code fragment if the input value is 4?
int num;
int alpha = 10;
cin >> num;
switch (num)
{
case 3:
alpha++;
break;
case 4:
case 6:
alpha = alpha + 3;
case 8:
alpha = alpha + 4;
break;
default:
alpha = alpha + 5;
}
cout << alpha << endl;

13

14

17

22

3 points
Question 68
1. What is the output of the following C++ code?
int x = 55;
int y = 5;

switch (x % 7)
{
case 0:
case 1:
y++;
case 2:
case 3:
y = y + 2;
case 4:
break;
case 5:
case 6:
y = y – 3;
}
cout << y << endl;

2

5

8

10

3 points
Question 69
1. A(n) ____-controlled while loop uses a bool variable to control the loop.

counter

sentinel

flag

EOF

3 points
Question 70
1. Consider the following code. (Assume that all variables are properly declared.)

cin >> ch;

while (cin)
{
cout << ch;
cin >> ch;
}

This code is an example of a(n) ____ loop.

sentinel-controlled

flag-controlled

EOF-controlled

counter-controlled

3 points
Question 71
1. What is the next Fibonacci number in the following sequence?

1, 1, 2, 3, 5, 8, 13, 21, …

34

43

56

273

3 points
Question 72
1. Which of the following is the initial statement in the following for loop? (Assume that all variables are properly declared.)

int i;
for (i = 1; i < 20; i++)
cout << “Hello World”;
cout << “!” << endl;

i = 1;

i < 20;

i++;

cout << “Hello World”;

3 points
Question 73
1. What is the output of the following C++ code?
int j;
for (j = 10; j <= 10; j++)
cout << j << ” “;
cout << j << endl;

10

10 10

10 11

11 11

3 points
Question 74
1. Suppose sum, num, and j are int variables, and the input is 4 7 12 9 -1. What is the output of the following code?

cin >> sum;
cin >> num;
for (j = 1; j <= 3; j++)
{
cin >> num;
sum = sum + num;
}
cout << sum << endl;

24

25

41

42

3 points
Question 75
1. Suppose j, sum, and num are int variables, and the input is 26 34 61 4 -1. What is the output of the code?

sum = 0;
cin >> num;
for (int j = 1; j <= 4; j++)
{
sum = sum + num;
cin >> num;
}
cout << sum << endl;

124

125

126

127

3 points
Question 76
1. Which executes first in a do…while loop?

statement

loop condition

initial statement

update statement

3 points
Question 77
1. What is the value of x after the following statements execute?

int x = 5;
int y = 30;

do
x = x * 2;
while (x < y);

5

10

20

40

3 points
Question 78
1. What is the output of the following loop?

count = 5;
cout << ‘St’;
do
{
cout << ‘o’;
count–;
}
while (count <= 5);

St

Sto

Stop

This is an infinite loop.

3 points
Question 79
1. Which of the following loops does not have an entry condition?

EOF-controlled while loop

sentinel-controlled while loop

do…while loop

for loop

3 points
Question 80
1. Which of the following is a repetition structure in C++?

if

switch

while…do

do…while

3 points
Question 81
1. Which of the following is true about a do…while loop?

The body of the loop is executed at least once.

The logical expression controlling the loop is evaluated before the loop is entered.

The body of the loop may not execute at all.

It cannot contain a break statement.

3 points
Question 82
1. Which of the following is not a function of the break statement?

To exit early from a loop

To skip the remainder of a switch structure

To eliminate the use of certain bool variables in a loop

To ignore certain values for variables and continue with the next iteration of a loop

3 points
Question 83
1. Which executes immediately after a continue statement in a while and do-while loop?

loop-continue test

update statement

loop condition

the body of the loop

3 points
Question 84
1. When a continue statement is executed in a ____, the update statement always executes.

while loop

for loop

switch structure

do…while loop

3 points
Question 85
1. The heading of the function is also called the ____.

title

function signature

function head

function header

3 points
Question 86
1. Given the following function prototype: int test(float, char); which of the following statements is valid?

cout << test(12, &);

cout << test(“12.0”, ‘&’);

int u = test(5.0, ‘*’);

cout << test(’12’, ‘&’);

3 points
Question 87
1. A variable or expression listed in a call to a function is called the ____.

formal parameter

actual parameter

data type

type of the function

3 points
Question 88
1. A variable listed in a function call is known as a(n) ____ parameter.  A variable list in a header is known as a(n) ____ parameter.

actual; actual

formal; formal

actual; formal

formal; actual

3 points
Question 89
1. What value is returned by the following return statement?
int x = 5;

return x + 1;

0

5

6

7

3 points
Question 90
1. Given the following function
int strange(int x, int y)
{
if (x > y)
return x + y;
else
return x – y;
}

what is the output of the following statement:?

cout << strange(4, 5) << endl;

-1

1

9

20

3 points
Question 91
1. Given the following function

int next(int x)
{
return (x + 1);
}

what is the output of the following statement?

cout << next(next(5)) << endl;

5

6

7

8

3 points
Question 92
1. Given the function prototype:

float test(int, int, int);

which of the following statements is legal?

cout << test(7, test(14, 23));

cout << test(test(7, 14), 23);

cout << test(14, 23);

cout << test(7, 14, 23);

3 points
Question 93
1. Given the following function prototype: double tryMe(double, double);, which of the following statements is valid? Assume that all variables are properly declared.

cin >> tryMe(x);

cout << tryMe(2.0, 3.0);

cout << tryMe(tryMe(double, double), double);

cout << tryMe(tryMe(float, float), float);

3 points
Question 94
1. Given the function prototype: double testAlpha(int u, char v, double t); which of the following statements is legal?

cout << testAlpha(5, ‘A’, 2);

cout << testAlpha( int 5, char ‘A’, int 2);

cout << testAlpha(‘5.0’, ‘A’, ‘2.0’);

cout << testAlpha(5.0, “65”, 2.0);

3 points
Question 95
1. Which of the following function prototypes is valid?

int funcTest(int x, int y, float z){}

funcTest(int x, int y, float){};

int funcTest(int, int y, float z)

int funcTest(int, int, float);

3 points
Question 96
1. Which of the following function prototypes is valid?

int funcExp(int x, float v);

funcExp(int x, float v){};

funcExp(void);

int funcExp(x);

3 points
Question 97
1. Given the following function prototype: int myFunc(int, int); which of the following statements is valid? Assume that all variables are properly declared.

cin >> myFunc(y);

cout << myFunc(myFunc(7, 8), 15);

cin >> myFunc(‘2’, ‘3’);

cout << myFunc(myFunc(7), 15);

3 points
Question 98
1. The statement: return 8, 10; returns the value ____.

8

10

18

80

3 points
Question 99
1. The statement: return 37, y, 2 * 3; returns the value ____.

2

3

y

6

3 points
Question 100
1. The statement: return 2 * 3 + 1, 1 + 5; returns the value ____.

2

3

6

7

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Computer Science homework help

1. sDownload the attached template called “INFO620-Assignment1_LastNameFirst.doc”.
2. Change the file name applying your Last Name and First Name in place of the LastNameFirst.
3. Then open the newly saved file and enter your name and the date due on the top of the document.
4. Then enter each problem’s solution within this same file in their proper locations WITHOUT changing or erasing the questions.
5. Support your responses and answers by references from the text.
6. Review and complete all questions.
7. Then upload to Assignment #1 area of the Assignments.
8. Your grade may be reduced if these instructions are NOT followed closely.

Week 1 Assignment Grading Rubric: 

Here are the contents of Assignment #1 (however – please use the template attached  – don’t copy and paste from here):

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Computer Science homework help

Do you need a similar assignment done for you from scratch? Order now!
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Computer Science homework help

Do you need a similar assignment done for you from scratch? Order now!
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Computer Science homework help

10

WEEK 5 Assignments

Part I – p 48 Introduction

Personal

1. Shopping for Software. You are shopping for software that will assist you with your home’s interior design. The package for the program you would like to purchase states that it was designed for the most recent version of Windows, but an older version is installed on your computer. How can you determine whether the program will run on your computer?

Well, to make that program run, it sounds like all you need to do is uninstall the older version that is on your computer already and then install the newer version. As for how to determine which programs will run on your computer, you just need to see what operating system it was designed for and how much RAM it needs to run (and check to make sure your system has that much or more)

2. Bad Directions. You are driving to your friend’s house and are using your smartphone for directions. While approaching your destination, you realize that your smartphone app instructed you to turn the wrong way on your friend’s street. How could this have happened?

How could this happened?

– internet

(routing the wrong way on the

highway or down a closed road).

– wrong applications

Solutions?

Why smartphone app instructed me to turn the wrong way?

– because we as a user we need to efficently choose the right application for the right directions.

bad directions??

– we need a basic understanding

how GPS works

– before we install the apps

we should to see the rating or

feedback

3. Bank Account Postings. While reviewing your checking account balance online, you notice that debit card purchases have not posted to your account for the past several days. Because you use online banking to balance your account, you become concerned about your unknown account balance. What steps will you take to correct this situation?

You would finally create a check register. Contact online service to check a misuse of my account and update the docs

4. Trial Expired. You have been using an app on your mobile device for a30-day trial period. Now that the 30 days have expired, the app is requesting that you to pay to continue accessing your data. What are your next steps? What steps could you have taken to preserve your data before the trial period expired?

5. Problematic Camera. After charging your digital camera battery overnight, you insert the battery and turn on the camera only to find that it is reporting a low battery. Seconds later, the camera shuts off automatically. What might be wrong?

Professional

6. Discarding Old Computer Equipment. Your company has given you a new laptop to replace your current, outdated desktop. Because of the negative environmental impact of discarding the old computer in the trash, your supervisor asked you to suggest options for its disposal. How will you respond?

7. Dead Battery. While traveling for business, you realize that you forgot to bring the battery charger for your laptop. Knowing that you need to use the laptop to give a presentation tomorrow, what steps will you take tonight to make sure you have enough battery power?

8. Cannot Share Photos. You are attempting to send photos of a house for sale in an email message to your real estate partner. Each time you attempt to send the email message, you receive an automatic response stating that the files are too large. What are your next steps?

9. Incorrect Sign-In Credentials. Upon returning to the office from a well-deserved two-week vacation, you turn on your computer. When you enter your user name and password, an error message appears stating that your password is incorrect. What are your next steps?

10. Synchronization Error. You added appointments to the calendar on your computer, but these appointments are not synchronizing with your smartphone. Your calendar has synchronized with your smartphone in the past, but it has stopped working without explanation. What are your next steps?

Part II – p 100 Connection and Communication Online

Personal

1. Cyberbullying. Message While reviewing the email messages in your email account, you notice one that you interpret as cyberbullying. You do not recognize the sender of the email message, but still take it seriously. What are your next steps?

2. Unsolicited Friend Requests. You recently signed up for an account on the Facebook online social network. When you log in periodically, you find that people you do not know are requesting to be your friend. How should you respond?

3. Unexpected Search Engine. A class project requires that you conduct research on the web. After typing the web address for Google’s home page and pressing the enter key, your browser redirects you to a different search engine. What could be wrong?

4. Images Do Not Appear. When you navigate to a webpage, you notice that no images are appearing. You successfully have viewed webpages with images in the past and are not sure why images suddenly are not appearing. What steps will you take to show the images?

5. Social Media Password. Your social media password has been saved on your computer for quite some time and the browser has been signing you in automatically. After deleting your browsing history and saved information from your browser, the online social network began prompting you again for your password, which you have forgotten. What are your next steps?

Professional

6. Suspicious Website Visits. The director of your company’s information technology department sent you an email message stating that you have been spending an excessive amount of time viewing websites not related to your job. You periodically visit websites not related to work, but only on breaks, which the company allows. How does he know your web browsing habits? How will you respond to this claim?

7. Automatic Response. When you return from vacation, a colleague informs you that when she sent email messages to your email address, she would not always receive your automatic response stating that you were out of the office. Why might your email program not respond automatically to every email message received?

8. Email Message Formatting. A friend sent an email message containing a photo to your email account at work. Upon receiving the email message, the photo does not appear. You also notice that email messages never show any formatting, such as different fonts, font sizes, and font colors. What might be causing this?

9. Mobile Hot Spot Not Found. Your supervisor gave you a mobile hot spot to use while you are traveling to a conference in another state. When you attempt to connect to the hot spot with your computer, tablet, and phone, none of the devices is able to find any wireless networks. What might be the problem, and what are your next steps?

10. Sporadic Email Message Delivery. The email program on your computer has been displaying new messages only every hour, on the hour. Historically, new email messages would arrive and be displayed immediately upon being sent by the sender. Furthermore, your coworkers claim that they sometimes do not receive your email messages until hours after you send them. What might be the problem?

Part III – p 150 Computer and Mobile Devices

Personal

1. Slow Computer Performance. Your computer is running exceptionally slow. Not only does it take the operating system a long time to start, but programs also are not performing as well as they used to perform. How might you resolve this?

2. Faulty ATM. When using an ATM to deposit a check, the ATM misreads the amount of the check and credits your account the incorrect amount. What can you do to resolve this?

3. Wearable Device Not Synchronizing. Your wearable device synchronized with your smartphone this morning when you turned it on, but the two devices no longer are synchronized. What might be wrong, and what are your next steps?

4. Battery Draining Quickly. Although the battery on your smartphone is fully charged, it drains quickly. In some instances when the phone shows that the battery has 30 remaining, it shuts down immediately. What might be wrong?

5. Potential Virus Infection. While using your laptop, a message is displayed stating that your computer is infected with a virus and you should tap or click a link to download a program designed to remove the virus. How will you respond?

Professional

6. Excessive Phone Heat. While using your smartphone, you notice that throughout the day it gets extremely hot, making it difficult to hold up to your ear. What steps can you take to correct this problem?

7. Server Not Connecting. While traveling on a business trip, your phone suddenly stops synchronizing your email messages, calendar information, and contacts. Upon further investigation, you notice an error message stating that your phone is unable to connect to the server. What are your next steps?

8. Mobile Device Synchronization. When you plug your smartphone into your computer to synchronize the data, the computer does not recognize that the smartphone is connected. What might be the problem?

9. Cloud Service Provider. Your company uses a cloud service provider to back up the data on each employee’s computer. Your computer recently crashed, and you need to obtain the backup data to restore to your computer; however, you are unable to connect to the cloud service provider’s website. What are your next steps?

10. Connecting to a Projector. Your boss asked you to give a presentation to your company’s board of directors. When you enter the boardroom and attempt to connect your laptop to the projector, you realize that the cable to connect your laptop to the projector does not fit in any of the ports on your laptop. What are your next steps?

Part IV – p 204 Programs and Apps

Personal

1. Antivirus Program Not Updating. You are attempting to update your antivirus program with the latest virus definitions, but you receive an error message. What steps will you take to resolve this issue?

2. Operating System Does Not. Load Each time you turn on your computer, the operating system attempts to load for approximately 30 seconds and then the computer restarts. You have tried multiple times to turn your computer off and on, but it keeps restarting when the operating system is trying to load. What are your next steps?

3. Unwanted Programs. When you displayed a list of programs installed on your computer so that you could uninstall one, you noticed several installed programs that you do not remember installing. Why might these programs be on your computer?

4. News Not Updating. Each morning, you run an app on your smartphone to view the news for the current day. For the past week, however, you notice that the news displayed in the app is out of date. In fact, the app now is displaying news that is nearly one week old. Why might the app not be updating? What are your next steps?

5. Incompatible App. You are using your Android tablet to browse for apps in the Google Play store. You found an app you want to download, but you are unable to download it because a message states it is incompatible with your device. Why might the app be incompatible with your device?

Professional

6. Videoconference Freezes. While conducting a videoconference with colleagues around the country, the audio sporadically cuts out and the video freezes. You have attempted several times to terminate and then reestablish the connection, but the same problem continues to occur. What might be the problem?

7. License Agreement. You are planning to work from home for several days, but you are unsure of whether you are allowed to install a program you use at work on your home computer. What steps will you take to determine whether you are allowed to install the software on your home computer?

8. Low on Space. The computer in your office is running low on free space. You have attempted to remove as many files as possible, but the remaining programs and files are necessary to perform your daily job functions. What steps might you take to free enough space on the computer?

9. Unacceptable File Size. Your boss has asked you to design a new company logo using a graphics application installed on your computer. When you save the logo and send it to your boss, she responds that the file size is too large and tells you to find a way to decrease the file size. What might you do to make the image file size smaller?

10. Disc Burning Not Working. While attempting to back up some files on your computer on an optical disc, the disc burning software on your computer reports a problem and ejects the disc. When you check the contents of the disc, the files you are trying to back up are not there. What might be wrong?

Part V – p 254 Digital Security, Ethics and Privacy

1. Define the terms, digital security risk, computer crime, cybercrime, and crime ware.

2. Differentiate among hackers, crackers, script kiddies, cyber extortionists, and cyberterrorists. Identify issues with punishing cybercriminals.

3. List common types of malware. A(n) ___ is the destructive event or prank malware delivers.

4. Identify risks and safety measures when gaming.

5. Define these terms: botnet, zombie, and bot.

6. Describe the damages caused by and possible motivations behind DoS and DDoS attacks.

7. A(n) ___ allows users to bypass security controls when accessing a program, computer, or network.

8. Define the term, spoofing. How can you tell if an email is spoofed?

9. List ways to protect against Internet and network attacks.

10. Describe the purpose of an online security service.

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