Daily Quiz Week 1

Question 1

Type a C# statement that declares variable myNum as an integer and initializes it to 3.

Note: do not include any spaces before or after your answer and only include one space between the various parts of your answer. For example the following is correct:

bool isReal = true;

while the following is incorrect:

bool isReal=true; <— the problem with this statement is the number of spaces after the bool and there is no single space before and after the equals symbol.

Answer 1

int myNum = 3;

Question 2

Type a C# statement that declares variable myTaxRate as a double and initializes it to 0.15

Note: Please abide by the space requirements in the first question

Answer 2

double myTaxRate = 0.15;

Question 3

Type a C# statement that declares variable myGPA as a double and initializes it to 3.75

Note: Please abide by the spaces requirements in the first question

Answer 3

double myGPA = 3.75;

Question 4

Type a C# statement that declares variable myAge as an integer and does not initialize it to anything.

Note: Please abide by the spaces requirements in the first question

Answer 4

int myAge;

Question 5

What is the value of variable myNum after the following C# code is executed?

int myNum = 3;
myNum = 4;

Answer 5

4

Question 6

What is the Hungarian notation for a text box?

Answer 6

txt

Question 7

What is the Hungarian notation for a label?

Answer 7

lbl

Question 8

What is the Hungarian notation for a button?

Answer 8

btn

Question 9

What should be the name of a button called Submit?

Answer 9

btnSubmit

Question 10

What should be the name of a label called Name?

Answer 10

lblName

Question 11

What should be the name of a text box called MPG?

Answer 11

txtMPG

Question 12

What should be the name of a label that displays an address?

Answer 12

lblAddress

Question 13

Type the line of code that assigns the text Hello to a label called result? Make sure to include one space before and after the equal symbol.

Answer 13

lblResult.Text = “Hello”;

Question 14

Type the line of code that assigns the words Computer Science to a label called answer? Make sure to include one space before and after the equal symbol.

Answer 14

lblAnswer.Text = “Computer Science”;

Question 15

What is the line of code that assigns the text Submit to a button called answer? Make sure to include one space before and after the equal symbol.

Answer 15

btnAnswer.Text = “Submit”;

Question 16

Type the line of code that assigns the string from a text box named txtUser to whole number variable num1

Include only one space before and after the equals symbol and user the Convert approach as demonstrated in the video lessons.

Answer 16

num1 = Convert.ToInt32(txtUser.Text);

Question 17

Type the line of code that assigns the string from a text box named txtTaxRate to real number variable realNum

Include only one space before and after the equals symbol and user the Convert approach as demonstrated in the video lessons.

Answer 17

realNum = Convert.ToDouble(txtTaxRate.Text);

Question 18

Type the line of code that concatenates the string variable firstName, to a space, to string variable lastName and then concatenate the C# command to go to the beginning of the next line. Assign the above to a string variable called output. For example, if firstName is Robert and lastName is Solis the output should be as follows with the cursor blinking at the beginning of the next line:

Robert Solis

Include only one space before and after the equals symbol and before and after the + symbol

Answer 18

output = firstName + “ “ + lastName + Environment.NewLine;

Question 19

Given that string variables name contains, Citrus College, address contains 1000 Foothill Blvd, city contains Glendora, state contains CA and zip contains 91741, type a single C# statement creates the address label as seen below. Assign the address label content to the string variable output

Citrus College
1000 Foothill Blvd
Note: do not include an Environment.NewLine statement after the address. Include only one space before and after the equals symbol and before and after the + symbol

Answer 19

output = name + Environment.NewLine + address;

Question 20

Type a single C# statement that simulates pressing the RETURN key twice to generate the output below. Assign everything to string variable output and do not use any variables.

Robert

Solis

Note: Include only one space before and after the equals symbol and before and after the + symbol

Answer 20

output = “Robert” + Environment.NewLine + Environment.NewLine + “Solis”;

Question 21

Type a single C# statement that assigns two separate strings (i.e., “Citrus” and “College”) to string variable result. The output should look like the following:

Citrus
College
Note: Include only one space before and after the equals symbol and before and after the + symbol

Answer 21

result = “Citrus” + Environment.NewLine + “College”;

Question 22

Type a single C# statement that assigns two separate strings (i.e., “Computer” and “Science”) to string variable major. The output should look like the following:

Computer
Science
Note: include only one space before and after the equals symbol and before and after the + symbol

Answer 22

major = “Computer” + Environment.NewLine + “Science”;

Question 23

Which of the following is the modulus operator?

Answer 23

%

Question 24

What is the result of variable remainder given the following C++ code fragment?

int userNum = 10;
int remainder = 5;
remainder = userNum % 2;

Answer 24

0

Question 25

What is the result of variable remainder given the following C++ code fragment?

int userNum = 15;
int remainder = 5;
remainder = userNum % 2;

Answer 25

1

Question 26

Any odd number mod 2 equals ______

Answer 26

1

Question 27

Any even number mod 2 equals ______

Answer 27

0