ISDS 505 Exam 1 |Questions with 100% Correct Answers
Which of the following is NOT a valid C# identifier
Select one:
a. _order
b. a
c. this
d. a1
c. this
What is NOT considered a keyword by the C# language?
Select one:
a. catch
b. global
c. implicit
d. static
b. global
In Object-oriented programming language, the ability to create methods that act appropriately
depending on the context is called _________.
Select one:
a. inheritance
b. encapsulation
c. instance
d. polymorphism
d. polymorphism
in "using System;", what is "System" referring to?
Select one:
a. class
b. variable
c. namespace
d. method
c. namespace
Which of the following pairs is an example of a class and an object, in that order?
Select one:
a. animal and bear
b. cup and glass
c. CSUF and university
d. car and vehicle
a. animal and bear
,What is the value of the expression 3+4*2 ?
Select one:
a. 10
b. 11
c. 5
d. 14
b. 11
What is the value of 5>=3?
Select one:
a. 1
b. 0
c. false
d. true
d. true
In C#, you use the ____ data type to hold a series of characters.
Select one:
a. string
b. int
c. sbyte
d. char
a. string
Assume you have a variable declared as int var1=5; What is the value of 27%var1 ?
Select one:
a. 5
b. 2
c. 4
d. 0
b. 2
Assume that you declared a double variable called unitPrice which is used to get an item's unit price.
Which of the following will display the unit price in a currency format with 2 decimal places?
Select one:
a. Console.WriteLine(unitPrice.ToString());
b. Both Console.WriteLine(unitPrice.ToString("C")); and Console.WriteLine(unitPrice.ToString("C2"));
c. Console.WriteLine(unitPrice.ToString("C"));
d. Console.WriteLine(unitPrice.ToString("C2"));
b. Both Console.WriteLine(unitPrice.ToString("C")); and Console.WriteLine(unitPrice.ToString("C2"));
Programming languages such as C#, Java, and Visual Basic are ____________________languages.
a. machine
b. high-level
, c. low-level
d. uninterpreted
b. high-level
A program that translates high-level programs into intermediate or machine code is a(n)
_______________________ .
d. compiler
The grammar and spelling rules of a programming language constitute its _____________ .
d. syntax
Variables are _______________ .
a. named memory locations
Programs in which you create and use objects that have attributes similar to their real-world
counterparts are known as ______________ programs
object-oriented
Which of the following pairs is an example of a class and an object, in that order?
University and Yale
The technique of packaging an object's attributes into a cohesive unit that can be used as an undivided
entity is ______________ .
encapsulation
Which of the following languages is least similar to C#?
machine language
A series of characters that appears within double quotation marks is a(n) ______________
literal string
The C# method that produces a line of output on the screen and then positions the cursor on the next
line is ________________ .
WriteLine()
Which of the following is a class?
a. System
b. Console
c. void
d. WriteLine()
b. Console
In C#, a container that groups similar classes is a(n) ___________________ .
Which of the following is NOT a valid C# identifier
Select one:
a. _order
b. a
c. this
d. a1
c. this
What is NOT considered a keyword by the C# language?
Select one:
a. catch
b. global
c. implicit
d. static
b. global
In Object-oriented programming language, the ability to create methods that act appropriately
depending on the context is called _________.
Select one:
a. inheritance
b. encapsulation
c. instance
d. polymorphism
d. polymorphism
in "using System;", what is "System" referring to?
Select one:
a. class
b. variable
c. namespace
d. method
c. namespace
Which of the following pairs is an example of a class and an object, in that order?
Select one:
a. animal and bear
b. cup and glass
c. CSUF and university
d. car and vehicle
a. animal and bear
,What is the value of the expression 3+4*2 ?
Select one:
a. 10
b. 11
c. 5
d. 14
b. 11
What is the value of 5>=3?
Select one:
a. 1
b. 0
c. false
d. true
d. true
In C#, you use the ____ data type to hold a series of characters.
Select one:
a. string
b. int
c. sbyte
d. char
a. string
Assume you have a variable declared as int var1=5; What is the value of 27%var1 ?
Select one:
a. 5
b. 2
c. 4
d. 0
b. 2
Assume that you declared a double variable called unitPrice which is used to get an item's unit price.
Which of the following will display the unit price in a currency format with 2 decimal places?
Select one:
a. Console.WriteLine(unitPrice.ToString());
b. Both Console.WriteLine(unitPrice.ToString("C")); and Console.WriteLine(unitPrice.ToString("C2"));
c. Console.WriteLine(unitPrice.ToString("C"));
d. Console.WriteLine(unitPrice.ToString("C2"));
b. Both Console.WriteLine(unitPrice.ToString("C")); and Console.WriteLine(unitPrice.ToString("C2"));
Programming languages such as C#, Java, and Visual Basic are ____________________languages.
a. machine
b. high-level
, c. low-level
d. uninterpreted
b. high-level
A program that translates high-level programs into intermediate or machine code is a(n)
_______________________ .
d. compiler
The grammar and spelling rules of a programming language constitute its _____________ .
d. syntax
Variables are _______________ .
a. named memory locations
Programs in which you create and use objects that have attributes similar to their real-world
counterparts are known as ______________ programs
object-oriented
Which of the following pairs is an example of a class and an object, in that order?
University and Yale
The technique of packaging an object's attributes into a cohesive unit that can be used as an undivided
entity is ______________ .
encapsulation
Which of the following languages is least similar to C#?
machine language
A series of characters that appears within double quotation marks is a(n) ______________
literal string
The C# method that produces a line of output on the screen and then positions the cursor on the next
line is ________________ .
WriteLine()
Which of the following is a class?
a. System
b. Console
c. void
d. WriteLine()
b. Console
In C#, a container that groups similar classes is a(n) ___________________ .
