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Questions and Answers
What is the purpose of variables in programming?
What is the purpose of variables in programming?
- To display output on the screen
- To create loops in the program
- To perform mathematical operations
- To store multiple values in a single container (correct)
Which type of variable stores text values in Java?
Which type of variable stores text values in Java?
- float
- char (correct)
- int
- bool
What is the correct way to create a variable in Java?
What is the correct way to create a variable in Java?
- var variableName = value;
- create variableName = value;
- variableName = value;
- type variableName = value; (correct)
If you want to store a number with decimals in Java, which type of variable would you use?
If you want to store a number with decimals in Java, which type of variable would you use?
What happens when you assign a new value to an existing variable?
What happens when you assign a new value to an existing variable?
Which type of variable stores values with only two states: true or false?
Which type of variable stores values with only two states: true or false?
Which of the following is NOT a rule for naming variables in C#?
Which of the following is NOT a rule for naming variables in C#?
What keyword is used in C# to declare unchangeable and read-only variables?
What keyword is used in C# to declare unchangeable and read-only variables?
Which method is often used to display variable values to the console window in C#?
Which method is often used to display variable values to the console window in C#?
In C#, when using the + character with numeric values, it functions as a:
In C#, when using the + character with numeric values, it functions as a:
Which keyword was introduced in C# to declare method-level variables without explicitly specifying a data type?
Which keyword was introduced in C# to declare method-level variables without explicitly specifying a data type?
An identifier in C# is used to identify a class, variable, function, or namespace and must start with:
An identifier in C# is used to identify a class, variable, function, or namespace and must start with:
Which of the following is NOT a legal identifier in C#?
Which of the following is NOT a legal identifier in C#?
When declaring more than one variable of the same type in C#, what can be used to separate the variables?
When declaring more than one variable of the same type in C#, what can be used to separate the variables?
In C#, what happens if a variable is not assigned a value before using it?
In C#, what happens if a variable is not assigned a value before using it?
Which of the following cannot be used as an identifier name in C#?
Which of the following cannot be used as an identifier name in C#?
What do Information and Communications Technology cover?
What do Information and Communications Technology cover?
When did the Digital Age (Information Age) begin?
When did the Digital Age (Information Age) begin?
What does the term 'Digital Revolution' refer to?
What does the term 'Digital Revolution' refer to?
What is the main characteristic of the Information Age?
What is the main characteristic of the Information Age?
Which devices are considered parts of Information and Communications Technology (ICT)?
Which devices are considered parts of Information and Communications Technology (ICT)?
What is the historic period characterized by the rapid shift to an economy based on information technology?
What is the historic period characterized by the rapid shift to an economy based on information technology?
What is the main purpose of a computer?
What is the main purpose of a computer?
Which term is used for unprocessed characters or instructions in a computer?
Which term is used for unprocessed characters or instructions in a computer?
What component of a computer is responsible for analyzing the input data from users at high speed?
What component of a computer is responsible for analyzing the input data from users at high speed?
Which type of device is a microphone in the context of a computer system?
Which type of device is a microphone in the context of a computer system?
What is the primary function of an output device in a computer?
What is the primary function of an output device in a computer?
Which of the following is NOT considered one of the main components of a computer?
Which of the following is NOT considered one of the main components of a computer?
'Monitor' and 'Printer' are examples of which type of component in a computer system?
'Monitor' and 'Printer' are examples of which type of component in a computer system?
'RAM' is an example of a component belonging to which category in a computer system?
'RAM' is an example of a component belonging to which category in a computer system?
'Barcode reader' is an example of which type of device?
'Barcode reader' is an example of which type of device?
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