Podcast
Questions and Answers
What is the function of the central processing unit (CPU)?
What is the function of the central processing unit (CPU)?
- Manipulating information (correct)
- Measuring speed in megahertz
- Displaying output on the console
- Storing and retrieving data
Which component of a computer is considered the brain of the system?
Which component of a computer is considered the brain of the system?
- Memory
- Input devices
- Central processing unit (CPU) (correct)
- Storage devices
What does the CPU measure in terms of speed?
What does the CPU measure in terms of speed?
- Data storage capacity
- Communication bandwidth
- Pulses per second (correct)
- Information retrieval time
Which term refers to the ability of a computer to store, retrieve, and process data?
Which term refers to the ability of a computer to store, retrieve, and process data?
What device retrieves instructions from memory and executes them?
What device retrieves instructions from memory and executes them?
What is the purpose of declaring a variable with a specific data type?
What is the purpose of declaring a variable with a specific data type?
What is the significance of initializing a variable before use?
What is the significance of initializing a variable before use?
Which statement accurately describes the concept of a variable in programming?
Which statement accurately describes the concept of a variable in programming?
What is the purpose of casting the value of one type to another type in programming?
What is the purpose of casting the value of one type to another type in programming?
What does it mean when a variable is said to be 'mutable'?
What does it mean when a variable is said to be 'mutable'?
Which of the following is not a relational operator in Java?
Which of the following is not a relational operator in Java?
What is the result of the comparison (10 >= 10) in Java?
What is the result of the comparison (10 >= 10) in Java?
Which logical operator is used to combine two conditions such that both conditions must be true for the overall expression to be true?
Which logical operator is used to combine two conditions such that both conditions must be true for the overall expression to be true?
What does the following expression evaluate to in Java: (5 < 3 && 2 > 1)?
What does the following expression evaluate to in Java: (5 < 3 && 2 > 1)?
What is the purpose of the switch statement in Java?
What is the purpose of the switch statement in Java?
