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Questions and Answers
Which statement best defines a computer?
Which statement best defines a computer?
- A mechanical device that does not require electricity.
- A device that only performs calculations.
- A type of machine that only runs software for gaming.
- An electronic device that manipulates data according to a set of instructions. (correct)
What is one key function of a computer?
What is one key function of a computer?
- To generate power for other devices.
- To serve exclusively as a gaming console.
- To work without any input from users.
- To store and retrieve information. (correct)
Which component is essential for a computer to operate?
Which component is essential for a computer to operate?
- A processor. (correct)
- A camera.
- A monitor.
- A speaker.
How does a computer typically perform tasks?
How does a computer typically perform tasks?
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Which of the following is NOT a characteristic of a computer?
Which of the following is NOT a characteristic of a computer?
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Study Notes
Defining a Computer
- A computer is an electronic device that can receive, process, and output data.
- It is a powerful tool used for a wide range of tasks, from simple calculations to complex simulations.
Key Computer Function
- A key function of a computer is to process data.
- It takes raw data as input, performs operations on it, and outputs the result.
Essential Computer Component
- The central processing unit (CPU) is essential for a computer to operate.
- This component "brain" that executes instructions and processes data.
Task Execution
- Computers typically perform tasks by following a set of instructions called a program.
- The CPU processes these instructions one step at a time, executing the tasks as defined in the program.
Computer Characteristics
- While computers are designed for accuracy and reliability, they can be susceptible to errors or malfunctions.
- Improper use, software errors, and hardware failures can all contribute to these issues.
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