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Questions and Answers
What is the primary function of the CPU in a computer system?
What is the primary function of the CPU in a computer system?
- To store data and applications permanently
- To manage communication between input/output devices
- To enhance the graphical performance of software
- To execute instructions and process data (correct)
Which component is primarily responsible for temporary data storage while a computer is in use?
Which component is primarily responsible for temporary data storage while a computer is in use?
- ROM (Read-Only Memory)
- RAM (Random Access Memory) (correct)
- Hard disk drive
- Cache memory
Which of the following is not considered an input device?
Which of the following is not considered an input device?
- Keyboard
- Mouse
- Printer (correct)
- Scanner
What distinguishes volatile memory from non-volatile memory in a computer system?
What distinguishes volatile memory from non-volatile memory in a computer system?
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What role do input/output devices play in a computer system?
What role do input/output devices play in a computer system?
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Study Notes
CPU Function
- The CPU (Central Processing Unit) is the brain of the computer.
- It's responsible for executing instructions and processing data.
- It performs arithmetic, logical, and control operations.
Temporary Data Storage
- RAM (Random Access Memory) is the main component responsible for temporary data storage.
- Data held in RAM is lost when the computer is turned off.
Input Devices
- Input devices allow users to interact with the computer.
- Examples include keyboards, mice, scanners, and microphones.
- Output devices are not considered input devices.
Volatile vs Non-Volatile Memory
- Volatile memory requires power to retain data.
- RAM is an example of volatile memory.
- Non-volatile memory retains data even when the power is off.
- Hard drives, SSDs, and flash drives are examples of non-volatile memory.
Input/Output Devices
- Input/Output (I/O) devices facilitate communication between the computer and the external world.
- Input devices allow users to enter data into the computer, such as through keyboard entries or scanner scans.
- Output devices display information from the computer, such as monitors or printers.
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