CompTIA ITF+ Practice Test 2025 – All-in-One Resource for Complete Exam Success!

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What is the function of RAM in a computer system?

To permanently store data

To temporarily store data and machine code currently being used

The function of RAM (Random Access Memory) in a computer system is to temporarily store data and machine code that is currently being used. This form of memory is crucial for a computer's operation because it allows for quick read and write access to data that the CPU needs while executing programs. Unlike permanent storage solutions, such as hard drives or solid-state drives, RAM is volatile, meaning that all data is lost when the computer is powered off.

When you run applications, the necessary data and instructions are loaded from permanent storage into RAM to allow for faster access by the processor. Consequently, the efficiency of how a computer can execute applications and respond to user commands is heavily reliant on the amount and speed of the RAM installed in the system. This is why it serves as the temporary working space for a computer's operations.

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To execute applications

To connect to external devices

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