What is the primary role of RAM in a computer system?

To permanently store the operating system

To hold data and instructions temporarily

To retain frequently used instructions and data

To control data flow in the CPU

How does cache memory enhance computer performance?

By increasing the speed of data access for frequently used data

By acting as a secondary storage

By controlling the boot-up sequence

Which of the following statements about ROM is true?

ROM retains the boot-up sequence

What is the purpose of virtual memory in a computer system?

To prevent system crashes when RAM is full

To increase the speed of data access

How do optical devices read data from a disc?

By using a magnetic field to detect data

By using lasers to detect changes in reflection

By using electrical circuits to control electron flow

By using a read/write arm to access data

What is a potential drawback of using cloud storage?

Susceptibility to data interception

What happens during page switching in virtual memory?

Data is transferred from the CPU to secondary storage

An inactive RAM page is moved to virtual memory to free up space

Data is permanently deleted from RAM

The operating system is loaded into RAM

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