Primary Storage

What is the main difference between RAM and ROM?

• RAM is permanent; ROM is temporary

• ROM can be modified easily; RAM cannot

• RAM is volatile; ROM is non-volatile

• ROM loses data when the power is off

Which of the following best describes the purpose of RAM?

• To store startup instructions

• To hold data currently in use

• To store firmware permanently

• To store printer drivers only

Which statement about ROM is true?

• ROM is used to store user documents

• ROM contents are lost when power is turned off

• ROM is used to store operating systems

• ROM contains essential startup routines

Why is RAM called “Random Access”?

• Because data can be accessed in any order

• Because data is stored randomly

• Because it stores random files

• Because it is used for games

What happens to data in RAM when the computer is turned off?

• It is saved to ROM

• It is saved to a USB stick

• It is lost

• It is transferred to cache

Which type of RAM must be constantly refreshed?

• Static RAM

• Dynamic RAM

• Flash memory

• BIOS ROM

What does SRAM use to store each bit?

• A capacitor and transistor

• Magnetic core

• Flip-flops

• Laser etching

Which is faster for data access?

• SRAM

• DRAM

• ROM

• Flash memory

Which of the following is a characteristic of DRAM?

• It does not require refreshing

• It is faster than SRAM

• It stores data permanently

• It must be refreshed regularly

Which of these is stored in ROM?

• Current user documents

• BIOS/startup instructions

• Open files

• Background applications