Primary, Cache & Flash Memory

What does RAM stand for?

• Random Access Memory
• Random Accumulator Memory
• Register Access Memory 
• Reloaded Access Memory

What is the main purpose of RAM?

• To store calculations only
• To store the boot program
• To store any programs and data currently in use
• To store programs and data while the computer is switched off

What is the main purpose of ROM?

• To read information
• To store programs and data currently in use
• To store programs and data
• To store the boot program

What does the term volatile mean in relation to memory?

• All content is stored even when power is switched off
• There is a danger of fire
• All content is lost when power is switched off.
• All information and programs are permanently stored

What is the purpose of the boot program?

• To load Microsoft Office
• To perform some basic checks and get the computer started
• To switch the computer off
• To create install programs

Can the contents in ROM be changed?

• Not normally but can be changed through a process called 'flashing'
• Yes
• The content are always changing as they are used by the CPU

What size does ROM normally come in?

• Quite large usually around 6 - 8 GB
• ROM size is small normally around 1 or 2 MB

When is virtual memory used?

• When work needs to be saved to the hard drive
• When there is not enough space left in the RAM
• When there is not enough space in ROM 
• When the computer needs access to faster memory

What is a drawback of using virtual memory?

• It is very fast memory
• It can permanently store programs 
• It slows the computer down significantly
• It speed the computer up

What is thrashing?

• This is when the memory breaks down
• This is when the operating system is loaded
• This is when some basic checks are carried out
• This is when the CPU is having to constantly swap data between the RAM and hard drive