MEMORY

What's the difference between ROM and RAM?

• ROM: Read Only Memory, RAM: Random Access Memory
• There is more RAM than ROM
• ROM is used for the boot up sequence, RAM is for current program instructions

What can happen if virtual memory is used too much?

• Thrashing
• Bashing
• Too much energy is used
• Inefficiency

What is true about cache memory?

• It stands for Cake, Apple pie, Cookies, Hot chocolate and Eclairs
• It is slow
• It helps to increase performance
• It is very fast, but expensive

What are some capacities of memory (in order!)?

• Nibble, bits, bytes, kilobytes, megabytes, gigabytes, terabytes
• 1024 bytes in every kilobyte
• Nibbles, bits, bytes, megabytes, kilobytes, gigabytes, terabytes

What is flash memory?

• Non-volatile memory, such as DVDs and CDs
• Volatile memory in the CPU
• It is optical which means there are moving parts 
• It means when the power cuts off it doesn't remember the content 

what are the future developments in memory technology?

• Physical Size & Capacity 
• Speed Power
• Speed
• All of them

what does a RAM contain?

• The BIOS
• Programs currently in use 
• documents
• fetch decode and execute cycle