Memory and System Performance

Stores instructions for the computer to start up

• RAM
• ROM

This part of a computer carries out instructions and calculations. 

• Hardware
• Input
• CPU
• Headphones

Is Volatile 

• DRAM
• ROM
• FlashRAM
• EEPROM

What can effect the running of the CPU?

• How much RAM there is 
• How quick the programs are 
• How big the hard drive is 
• What hardware is attached

Why is RAM temporary?

• Because it doesn't stay forever
• Because it has limited space
• Because it is non-volatile
• Because it is volatile

ROM is not generally written to

• TRUE
• FALSE

Which statement is true?

• RAM is part of the hard disk
• ROM is volatile
• RAM stores programs / data used by the CPU
• ROM contains the operating system

BIOS (Boot-up program)

• ROM
• RAM
• Cache
• Hard Disk

What is the fastest data storage in a computer?

• Registers
• RAM
• HDD
• ROM

Describe what is meant by 3MHz CPU.

• Mhz means megahertz and GHz means gigahertz.
• A CPU that can carry out approximately 3 million instructions per second.
• The law that states that the clock speed of CPUs manufactured will double every two years.
• Increase number of cores – so that it can carry out more instructions at once