Memory Flashcards
What does CPU stand for?
Central Processing Unit
What kind of cycle does a CPU use to execute programs?
CPUexecutes programs using thefetch-decode-execute cycle
Name 3 types of memory
There are several types of memory, including:registers,cache,RAMandvirtual memory.
What is virtual memory?
A section of a computer storage drive which is temporarily used as RAM. It is used when there is no more space in the RAM.
What is RAM and what happens to the data in the RAM when there is no power?
Random Access Memory (RAM): Memory that is constantly being written to and read from. It does not retain its contents without a constant supply of power, ie when a computer is turned off, everything stored in its RAM is lost.
Name devices that can store things long term
Devices such ashard drives,USB memory sticksorSD cardsare used to store files such as photos, music and software applications long term.
What will affect the overall speed of the computer?
CPU, memory andbusspeeds
What is cache?
Cacheis a small amount of memory which is a part of theCPU
What is the cache used for?
It is used to temporarily holdinstructionsand data that the CPU is likely to reuse.
What is the motherboard?
Themotherboardis a circuit board that connects theCPUto thememoryand all the other hardware. The CPU sits on the motherboard (also called the logic board).
What does the memory provide the CPU with?
Memory provides theCPU with itsinstructions.
What’s volatile memory?
Volatile memory only stores information to run programs while the computer is on.Volatile memory requires electricity to store data usingtransistorsandcapacitors.
What uses non volatile memory?
Storage and ROM
What are the types of primary data listed from the closest to the CPU?
- registers
- cache
- RAM
- virtual memory
What does it mean it you have more space on the RAM?
The more gigabytes of RAM a computer has, the more programs and operations it can handle at the same time.
