OCR Computer Science GCSE - Secondary Storage quickfire

Front

What does the term "volatile" mean in the context of computer memory?

Back

The contents of memory are erased on power loss.

Front

What units are used to measure the data capacity of storage devices?

Back

Bytes

Front

Which of the following words describes technology which uses lasers to store and retrieve data? Optical, Magnetic, Luminal, Solid State

Back

Optical

Front

How is data stored on a HARD DISK DRIVE?

Back

A magnetic charge is applied to sections of a spinning disc, which either attracts or repels a read head, corresponding to 1s and 0s.

Front

What advantage does FLASH memory have over magnetic storage?

Back

It's faster

Front

What shape was in the bottom right corner?

Back

red cross

Front

True or false: Optical storage is non-volatile

Back

True

Front

True or false - Solid state drives often use FLASH memory

Back

True

Front

What does EEPROM stand for?

Back

Electrically Erasable Programmable Read Only Memory