Computer Systems - Secondary Storage

Why doesn't a computer system store everything in RAM?

• RAM is too expensive

• RAM has limited capacity

• RAM is not portable

• RAM is slower than secondary storage

Why doesn't ROM work for long-term storage of files?

• ROM is volatile

• ROM has limited capacity

• ROM is slower than secondary storage

• ROM cannot be written to

Which type of secondary storage is most commonly used to distribute media and software?

• Solid state

• Optical

• Magnetic

• RAM

What is the main characteristic of solid-state storage devices?

• They have no moving parts

• They use lasers to read and write data

• They store data in series as polarised dots

• They are the oldest form of storage

What does the term 'non-volatile' mean in relation to solid-state storage?

• The data is preserved even when no power is provided to the device

• The data can be easily modified

• The data is stored in a grid of circuits

• The data is read and written using lasers

Which of the following is an advantage of solid-state storage?

• Low power consumption

• High capacity

• Mechanical faults

• Loud when in use

What is a disadvantage of solid-state storage?

• Expensive cost per MB

• High capacity

• Mechanical faults

• Loud when in use

What is the read speed of solid-state storage?

• Up to 550MB per second

• Up to 100MB per second

• Up to 10MB per second

• Up to 1MB per second

Which type of secondary storage has been in use since the 1920s?

• Solid state

• Optical

• Magnetic

• RAM

What is the main characteristic of magnetic storage?

• It has no moving parts

• It uses lasers to read and write data

• It stores data in series as polarised dots

• It is the oldest form of storage