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Cambridge IGCSE Information and Communication Technology practice

Paper 1 structured question: Storage devices and media

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Storage devices and media

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Paper 1Theory3 marks

Storage Devices and Media

Description

Storage Device Types

A computer user needs to choose between different storage devices: a fixed magnetic hard drive, a DVD optical disc, and a solid-state pen drive. Each device has different characteristics in terms of speed, capacity, durability, and cost.

Storage DeviceSpeedCapacityDurabilityCost
Fixed magnetic hard driveModerateHighFragile (moving parts)Low
DVD optical discSlowLowDurableVery low
Solid-state pen driveFastModerateVery durable (no moving parts)Moderate
  1. a

    Compare Compare the advantages and disadvantages of the fixed magnetic hard drive and the solid-state pen drive based on the table.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 1 structured question: Storage devices and media

Paper 1Theory4 marks

Description

Storage Media Types

A photographer is deciding between using magnetic tape drives, optical discs (DVD), or solid-state memory cards (SD) to store large volumes of photos. Consider the characteristics of each media type in terms of capacity, speed, durability, and cost.

Storage MediaCapacitySpeedDurabilityCost
Magnetic tape driveVery highSlowFragileLow
DVD optical discLowSlowDurableVery low
Solid-state memory card (SD)ModerateFastVery durableHigh
  1. a

    Explain Explain why the photographer might choose a solid-state memory card over magnetic tape or optical discs.

    Aim for approximately 4 distinct marking points.

    [4]