DVD, CD, Hard Disk, Magnetic Tape, and Flash Memory
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What is a hard disk?
The main storage device in the computer.
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What is flash memory
It is a non-volatile, solid state storage methodthat can be electrically erased and reprogrammed
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What is a DVD?
They are one of the most common methods of copying and backing up data in the home. They are an optical device and a laser is used to store and read the data.
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What is a CD?
A compact disk. It is an optical storage devices. A laser is used to store the data and read the data
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What is a magnetic tape?
magnetic tape is an external storage A storage device that can be used for making copies of audio, video, and data.
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What is an advantage and disadvantage of a hard disk?
A. Data is not lost when you switch off the computer. D. The disk is fixed inside the computer and can't be easily transferred to another computer.
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What is an advantage and disadvantage of flash memory?
A. Very fast access to data and programmes. D. It has a limited number of read/write cycles that limit its useful lifespan
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What is an advantage and disadvantage of a DVD?
A. Very large storage capacities. D. DVDs don't work in CD drives
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What is an advantage and disadvantage of a CD?
A. Small and portable. D. Easy to sratch
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What is an advantage and disadvantage of a magnetic tape?
A. Cheapest form of storage per megabyte of storage. D. The user would need a special type of equipment to record and read the data on this tape
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Other cards in this set
Card 2
Front
What are some of the factors that effect how data can be stored?
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