Flashcards
1.3 Storage
Flashcards do conjunto (16)
- 1What type of storage uses a laser to read and write information?Optical
- 2Which type of storage uses magnets to read and write dataMagnetic
- 3Which type of storage uses silicone switches to store dataSolid State
- 4Which storage device is suitable for taking homework to schoolUSB thumb drive
- 5Which storage device is suitable for storing large amounts of data in a desktop PCHard Disk Drive
- 6Give a disadvantage of Solid State Drives1. High Cost
2. Lower capacity than HDDs - 7Give an advantage of Solid State Drives1. Fast read and write speeds
2. Reliable - 8Give a disadvantage of magnetic Storage1. Not very Durable
2. Not very Portable - 9Give an Advantage of magnetic storage1. Relativly low cost
2. Large Capacity - 10Give a disadvantagte of optical storage1. Low Capacity
2. Easy to Damage - 11Give an advantage of optical storage1. Low Cost
2. Very portable - 12What is the difference between a CD-ROM and a CD-RW?CD-ROM can only be written on once
CD-RW can be rewritten multiple times - 13How do you calculate the amount of storage needed for a database?1. How many bytes in one record (Every field added together)
2. Multiply by the number of records that are going to be stored
3. Add the 10% overhead - 14How many gigabytes in a Terabyte1024 however 1000 can be used for some calculations
- 15What is the smallest size of databit
- 16Why do we add 10% to any data size calculationFor overheads such as File Type, resoloyution or metadata
Informações
- Descrição
- Revision FlashCards sobre 1.3 Storage, criado por Jay Biddle em 23-11-2018.
- Criado por
- Jay Biddle
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