Computer Systems, Input/Output & Storage
- Created by: elkamoogs xd
- Created on: 01-12-14 18:03
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Clues
- A computer system is one that can take a set of inputs, process them and create a set of outputs. This is done by a combination of hardware and software. (6, 8, 6)
- A general name for any physical part of a computer. They can be internal or external. (4, 2, 8)
- Digital Versatile Disc - Read Only Memory. Can hold around 4.7GB data (dual layer discs can hold double). Random access, can store high quality video because of large data capacity. (4, 2, 1, 3, 3)
- Flash memory. E.g. credit card, door entry card, satellite TV card etc (4, 2, 1, 5, 4)
- Non-volatile, random access. Has flash memory connected to a USB interface. Used to move files between computers. (4, 2, 1, 3, 5)
- Re-Writable. Data can be burnt onto them and erased. This means they can be re-used. (4, 3, 2, 2, 3, 3, 2)
- Removable and portable storage medium based on hard-drive. Large data capacity. Random access, used for backing-up and transferring large files. Expensive + unreliable. Never caught on and were quickly replaced. (4, 2, 1, 3, 4)
- Removable and portable storage medium. Similar to floppy disk, but larger capacity. Random access, used for back-up or transferring large files. Were a popular replacement of floppy disks, but have been replaced by CDs. (4, 2, 1, 3, 4)
- Removable, portable, cheap and low capacity storage medium. Random access, usually used to transfer small amounts of data between computers. Slow access. Been replaced by newer technology e.g. CDs. (4, 2, 1, 6, 4)
- Used in cameras, mobile phones etc. Compact, non-volatile, flash memory. E.g SD card to store images from a camera or SIM card to store phone information. (4, 2, 1, 6, 4)
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