COMP 1010 Lecture Notes - Lecture 2: Magnetic Storage, Hard Disk Drive, Gigabyte

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Lomoar cpsd| 987298: gigabytes 1 billion bytes. Called volatile easily be lost, temporary workspace. Processor speed and memory size: two main factors determine how fast computer performs tasks . Virtual memory: reason you can work when you run out of memory; overflow: temporarily stored swapped on hard disk, but much slower than memory. When computer slows down: clicking: computer is swapping, clicking a lot: not enough memory for what you"re doing invest in additional memory, slow and silent: cpu being strained, processor speed is limiting factor. Main memory: another name for memory: used on graphic cards, help 3d games run faster but not help with other software. Place where documents and programs are saved for long term. Non-volatile: information saved to storage indefinitely until delete it o turning off power doesn"t affect contents. Less expensive than memory: means much more storage than memory available in computer system.

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