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Computer Basics Notes
Question | Answer |
---|---|
What oversees everything a computer does? | The CPU |
What are the three main things that a CPU does? | Fetch, Decode, and Execute |
What are today's computers processing speed measured in, in terms of hertz? | Gigahertz (GHz) |
How mant cycles per second is a hertz? | 1 cycle per second |
What is a type of short-term memory on a computer? | RAM |
What is a type of long-term memory on a computer? | ROM |
What is BIOS? | A type of ROM that is used by the computer to establish when the computer first powers on. |
What is caching? | The storing of frequently used data in extremely fast RAM that connects directly to the CPU |
What is flash memory? | A solid state storage device. It retains data even after the computer has been turned off. |
Between a floppy disc and a flash drive, which has more memory? | A flash drive |
How many kilobytes is a one-paged, double-spaced text document? | 20 KB |
How many bytes are a terabyte? | 1,099,511,627,776 bytes |
What is the first thing loaded onto a computer? | The operating system (OS) |
What is the Motherboard? | The main circuit board to which all other internal components connect. |