What do operating systems allow you to do? - It manages the computers memory and processes, What is RAM? - Primary memory that is volatile, What function does ROM have? - This stores the BIOS, What is volatile memory? - Is a type of storage whose contents are erased when the system's power is turned off or interrupted., What is non-volatile memory? - Is a term used to describe any memory or storage that is saved regardless if the power to the computer is on or off., What is secondary storage? - Refers to storage devices and media that provide long term storage, Why is secondary storage needed? - Therefore needed because it is non-volatile, meaning it retains its contents without the need for a power supply., CPU What does clock speed mean? - Is the rate at which a processor can complete a processing cycle., What is the CPU's main purpose? - Performs the Fetch, Decode, Execute cycle, What is meant by a 'character set'? - The letters, numbers and symbols that a computer can use, Which character set allows the largest number of different characters? - Unicode , Which memory uses space on the hard-drive? - Virtual memory, What is very fast memory in the CPU called? - Cache memory, Which type of storage device is the fastest? - SSD devices, When a storage device is easy to carry, we say it has good... - portability, Which register stores the address of the next instruction? - MAR, Each network capable device has this unique hex number - MAC Address, A network device that routes traffic around a LAN? - Switch, Ensuring entered data is sensible? - Validation, Requiring another piece of information to log-in? - 2 Factor Authorisation,

Computer Science Y10 MATCH UP Review

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