1) What is primary memory? a) An internal component which holds data and programs that are not currently in use b) An external component which holds data and programs that are currently in use c) An internal component which holds data and programs that are currently in use 2) What are the two types of primary memory? a) RAM and ROM b) Flash memory and cache memory c) Flash memory and virtual memory 3) In terms of memory, what does volatile mean? a) The memory retains its contents when the power is removed b) The memory can be overwritten c) The memory loses its contents when the power is removed 4) Which of these statements about ROM is true? a) ROM is non-volatile and can only be read from b) ROM is volatile and can only be read from c) ROM is non-volatile and can be read from and written to 5) Which of these statements about RAM is true? a) RAM is non-volatile and can only be read from b) RAM is volatile and can only be read from c) RAM is volatile and can be read from and written to 6) What is virtual memory? a) High-speed internal memory b) Secondary storage used as additional RAM c) High-speed external memory 7) Why does virtual memory hamper processor performance? a) The slow transfer rate between hard disk and ROM means the processor has to wait b) The slow transfer rate between hard disk and RAM means the processor has to wait c) The slow transfer rate between cache memory and RAM means the processor has to wait 8) What is cache memory used for? a) Temporarily holding frequently used data and instructions b) Extending the available RAM c) Extending the available ROM 9) What is special about flash memory? a) It is non-volatile and cannot be written to b) It is non-volatile and can be written to c) It is volatile and can be written to 10) What is flash memory used for? a) Extending the available ROM b) Temporarily holding frequently used data and instructions c) Secondary storage

Memory - OCR exam questions

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