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OCR computing exam questions EXAM QUESTIONS AND ANSWERS 100% CORRECT!!!
(2013) Explain the need for interrupts to have priorities - ANSWER To decide between interrupts and current task To choose which interrupt if 2 occur To ensure most urgent task is performed first. To ensure most efficient use of processor (2013) Describe segmentation - ANSWER A way of partitioning memory segments that are not fixed size Segments are logical divisions which complete sections the program. (2013) State the purpose of virtual memory - ANSWER To allow programs to run wh...
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OCR computing exam questions & answers
PopularOCR computing exam questions & answers (2013) Explain what is meant by an interrupt - ANSWERSInterrupt sent to the processor Request for processing time Allows important tasks to be processed (2013) State two types of interrupts - ANSWERSPower failure Software interrupt Clock interrupt (2013) Explain the need for interrupts to have priorities - ANSWERSTo decide between interrupts and current task To choose which interrupt if 2 occur To ensure most urgent task is performed ...
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