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OPERATING SYSTEMAn I/O port typically consists of four registers-status, control, ______ and ______ registers. (i) system in, system out (ii) data in, data out (iii) flow in, flow out (iv) input, output20222mMICROPROCESSORSWrite short notes on: I/O Ports20227mMICROPROCESSORSThe 8051 has how many I/O ports? (i) 1 (ii) 4 (iii) 2 (iv) 520252mCOMPUTER ORGANIZATION & ARCHITECTURE(j) The DMA controller has ____ registers. (i) 4 (ii) 2 (iii) 3 (iv) 120222m
PreviousWhat is the drawback of banker's algorithm? (i) in advance processes rarely know how much resource they will need (ii) the number of processes changes as time progresses (iii) resource once available can disappear (iv) all of the mentionedNextThe address loaded into the memory address register of the memory is referred to as (i) Physical address (ii) IP address (iii) Port address (iv) Logical address
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