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What are the different modes in that 8255 Programmable Peripheral Interface (PPI) can operate?
- Mode 0: A, B, C simple input or output level sensitive ports
- Mode 1: A, B input or output ports with strobe control in C
- Mode 2: A is bidirectional with control/handshake in B and C
What is an I/O buffer? I/O buffer: One type of input-output requirement arises from devices which have a very high character density as disks and tapes. With these chara
A1->A2A3 A2->A3A1|b A3->A1A2|a
Q. What is span of control? Span of control tells the ratio among superiors and subordinates. Generally organizations are having two different types of spans. They are Wide Spa
Q. What do you mean by Shared Memory? In shared memory scheme more focus is on controlling parallelism instead of data parallelism. In this model numerous processes run indepen
What are the importance of Decentralization? a) Self responsibility b) Work autonomy c) Quick decisions d) Continuous involvement and e) Better control. What are the differe
International Coal Coal-fired Power Generation Compared with other fossil fuels, burning coal produces relatively large amounts of atmospheric pollutants: carbon dioxide
is the time required by a sector to reach below read/write head. Latency Time is the time needed by a sector to reach below read/write head.
What is meant by concurrent execution of database transactions in a multi user system
A relation schema R is in BCNF with respect to a set F of functional dependencies if for all functional dependencies in F+ of the form a->b, where a and b is a subset of R, at leas
What are the Rules of Timescale directive Rules - 'Timescale directive, like all compiler directives, affects all modules compiled after directive, whether in same fi
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