how does a virus infect the system
Answer Posted / baljit
virus is stand for vital information resource underseige.it
is a programs ,the function of virus is making a
unauthorized accesses,corrupt data,replicatuions of files
and slow pc performance.
thank u
| Is This Answer Correct ? | 32 Yes | 6 No |
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What are the four necessary and sufficient conditions behind the deadlock?
Measurements of a certain system have shown that the
average process runs for a time T before blocking
on I/O. A process switch requires a time S, which is
effectively wasted (overhead). The CPU’s efficiency is
the fraction of its time its spends executing user
programs, i.e., executing user processes. For round robin
scheduling with quantum Q, give a formula for the CPU
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(a) Q = ∞
(b) Q > S + T
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