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Questions by Hemanth_13

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1
Minor Clarifications
OS: Which process scheduling mechanism gives the optimal average waiting time and throughput, is it SJF or SRTF? Which DISK scheduling algo gives the minimum seek time is it SSTF?
OS:Which process scheduling mechanism gives the optimal average waiting time and throughput, is it SJF or SRTF?Which DISK scheduling algo gives the minimum seek time is i...
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2
Previous gate
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3
#selfdoubt
R2(X) R2(Y) R1(X) R1(Y) W1(X) R2(X) R2(X) R2(Y) R1(X) R1(Y) W1(X) R1(X) R2(X) R2(Y) R1(X) R1(Y) W1(X) commit(t1) R2(X) Which of the above have unrepeatable read problem?
R2(X) R2(Y) R1(X) R1(Y) W1(X) R2(X)R2(X) R2(Y) R1(X) R1(Y) W1(X) R1(X)R2(X) R2(Y) R1(X) R1(Y) W1(X) commit(t1) R2(X)Which of the above have unrepeatable read problem?
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4
Clarification on Topic
In the syllabus it was said “differentiability” does this mean we have partial differentiation.??
In the syllabus it was said “differentiability” does this mean we have partial differentiation.??
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6
Self Doubt on language acceptance
$L= {WW^RX| W,X=(a+b)^+}$ My question was why can’t this be regular?? Consider below regular expression $aa(a+b)^+ + ab(a+b)^+ +ba(a+b)^+ + bb(a+b)^+$==>$(aa+ab+ba+bb)(a+b)^+$ wont this language generate all strings of L as we do for $WXW^R$
$L= {WW^RX| W,X=(a+b)^+}$ My question was why can’t this be regular??Consider below regular expression $aa(a+b)^+ + ab(a+b)^+ +ba(a+b)^+ + bb(a+b)^+$==>$(aa+ab+ba+bb)(...