UGC NET PAPER 2 COMPUTER SCIENCE – SET 30
Period: JUNE 2013
581. Big-O estimates for (n log n+n²)(n³+2) & (n!+2ⁿ)/(n³+log(n²+1)) are
Discrete Structures and Optimization • Asymptotic analysis • JUNE 2013
582. How many different Boolean functions of degree 4 are there?
Discrete Structures and Optimization • Boolean algebra • JUNE 2013
583. Test has 100 T/F questions; answers may be blank also. How many ways to answer?
Discrete Structures and Optimization • Counting • JUNE 2013
584. Which connected simple graph has exactly one spanning tree?
Discrete Structures and Optimization • Graph theory • JUNE 2013
585. How many edges must be removed to form a spanning forest with N vertices, M edges, C components?
Discrete Structures and Optimization • Graph theory • JUNE 2013
586. A vertex cover of G(V,E) is a subset V₁⊆V such that for every (u,v)∈E
Discrete Structures and Optimization • Graph theory • JUNE 2013
587. Conversion ∃u∀v∀x∃y P→Q to ∀v∀x(P(f(a),v,x,g(v,x))→Q(a,v,g(v,x))) is called
Discrete Structures and Optimization • Logic • JUNE 2013
588. Truth values of ∃!x P(x)→∃x P(x) and ∃!x ¬P(x)→¬∀x P(x) are
Discrete Structures and Optimization • Predicate logic • JUNE 2013
589. Compound proposition true exactly when two of p,q,r are true is
Discrete Structures and Optimization • Propositional logic • JUNE 2013
590. Relation “divides” on positive integers is
Discrete Structures and Optimization • Relations • JUNE 2013
591. In the simplex method, if Δⱼ=0 for a nonbasic variable, the solution is
Discrete Structures and Optimization • Simplex method • JUNE 2013
592. A BFS to m×n transportation problem is degenerate if positive allocations < m+n–1.
Discrete Structures and Optimization • Transportation problem • JUNE 2013
593. Transportation problem cost by Vogel’s method on matrix (given) is
Discrete Structures and Optimization • Transportation problem • JUNE 2013
594. Processors P₁…P_k execute in parallel iff Bernstein’s conditions hold pairwise: which?
Operating System • Concurrency • JUNE 2013
595. With semaphores S=Q=1, P1 does wait(S),wait(Q); P2 does wait(Q),wait(S); then signals—this can cause
Operating System • Concurrency • JUNE 2013
596. User–kernel switch time T₁ vs. process–process switch T₂: which is larger?
Operating System • Context Switching • JUNE 2013
597. Processes A,B,C,D arrive at 0,1,2,3 with CPU 8,4,9,5 and RR quantum=4 ms. Average turnaround is
Operating System • CPU Scheduling • JUNE 2013
598. Ten identical resources; P1,P2,P3 max(4,5,8); allocated state1=(2,3,4); state2=(0,2,4). State1/2 are
Operating System • Deadlock Avoidance • JUNE 2013
599. For FCFS disk queue [98,37,14,124,65,67] starting at 32, total head moves =
Operating System • Disk scheduling • JUNE 2013
600. The mv command changes
Operating System • File systems • JUNE 2013
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This quiz is for educational purposes only…