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1
GATE CSE 2008
MCQ (Single Correct Answer)
+2
-0.6
The subset-sum problem is defined as follows:
Given a set S of n positive integers and a positive integer W, determine whether there is a subset of S Whose elements sum to W. An algorithm Q solves this problem in O(nW) time. Which of the following statements is false?
A
Q solves the subset-sum problem in polynomial time when the input is encoded in unary
B
Q solves the subset-sum problem in polynomial time when the input is encoded in binary
C
The subset sum problem belongs to the class NP
D
The subset sum problem is NP-hard
2
GATE CSE 2006
MCQ (Single Correct Answer)
+2
-0.6
Let SHAM3 be the problem of finding a Hamiltonian cycle in a graph G = (V, E) with |V| divisible by 3 and DHAM3 be the problem of determining if a Hamiltonian cycle exists in such graphs. Which one of the following is true?
A
Both DHAM3 and SHAM3 are NP-hard
B
SHAM3 is NP-hard, but DHAM3 is not
C
DHAM3 is NP-hard, but SHAM3 is not
D
Neither DHAM3 nor SHAM3 is NP-hard
3
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider three decision problems P1, P2 and P3. It is known that P1 is decidable and P2 is undecidable. Which one of the following is TRUE?
A
P3 is decidable if P1 is reducible to P3
B
P3 is undecidable if P3 is reducible to P2
C
P3 is undecidable if P2 is reducible to P3
D
P3 is decidable if P3 is reducible to P2 's complement
4
GATE CSE 1992
MCQ (Single Correct Answer)
+2
-0.6
Which of the following problems is not NP-hard?
A
Hamiltonian circuit problem
B
The 0/1 Knapsack problem
C
Finding bi-connected components of a graph
D
The graph coloring problem
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GATE CSE Subjects
Theory of Computation
Undecidability Finite Automata and Regular Language Push Down Automata and Context Free Language Recursively Enumerable Language and Turing Machine
Operating Systems
Process Concepts and Cpu Scheduling Synchronization and Concurrency Deadlocks Memory Management File System IO and Protection
Algorithms
Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method Dynamic Programming P and NP Concepts
Digital Logic
Number Systems Boolean Algebra K Maps Combinational Circuits Sequential Circuits
Database Management System
Er Diagrams Functional Dependencies and Normalization Structured Query Language Relational Algebra Transactions and Concurrency File Structures and Indexing
Data Structures
Arrays Stacks and Queues Linked List Trees Graphs Hashing
Computer Networks
Network Security Data Link Layer and Switching Application Layer Protocol Network Layer Routing Algorithm Concepts of Layering Lan Technologies and Wi-Fi TCP UDP Sockets and Congestion Control
Software Engineering
Software Engineering
Compiler Design
Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization
Web Technologies
Web Technologies
General Aptitude
Numerical Ability Logical Reasoning Verbal Ability
Discrete Mathematics
Mathematical Logic Probability Set Theory & Algebra Combinatorics Linear Algebra Graph Theory Calculus
Programming Languages
Basic of Programming Language Function and Recursion Pointer and Structure in C
Computer Organization
Computer Arithmetic Memory Interfacing Machine Instructions and Addressing Modes IO Interface Pipelining Alu Data Path and Control Unit Secondary Memory
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