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1
GATE CSE 1997
MCQ (Single Correct Answer)
+2
-0.6
A priority queue Q is used to implement a stack that stores characters. PUSH (C) is implemented INSERT (Q, C, K) where K is an appropriate integer key chosen by the implementation. POP is implemented as DELETEMIN(Q). For a sequence of operations, the keys chosen are in
A
non-increasing order
B
non-decreasing order
C
strictly increasing order
D
strictly decreasing order
2
GATE CSE 1995
MCQ (Single Correct Answer)
+2
-0.6
The postfix expression for the infix expression A + B * (C + D) / F + D * E is:
A
AB + CD + *F/D + E*
B
ABCD + *F/+DE*+
C
A *B + CD/F *DE++
D
A + *BCD/F* DE++
3
GATE CSE 1994
MCQ (Single Correct Answer)
+2
-0.6
Which of the following permutations can be obtained in the output (in the same order) using a stack assuming that the input is the sequence 1, 2, 3, 4, 5 in that order?
A
3, 4, 5, 1, 2
B
3, 4, 5, 2, 1
C
1, 5, 2, 3, 4
D
5, 4, 3, 1, 2
4
GATE CSE 1991
MCQ (Single Correct Answer)
+2
-0.6
The following sequence of operations is performed on stack: PUSH (10),PUSH (20),POP,PUSH (10),PUSH (20),POP,POP,POP,PUSH (20),POP The sequence of the value popped out is:
A
20,10,20,10,20
B
20,20,10,10,20
C
10,20,20,10,20
D
20,20,10,20,10
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GATE CSE Subjects
Discrete Mathematics
Graph Theory Set Theory & Algebra Combinatorics Mathematical Logic Probability Linear Algebra Calculus
Programming Languages
Basic of Programming Language Function and Recursion Pointer and Structure in C
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
Digital Logic
K Maps Boolean Algebra Combinational Circuits Number Systems Sequential Circuits
Computer Organization
Computer Arithmetic Memory Interfacing Machine Instructions and Addressing Modes IO Interface Pipelining Alu Data Path and Control Unit Secondary Memory
Database Management System
Er Diagrams Functional Dependencies and Normalization Structured Query Language Relational Algebra Transactions and Concurrency File Structures and Indexing
Data Structures
Trees Hashing Arrays Linked List Graphs Stacks and Queues
Computer Networks
Concepts of Layering Lan Technologies and Wi-Fi Data Link Layer and Switching Network Layer Routing Algorithm TCP UDP Sockets and Congestion Control Application Layer Protocol Network Security
Algorithms
Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method P and NP Concepts Dynamic Programming
Compiler Design
Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization
Software Engineering
Software Engineering
Web Technologies
Web Technologies
General Aptitude
Numerical Ability Verbal Ability
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