GATE CSE 2002 | Synchronization and Concurrency Question 19 | Operating Systems

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GATE CSE 2002

MCQ (Single Correct Answer)

-0.3

Which of the following scheduling algorithms is non-preemptive?

Round Robin

First-In-First-Out

Multilevel Queue Scheduling

Multilevel Queue Scheduling with feedback

GATE CSE 2001

MCQ (Single Correct Answer)

-0.3

Where does the swap space reside?

RAM

Disk

ROM

On-chip cache

GATE CSE 2001

MCQ (Single Correct Answer)

-0.3

Suppose a processor does not have any stack pointer register. Which of the following statements is true?

It cannot have subroutine call instruction

It can have subroutine call instruction, but no nested subroutine calls

Nested subroutine calls are possible, but interrupts are not

All sequences of subroutine call and also interrupts are possible

GATE CSE 2000

MCQ (Single Correct Answer)

-0.3

Let m[0] ..m[4] be mutexes (binary semaphores) and P[0] ...P[4] be processes. Suppose each process P[i] executes the following:

wait (m[i]); wait (m(m[(i+1) mod 4]))0;
.......
release (m[i]); release (m[(i+1) mod 4]);

This could cause

Thrashing

Deadlock

Starvation, but not the deadlock

None of the above

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GATE CSE Subjects

Theory of Computation

Finite Automata and Regular Language Push Down Automata and Context Free Language Recursively Enumerable Language and Turing Machine Undecidability

Operating Systems

Process Concepts and Cpu Scheduling Synchronization and Concurrency File System IO and Protection Deadlocks Memory Management

Algorithms

Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method P and NP Concepts Dynamic Programming

Digital Logic

Number Systems Boolean Algebra K Maps Combinational Circuits Sequential Circuits

Database Management System

Structured Query Language Transactions and Concurrency Functional Dependencies and Normalization Relational Algebra File Structures and Indexing Er Diagrams

Data Structures

Trees Hashing Arrays Linked List Graphs Stacks and Queues

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

Compiler Design

Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization

Web Technologies

General Aptitude

Numerical Ability 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 Pipelining Machine Instructions and Addressing Modes Alu Data Path and Control Unit IO Interface Secondary Memory