GATE CSE 1998 | Synchronization and Concurrency Question 30 | Operating Systems

GATE CSE 1998

MCQ (Single Correct Answer)

-0.3

A counting semaphore was initialized to 10. Then 6 P (wait) operations and 4 V (signal) operations were completed on this semaphore. The resulting value of the semaphore

GATE CSE 1996

MCQ (Single Correct Answer)

-0.3

A critical section is a program segment

Which should run in certain specified amount of time

Which avoids deadlocks

Where shared resources are accessed

Which must be enclosed by a pair of semaphore operations, P and V

GATE CSE Subjects

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

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 File System IO and Protection Deadlocks Memory Management

Digital Logic

Number Systems Boolean Algebra K Maps Combinational Circuits Sequential Circuits

Computer Organization

Computer Arithmetic Memory Interfacing Pipelining Machine Instructions and Addressing Modes Alu Data Path and Control Unit IO Interface 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

Arrays Stacks and Queues Linked List Trees Graphs Hashing

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

Web Technologies

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability