GATE CSE 2001 | Memory Management Question 61 | Operating Systems

GATE CSE 2001

MCQ (Single Correct Answer)

-0.3

Consider a virtual memory system with $$FIFO$$ page replacement policy. For an arbitrary page access pattern, increasing the number of page frames in main memory will

Always decrease the number of page faults.

Always increase the number of page faults.

Sometimes increase the number of page faults.

Never affect the number of page faults.

GATE CSE 1998

MCQ (Single Correct Answer)

-0.3

In a resident $$–OS$$ computer, which of the following systems must reside in the main memory under all situations?

Assembler

Linker

Loader

Compiler

GATE CSE 1997

MCQ (Single Correct Answer)

-0.3

Dirty bit for a page in a page table

Helps avoid unnecessary writes on a paging device

Helps maintain $$LRU$$ information

Allows only read on a page

None of the above.

GATE CSE 1997

MCQ (Single Correct Answer)

-0.3

Thrashing

Reduces page $$I/O$$

Decreases the degree of multiprogramming

Implies excessive page $$I/O$$

Improve the system performance

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Theory of Computation

Finite Automata and Regular Language Push Down Automata and Context Free Language Undecidability 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

Concepts of Layering Data Link Layer and Switching Network Layer Application Layer Protocol Routing Algorithm TCP UDP Sockets and Congestion Control Lan Technologies and Wi-Fi Network Security

Software Engineering

Compiler Design

Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization

Web Technologies

General Aptitude

Verbal Ability Logical Reasoning Numerical Ability

Discrete Mathematics

Set Theory & Algebra Linear Algebra Graph Theory Combinatorics Mathematical Logic Probability Calculus

Programming Languages

Basic of Programming Language Function and Recursion Pointer and Structure in C

Computer Organization

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