GATE CSE 1995 | Lexical Analysis Question 16 | Compiler Design

GATE CSE 1995

MCQ (Single Correct Answer)

-0.3

In some programming languages, an identifier is permitted to be a letter following by any number of letters or digits. If L and D denote the sets of letters and digits respectively, which of the following expressions defines an identifier?

$${\left( {L \cup D} \right)^ + }$$

$$L{\left( {L \cup D} \right)^*}$$

$${\left( {L.D} \right)^*}$$

$$L{\left( {L.D} \right)^*}$$

GATE CSE 1990

MCQ (Single Correct Answer)

-0.3

Match the following:

List - I

(a) Lexical Analysis
(b) Code Optimization
(c) Code Generation
(d) Abelian Group

List - II

(p) DAG's
(q) Syntax trees
(r) Push Down automata
(s) Finite automata

a - s, b - p, c - q, d - r

a - r, b - p, c - q, d - s

a - s, b - q, c - p, d - r

a - s, b - p, c - r, d - q

GATE CSE 1988

MCQ (Single Correct Answer)

-0.3

In a compiler the module that checks every character of the source text is called:

The code generator

The code optimizer

The lexical analyzer

The syntax analyzer

GATE CSE Subjects

Browse all chapters by subject

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

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

Digital Logic

Boolean Algebra K Maps Combinational Circuits Number Systems 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

Function and Recursion Basic of Programming Language 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