Compilers and System Programming

Specification gap is the gap between application domain and programming language domain.

Synatax rules govern the formation of valid statements in the source language.

Symbol table is used to store each label and its corresponding value.

These grammars impose no context requirements on derivations of reductions.

YACC is an automatic parser generator.

SPARC, stands for Scalable Processor Architecture, was invented in the labs of Sun Microsystems Inc.

Pass II of the two-pass assembler processes the intermediate representation to synthesise the target program.

Lexical analyzer acts as an interface between the source program and the compiler in the phases of the compiler.

This is the address of the origin assigned by the linker while producing a machine language program.

The data register is an extension to the accumulator. It is most useful for storing data related to the accumulator's current calculation.

Boots strapping program is most often required while starting up of a computer so as to execute software programs called operating system.

Hash table is good for doing a quick search on symbol tables.

Reference counting is a form of automatic memory management where each object has a count of the number of references to it.