Circle TRUE or FALSE for the following statements T F An Interpreter directly ex

Question

Circle TRUE or FALSE for the following statements

T          F         An Interpreter directly executes instructions written in a high-level programming language without previously compiling them into a machine language.

T          F         Lex is a standard tool used for syntax analysis in a compiler.

T          F         Optimizing compilers only look for optimizing lines of code in a program.

T          F         Early compilers had pretty sizable coding/complexity in all phases with the exception of semantic analysis.

T          F         Tokenizing is an important step during program syntax analysis phase of a compiler.

Explanation / Answer

An interpreter directly excutes instructions wirrten in -high level programming language (such as Cand fortran )with out previously compiliing them in to a machine language . it is ture statement .because it is done by parse the source code directly .

Lex is program generator . accepts a high-level, problem oriented specification for character string matching, and produces a program in a general purpose language which recognizes regular expressions,so the gievn statement LEX is a standard tool used for the synatax analysis in a compiler is FALSE statement

Optimizing compilers are used to optimimizing the lines of code and time to the excute the program . so the given statememnt is FALSE

early compilers had pretty sizable coding/complexity in all phases with the exception of semantic analysis,so the given statement is ture .

Tokenizing is an important step during program syntax analysis phase of a compiler . is ture statement

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