Computer Knowledge

Programming Languages and Compilers

2,284 Questions

Programming languages and compilers involve the rules, syntax, and semantics used to write and execute software programs. Key areas include scripting languages, object oriented concepts, and parsing algorithms like top down parsers. Practice these computer science questions to build proficiency for technical and computer knowledge exams.

Object oriented languagesScripting languagesCompilers and parsersProgramming syntax

Programming Languages and Compilers Questions

Multiple choice

Which of the following is a procedural query language that consists of a set of operations that takes one or two relations as input and produces a new relation as their result?

  1. Query language

  2. Relational algebra

  3. Tuple relational calculus

  4. DML precompiler

  5. DBA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is a procedural query language that consists of a set of operations that takes one or two relations as input and produces a new relation as their result.

Multiple choice

Which of the following is/are incorrect about C language? a. C language was developed at Bell Laboratories in 1980 by Dennis Ritchie. b. C language features were derived from earlier language called B. c. C language was invented for implementing UNIX operating system. d. C language is a object oriented programming language.

  1. a and b

  2. b and c

  3. a and d

  4. b, c and d

  5. a, b and d
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Both of statement (a) and (d) are incorrect about C language. a) C language was developed at Bell Laboratories in 1972 by Dennis Ritchie. d) C language is a structure oriented programming language.

Multiple choice

Which of the following is/are correct about C structures and unions?

  1. A structure allocates one common storage space for all its members.

  2. A union allocates storage space for all its members separately.

  3. A structure occupies lower memory space than union.

  4. We can access only one member of union at a time.

  5. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The statement is true about union. We can access only one member of union at a time because union allocates one common storage space for all its members.